一枚绿碧玺镶钻戒指，镶嵌一颗约重 8.69 克拉的八角形阶梯切割绿碧玺，以一排单颗切割钻石点缀，无检验标记，尺寸 Q / 8.25，重 8.8 克。

Jean Thierry Bond 1970 Paris Ring In 18Kt Gold With 1.92 Ctw Diamonds Tourmaline And Onyx An unusual geometric ring, created in Paris France at the jewelry atelier of Jean Thierry Bond, back in the late 1970. This cocktail ring has been crafted in a pyramidal shape in solid yellow gold of 18 karats and mounted with a great selection of natural earth mined gemstones. Diamonds: Flanked in a French pave setting, with 24 calibrated round brilliant cut diamonds, 0.72 carats, white colorless F color, VS-2 clarity. Tourmaline: Mount in the center in a flush eight-prongs setting, with 1 round faceted cut of a green tourmaline of 1.20 carats. Others: Embellished with 1 faceted pyramidal cut of a natural black onyx. Weight: 7.7 Grams, (4.94 Dwt). Size: 6 sizeable. Measurements: 20 mm by 11 mm (0.79 x 0.43 Inches) and raise 8 mm over the finger. Hallmarks Stamped with French marks; the maker's mark associated to Jean Thierry Bond, the export mark for the assay of the gold and signed, "JTB". Very good conditions. Upon Request, Auction House may provide ring resizing or/and appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.