Karl Faberge Antique 2.30ct SI1-SI2/J-K (Pale Yellow to accent the flower petals) Old Mine Cut Diamond, 18K Yellow Gold, Platinum, & Plique-a-Jour Enamel Floral Motif Ring (One of a Kind) - This stunning ring features a 2.30ct SI1/J-K (Pale Yellow to accent the flower petals) old mine cut diamond center stone, and is made of solid "72" Gold (The Russian standard for 18K) and solid Platinum. The color of the diamond resembles a "pistil" of a flower (the center yellow part of a flower). The diamond in the center is in a handmade channel setting that is made of solid platinum. You can actually see the hand forged work. The ring has amazing attention to detail, and is truly museum quality. The piece also comes in the original leather box, and is of the highest investment and collector quality. Karl Faberge is one of the greatest masters of all time for enamel, silver, gold and other high-end works. This is a piece done by the master himself. You will simply never see another piece like this ever again. This piece has come from one of the largest (privately owned) Faberge collections in the world. Ring sz. 6.75 (Weighs: 8.3 Grams). The piece is signed KF, and is marked 72 (the Russian gold standard for 18K).