France, circa 1980s
This heavy 18K gold and diamond ring is designed to be worn with three interchangeable high dome faceted gemstones: a blue topaz, an amethyst, and a Madeira citrine.
The ring is marked with eagle’s head French assay mark for 750 gold standard and Dutch tulip shape gold mark for 750 standard.
Engraved inside the shank: Boucheron, OR 750, B27315.
Boucheron, a French luxury jewelry firm established in 1858, has been known for its innovative designs and exceptional quality.
Diameter of the bezel is 15 mm (5/8 in.)
Total height is 14 mm (9/16 in.)
Weight is 24.14 grams.
Ring size 6.5 (17 mm) resizable
