Auction 24 September 2020 GEMS 3rd edition

Lot n° 0

Lot of natural royal blue to dark...

Lot of natural royal blue to dark blue sapphires of a total of 31.37 ct. oval shape in different sizes. Good light transmission in about one third of the batch. Areas of green color that may indicate a presumed Australian origin. Swiss Minex seal. Certificate...

Result : Not available / Estimate : Subscribers only

Lot n° 0

Set of natural royal blue to dark...

Set of natural royal blue to dark blue sapphires on paper with a total of 31.2 ct. in oval shape and different sizes. Some beautiful lines and colour areas with 120° angles. Lengths: from 4.55 to 9.15 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 0

Cushion cut ruby recta ngular of...

Cushion cut ruby recta ngular of a beautiful raspberry color of 2,65 ct. Probably glass field treatment. Blows on the pavilion and scratches on the roundel. Dimensions: 9.52 x 6.91 x 4.45 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 0

A batch of oval natural royal blue...

A batch of oval natural royal blue to dark blue sapphires of a total of 31.31 ct. with areas of greenish colour that may indicate an Australian origin. Some stones have a beautiful brilliance. Swiss Minex seal. Certificate of authenticity dated March...

Result : Not available / Estimate : Subscribers only

Lot n° 0

Nice lot of natural royal blue...

Nice lot of natural royal blue to dark blue sapphires in oval shape in different sizes for a total of 31.65 ct. Very fine colour areas. Swiss Minex seal. Certificate of authenticity made in Geneva and dated March 1, 1980.

Result : Not available / Estimate : Subscribers only

Lot n° 0

A batch of oval royal blue to dark...

A batch of oval royal blue to dark blue sapphires of a total of 31.26 ct. with stones of homogeneous colour with colour zones and angles indicating the natural character of sapphires. Different sizes and depths. Swiss Minex seal. Certificate of authenticity...

Result : Not available / Estimate : Subscribers only

Lot n° 1

Lot composed of ten stones including...

Lot composed of ten stones including two green doublets and an oval amethyst of 5.33 ct. Grisings. Total weight: 15.83 ct

Result : Not available / Estimate : Subscribers only

Lot n° 2

Very pure 31.62 ct. oval blue topaz....

Very pure 31.62 ct. oval blue topaz. Cut briolette type pavilion. Dimensions: 24.86 x 15.54 x 9.30 mm

Result : Not available / Estimate : Subscribers only

Lot n° 3

Set of three oval aquamarines,...

Set of three oval aquamarines, two of which are pale blue of 3.85 and 2.79 ct. and one Santa Maria type blue of 9.94 ct. Dimensions: 11.81 x 8.00 x 4.67 mm. 13.29 x 9.30 x 4.80 mm. 17.58 x 11.49 x 7.79 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 4

Set of three transparent beryls,...

Set of three transparent beryls, one 18 ct. round, one 11.01 ct. rectangular with cut-off sides and one 23.38 ct. scissors-cut square with briolet-shaped pavilion. Dimensions of the square: 16.84 x 16.60 x 10.38 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 5

Lot consisting of two brown danburites,...

Lot consisting of two brown danburites, one rectangular with cut-off sides of 14.16 ct. and the other square of 27.54 ct. and a rectangular sphene of 6.89 ct. Dimensions of the sphene: 12.69 x 8.96 x 5.84 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 6

Lot consisting of three yellow...

Lot consisting of three yellow stones including one heliodore, one danburite and one sphene. Total weight: 26.75 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 7

Set of twelve various natural and...

Set of twelve various natural and synthetic stones including an oval scapolite of 27.06 ct. Dimensions scapolite: 27 x 16.9 x 9.4 mm Total weight: 78.09 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 8

Lot composed of fourteen various...

Lot composed of fourteen various natural and synthetic stones including four 10.84 ct. amethyst cabochons and five 23.34 ct. garnet cabochons. Total weight: 68.93 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 9

Lot composed of beryl and mainly...

Lot composed of beryl and mainly aquamarines of round, pear, oval, awning, rectangular shapes for a total of 13,79 ct. Beautiful saturated blue colour for a good number of aquamarines.

Result : Not available / Estimate : Subscribers only

Lot n° 10

Two faceted shuttle- and pear-shaped...

Two faceted shuttle- and pear-shaped scapolites of 1.87 and 0.94 carats. Light yellow, bright. shuttle dimensions: 15.3 x 6.4 x 3.2 mm pear dimensions: 8.5 x 5.4 x 3.9 mm

Result : Not available / Estimate : Subscribers only

Lot n° 11

Rectangular cut-sided emerald....

Rectangular cut-sided emerald. Emerald Dimensions: 12.2 x 9.13 x 6.22 mm Total weight: 5.59 ct According to preliminary LFG report specifying "weak oil", from February 2020

Result : Not available / Estimate : Subscribers only

Lot n° 12

Faceted oval emerald. Gristles...

Faceted oval emerald. Gristles and inclusions present Dimensions: 12.7 x 8.89 x 6.52 mm Total weight: 4.15 ct According to preliminary LFG report specifying "weak oil", from February 2020

Result : Not available / Estimate : Subscribers only

Lot n° 14

Faceted oval purple glass with...

Faceted oval purple glass with small bubbles. Dimensions: approx. 40 x 29 x 10.8 mm Total weight: 79.1 carats.

Result : Not available / Estimate : Subscribers only

Lot n° 15

Lot of various faceted stones including...

Lot of various faceted stones including tourmalines, zircons, labradorites, indicolites, garnets and feldspars of various shapes. Shocks and scratches. Total weight: about 40 ct

Result : Not available / Estimate : Subscribers only

Lot n° 16

Lot composed of five rough stones...

Lot composed of five rough stones including tourmalines and a ghost quartz (presented glued on a support). Grinding and shocks Dimensions ghost quartz: 25 x 21 x 19 mm Total weight: approx. 115 cts.

Result : Not available / Estimate : Subscribers only

Lot n° 17

Green tourmaline crystal of approximately...

Green tourmaline crystal of approximately 61.45 carats (grayish). Dimensions: 63 x 8 x 9 mm approx.

Result : Not available / Estimate : Subscribers only

Lot n° 18

Phantom Quartz Crystal (scratches,...

Phantom Quartz Crystal (scratches, fractures). Presented glued on Plexiglas. Dimensions: 34 x 22 x 18 mm approx.

Result : Not available / Estimate : Subscribers only

Lot n° 19

Ball of blue celestite. Traces...

Ball of blue celestite. Traces of glue and accidents. Diameter: approx. 90 mm Gross weight: 1369.5 g Preliminary LFG report stating no treatment, February 2020

Result : Not available / Estimate : Subscribers only

Lot n° 20

Set of four green/intense yellow...

Set of four green/intense yellow sphenes for a total of 51.95 carats. Three are oval and one is pear size. Dimensions of the pear: 20.26 x 11.65 x 6.51 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 21

Set of two two-tone transparent...

Set of two two-tone transparent beryls in very soft tones. Beautiful inclusions in two phases. One is very elongated oval of 9.33 ct. and the other is rectangular of 7.97 ct. Dimensions of the rectangular: 19.18 x 8.25 x 5.52 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 22

Batch of various faceted green...

Batch of various faceted green stones including diopsides and garnets for about 3 carats. Sold as is

Result : Not available / Estimate : Subscribers only

Lot n° 23

Set of two faceted citrines, one...

Set of two faceted citrines, one of which is 8.8 ct cut-sided rectangular and the second oval briolette of 10.1 ct Rectangular dimensions: 13.8 x 10 x 8.9 mm Oval dimensions: 15.2 x 13.2 x 8.5 mm

Result : Not available / Estimate : Subscribers only

Lot n° 24

Set of two faceted briolette-shaped...

Set of two faceted briolette-shaped prasiolites, one 15.5 ct. cushion and the second oval 6.9 ct. Cushion dimensions: 14 x 13 x 11.2 mm Oval dimensions: 13.9 x 10.2 x 8.7 mm

Result : Not available / Estimate : Subscribers only

Lot n° 25

Diaspore "Color change" also called...

Diaspore "Color change" also called Zultanite, referring to the Sultans of the Ottoman Empire (Turkey) of 11.03 ct. Gentle change of colour with light, from green to pink. Luster on an angle. Dimensions: 19.6 x 10.9 x 5.9 mm According to copy of GLT...

Result : Not available / Estimate : Subscribers only

Lot n° 26

Citrine size mixed cushion size...

Citrine size mixed cushion size rectangular highly saturated 9.86 ct. Dimensions: 16.04 x 11.99 x 7.32 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 27

Large oval citrine in saturated...

Large oval citrine in saturated yellow of 11.57 ct. Dimensions: 18.09 x 13.20 x 9.09 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 28

Duo of rectangular amethysts with...

Duo of rectangular amethysts with cut sides of good quality and light to strong colour. Ideal for making earrings as the pairing is very correct. Dimensions: 12.12 x 10.25 x 7.33 mm. and 12.08 x 10.15 x 8.58 mm. Total weight: 13.31 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 29

8.07 ct. oval translucent opal...

8.07 ct. oval translucent opal boulder with beautiful colour areas and directional flashes of blue and green. Dimensions: 21.49 x 12.41 x 3.52 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 30

1.75 ct. fancy vivid yellow rough...

1.75 ct. fancy vivid yellow rough diamond with good transparency and the ability to create a cushion shape to maximize weight. Dimensions: approx. 5.94 x 5.92 x 4.61 mm

Result : Not available / Estimate : Subscribers only

Lot n° 31

Rough diamond of 5.15 ct. uncut...

Rough diamond of 5.15 ct. uncut fancy yellow. Stone for collectors of surface markings. Numerous groups of trigons that form a mountain landscape with a magnifying glass. Dimensions: approx. 10.64 x 8.99 x 6.29 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 32

Fancy greenish yellow rough diamond...

Fancy greenish yellow rough diamond of 1.26 ct. with trigons on the surface. Some spots can easily disappear by cleavage. Ideal for a cushion cut. Dimensions: approx. 5.61 x 4.86 x 4.53 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 33

Lot of 19 oval sapphires from dark...

Lot of 19 oval sapphires from dark blue to very dark from 4.18 to 5.08 mm. length. Total weight: 7.3 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 34

Set of five opaque ruby cabochons....

Set of five opaque ruby cabochons. The largest cabochon is not perfectly oval but will be ideal in a high closed setting. Lengths from 4.76 to 8.11 mm. Widths from 4.75 to 7.10 mm. Total weight: 6 ct.

Result : Not available / Estimate : Subscribers only

Lot n° 35

3.08 ct. medium green to saturated,...

3.08 ct. medium green to saturated, transparent to translucent, emerald size. Dimensions: 10.55 x 8.58 x 4.32 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 36

Set of two dark oval sapphires...

Set of two dark oval sapphires of 7.04 ct. which let a light blue veil show through. Probably of Australian origin. Dimensions: 10.06 x 8.24 x 4.85 mm. and 9.81 x 7.87 x 4.28 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 37

Oval sapphire of 5.81 ct. probably...

Oval sapphire of 5.81 ct. probably of Australian origin, dark blue opaque to translucent with long, elongated inclusions. Study stone for gemologists. Dimensions: 11.99 x 10.08 x 5.17 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 38

Fancy dark orangy brown diamond...

Fancy dark orangy brown diamond of 1 ct. Rectangle cut brilliant modified. Blows at the pavilion level. GIA certificate. Dimensions: 6.35 x 4.75 x 3.55 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 39

Fancy dark yellowish brown diamond...

Fancy dark yellowish brown diamond of 2.01 ct. Modified square. During polishing, a crystalline inclusion left its imprint on the table. GIA certificate. Dimensions: 6.46 x 6.45 x 5.26 mm.

Result : Not available / Estimate : Subscribers only

Lot n° 40

Natural Emerald from Colombia of...

Natural Emerald from Colombia of 0.494 ct., minor treatment. Medium to intense green with very nice transparency. Octagonal size. Measures: 4.96 x 4.87 x 3.10 mm. GLA (Austrian Gemmological Laboratory) certificate included.

Result : Not available / Estimate : Subscribers only

Lot n° 41

Natural Emerald from Colombia of...

Natural Emerald from Colombia of 0.693 ct., minor treatment. Medium to intense green with very nice transparency. Presence of inclusions in two phases. Octagonal size. Measurements: 6.01 x 4.53 x 3.60 mm. GLA (Austrian Gemmological Laboratory) certificate...

Result : Not available / Estimate : Subscribers only

Lot n° 42

Natural Emerald from Colombia of...

Natural Emerald from Colombia of 0.756 ct., moderately processed. Light green with beautiful transparency. Octagonal size. Measurements: 5.70 x 4.84 x 3.70 mm. GLA (Austrian Gemmological Laboratory) certificate included.

Result : Not available / Estimate : Subscribers only

Lot n° 43

Natural emerald from Colombia of...

Natural emerald from Colombia of 0.968 ct., moderate treatment. Light green with a very nice transparency. Presence of inclusions in two phases. Octagonal size. Measurements: 6.86 x 5.7 x 3.58 mm. GLA (Austrian Gemmological Laboratory) certificate in...

Result : Not available / Estimate : Subscribers only

Lot n° 44

Natural Emerald from Colombia of...

Natural Emerald from Colombia of 0.996 ct., moderate treatment. Intense green saturated with a very beautiful transparency. Presence of inclusions in three phases. Oval size. Measurements: 7.46 x 5.63 x 3.69 mm. GLA (Austrian Gemmological Laboratory)...

Result : Not available / Estimate : Subscribers only

Lot n° 45

Natural Emerald from Colombia of...

Natural Emerald from Colombia of 1,009 ct., moderate treatment. Intense green saturated with a beautiful transparency, light inclusions of which presence of inclusions in three phases. Emerald size. Measures: 7.40 x 4.63 x 3.53 mm. Two certificates provided,...

Result : Not available / Estimate : Subscribers only

Auction 24 September 2020 GEMS 3rd edition - www.artprecium.com

Bid on the lot list Millon : 24 September 2020 - Département<br /><em>Anne HARTMANN</em><br />contact : <strong>joaillerie@millon.com</strong><br /><br />Experts<br /><em>Céline Rose DAVID<br />Cécile SIMON</em> www.artprecium.com - www.artprecium.com

GEMS 3rd edition

Lot of natural royal blue to dark...

Lot of natural royal blue to dark blue sapphires of a total of 31.37 ct. oval shape in different sizes. Good light transmission in about one third of the batch. Areas of green color that may indicate a presumed Australian origin. Swiss Minex seal. Certificate...

Set of natural royal blue to dark...

Set of natural royal blue to dark blue sapphires on paper with a total of 31.2 ct. in oval shape and different sizes. Some beautiful lines and colour areas with 120° angles. Lengths: from 4.55 to 9.15 mm.

Cushion cut ruby recta ngular of...

Cushion cut ruby recta ngular of a beautiful raspberry color of 2,65 ct. Probably glass field treatment. Blows on the pavilion and scratches on the roundel. Dimensions: 9.52 x 6.91 x 4.45 mm.

A batch of oval natural royal blue...

A batch of oval natural royal blue to dark blue sapphires of a total of 31.31 ct. with areas of greenish colour that may indicate an Australian origin. Some stones have a beautiful brilliance. Swiss Minex seal. Certificate of authenticity dated March...

Nice lot of natural royal blue...

Nice lot of natural royal blue to dark blue sapphires in oval shape in different sizes for a total of 31.65 ct. Very fine colour areas. Swiss Minex seal. Certificate of authenticity made in Geneva and dated March 1, 1980.

A batch of oval royal blue to dark...

A batch of oval royal blue to dark blue sapphires of a total of 31.26 ct. with stones of homogeneous colour with colour zones and angles indicating the natural character of sapphires. Different sizes and depths. Swiss Minex seal. Certificate of authenticity...

Lot composed of ten stones including...

Lot composed of ten stones including two green doublets and an oval amethyst of 5.33 ct. Grisings. Total weight: 15.83 ct

Very pure 31.62 ct. oval blue topaz....

Very pure 31.62 ct. oval blue topaz. Cut briolette type pavilion. Dimensions: 24.86 x 15.54 x 9.30 mm

Set of three oval aquamarines,...

Set of three oval aquamarines, two of which are pale blue of 3.85 and 2.79 ct. and one Santa Maria type blue of 9.94 ct. Dimensions: 11.81 x 8.00 x 4.67 mm. 13.29 x 9.30 x 4.80 mm. 17.58 x 11.49 x 7.79 mm.

Set of three transparent beryls,...

Set of three transparent beryls, one 18 ct. round, one 11.01 ct. rectangular with cut-off sides and one 23.38 ct. scissors-cut square with briolet-shaped pavilion. Dimensions of the square: 16.84 x 16.60 x 10.38 mm.

Lot consisting of two brown danburites,...

Lot consisting of two brown danburites, one rectangular with cut-off sides of 14.16 ct. and the other square of 27.54 ct. and a rectangular sphene of 6.89 ct. Dimensions of the sphene: 12.69 x 8.96 x 5.84 mm.

Lot consisting of three yellow...

Lot consisting of three yellow stones including one heliodore, one danburite and one sphene. Total weight: 26.75 ct.

Set of twelve various natural and...

Set of twelve various natural and synthetic stones including an oval scapolite of 27.06 ct. Dimensions scapolite: 27 x 16.9 x 9.4 mm Total weight: 78.09 ct.

Lot composed of fourteen various...

Lot composed of fourteen various natural and synthetic stones including four 10.84 ct. amethyst cabochons and five 23.34 ct. garnet cabochons. Total weight: 68.93 ct.

Lot composed of beryl and mainly...

Lot composed of beryl and mainly aquamarines of round, pear, oval, awning, rectangular shapes for a total of 13,79 ct. Beautiful saturated blue colour for a good number of aquamarines.

Two faceted shuttle- and pear-shaped...

Two faceted shuttle- and pear-shaped scapolites of 1.87 and 0.94 carats. Light yellow, bright. shuttle dimensions: 15.3 x 6.4 x 3.2 mm pear dimensions: 8.5 x 5.4 x 3.9 mm

Rectangular cut-sided emerald....

Rectangular cut-sided emerald. Emerald Dimensions: 12.2 x 9.13 x 6.22 mm Total weight: 5.59 ct According to preliminary LFG report specifying "weak oil", from February 2020

Faceted oval emerald. Gristles...

Faceted oval emerald. Gristles and inclusions present Dimensions: 12.7 x 8.89 x 6.52 mm Total weight: 4.15 ct According to preliminary LFG report specifying "weak oil", from February 2020

Faceted oval purple glass with...

Faceted oval purple glass with small bubbles. Dimensions: approx. 40 x 29 x 10.8 mm Total weight: 79.1 carats.

Lot of various faceted stones including...

Lot of various faceted stones including tourmalines, zircons, labradorites, indicolites, garnets and feldspars of various shapes. Shocks and scratches. Total weight: about 40 ct

Lot composed of five rough stones...

Lot composed of five rough stones including tourmalines and a ghost quartz (presented glued on a support). Grinding and shocks Dimensions ghost quartz: 25 x 21 x 19 mm Total weight: approx. 115 cts.

Green tourmaline crystal of approximately...

Green tourmaline crystal of approximately 61.45 carats (grayish). Dimensions: 63 x 8 x 9 mm approx.

Phantom Quartz Crystal (scratches,...

Phantom Quartz Crystal (scratches, fractures). Presented glued on Plexiglas. Dimensions: 34 x 22 x 18 mm approx.

Ball of blue celestite. Traces...

Ball of blue celestite. Traces of glue and accidents. Diameter: approx. 90 mm Gross weight: 1369.5 g Preliminary LFG report stating no treatment, February 2020

Set of four green/intense yellow...

Set of four green/intense yellow sphenes for a total of 51.95 carats. Three are oval and one is pear size. Dimensions of the pear: 20.26 x 11.65 x 6.51 mm.

Set of two two-tone transparent...

Set of two two-tone transparent beryls in very soft tones. Beautiful inclusions in two phases. One is very elongated oval of 9.33 ct. and the other is rectangular of 7.97 ct. Dimensions of the rectangular: 19.18 x 8.25 x 5.52 mm.

Batch of various faceted green...

Batch of various faceted green stones including diopsides and garnets for about 3 carats. Sold as is

Set of two faceted citrines, one...

Set of two faceted citrines, one of which is 8.8 ct cut-sided rectangular and the second oval briolette of 10.1 ct Rectangular dimensions: 13.8 x 10 x 8.9 mm Oval dimensions: 15.2 x 13.2 x 8.5 mm

Set of two faceted briolette-shaped...

Set of two faceted briolette-shaped prasiolites, one 15.5 ct. cushion and the second oval 6.9 ct. Cushion dimensions: 14 x 13 x 11.2 mm Oval dimensions: 13.9 x 10.2 x 8.7 mm

Diaspore "Color change" also called...

Diaspore "Color change" also called Zultanite, referring to the Sultans of the Ottoman Empire (Turkey) of 11.03 ct. Gentle change of colour with light, from green to pink. Luster on an angle. Dimensions: 19.6 x 10.9 x 5.9 mm According to copy of GLT...

Citrine size mixed cushion size...

Citrine size mixed cushion size rectangular highly saturated 9.86 ct. Dimensions: 16.04 x 11.99 x 7.32 mm.

Large oval citrine in saturated...

Large oval citrine in saturated yellow of 11.57 ct. Dimensions: 18.09 x 13.20 x 9.09 mm.

Duo of rectangular amethysts with...

Duo of rectangular amethysts with cut sides of good quality and light to strong colour. Ideal for making earrings as the pairing is very correct. Dimensions: 12.12 x 10.25 x 7.33 mm. and 12.08 x 10.15 x 8.58 mm. Total weight: 13.31 ct.

8.07 ct. oval translucent opal...

8.07 ct. oval translucent opal boulder with beautiful colour areas and directional flashes of blue and green. Dimensions: 21.49 x 12.41 x 3.52 mm.

1.75 ct. fancy vivid yellow rough...

1.75 ct. fancy vivid yellow rough diamond with good transparency and the ability to create a cushion shape to maximize weight. Dimensions: approx. 5.94 x 5.92 x 4.61 mm

Rough diamond of 5.15 ct. uncut...

Rough diamond of 5.15 ct. uncut fancy yellow. Stone for collectors of surface markings. Numerous groups of trigons that form a mountain landscape with a magnifying glass. Dimensions: approx. 10.64 x 8.99 x 6.29 mm.

Fancy greenish yellow rough diamond...

Fancy greenish yellow rough diamond of 1.26 ct. with trigons on the surface. Some spots can easily disappear by cleavage. Ideal for a cushion cut. Dimensions: approx. 5.61 x 4.86 x 4.53 mm.

Lot of 19 oval sapphires from dark...

Lot of 19 oval sapphires from dark blue to very dark from 4.18 to 5.08 mm. length. Total weight: 7.3 ct.

Set of five opaque ruby cabochons....