18K yellow gold and semi-precious stone rings. Includes 3 rings. A twisting ribbon mounting with a prong set oval cut amethyst (7.1 x 6.2 x 4.3mm) at the center. The ring measures 11.5mm in width. Size 5 3/4. Marked "18". Approx. 3.6 grams. A synthetic ruby and diamond ring. Split ribbon mounting with channel set diamond baguettes on each shoulder. Prong set round cut diamonds outline the outer edges and the center prong set oval ruby (synthetic). Measures 16mm in width. Size 5 1/2. Approx. 4.9 grams. And a floral inspired domed sapphire ring with 3 concentric layers of prong set blue sapphires that rise above a cutwork petal center mount. Measures 17.4mm in width. Size 4 1/4 (fitted with 2 interior sizing beads). Set with 18 round faceted sapphire (2.5mm each), and 1 - 3.5mm sapphire at the center. Marked "14". Approx. 5.9 grams. Note: chips to several stones. Good condition. Chips to several of the blue sapphires. Merchandise will be packed and transported by the purchaser at their own risk and expense. A list of recommended shippers is on our website: https://www.conceptgallery.com/auctions/shipping/ .