Rare diamant Lot n° 208

Rare square, slightly elongated cut diamond weighing 3,01 carats of D colour and VVS1 clarity Type IIa set in a yellow gold mounting This ring comes with a GIA certificate and a note about the fact that this stone isType IIa, underlining the rarity of this diamond Type IIa diamonds represent only 2% of the worlds diamonds. They are free of Hydrogen and the a means that there is no Borax either which results in having a 100% carbon crystal making its transparency exceptional