Mexican Sterling Silver Filigree Ring Onyx Cabochon Size 7.75. This is 1 inch on long axis and about 0.5 on short. The internal diameter is 0.75 inches which corresponds to an American ring size 7.75-8. This is sizeable can go up or down about 1/2 size. This is preowned, Circa early 1990's purchased on Isla Mujeres, Mexico early 1990's. No dents dings not misshapen. This is tested tests as Sterling silver but is unmarked. Artisan made. Excellent condition. Ships USPS domestically and eBay International Shipping globally