Paris, France, circa 1970s
This finely modeled 18K gold and diamond ring is designed to be worn with three interchangeable high dome cabochon cut gemstones: a blue topaz, a green tourmaline, and a yellow brown citrine.
The ring is marked with eagle’s head French assay mark for 750 gold standard (on shank and bezels of the gemstone inserts), and Dutch tulip shape gold mark for 750 standard.
The shank is engraved “Boucheron Paris”.
Boucheron, a French luxury jewelry firm established in 1858, has been known for its innovative designs and exceptional quality.
The bezel measures 19 x 15 mm (3/4 x 5/8 in.)
Weight is 18.48 grams.
Ring size 6.5 (17 mm) resizable