WOMEN’S Accessories Jewelry Ring dbijoyce Unknown Brand Sterling silver onyx signet ring 7.25 Onyx, mother of pearl and marcasite. About size 7.25 on ring mandrel. A few scratches, a little tarnish. Weighs 6.4 grams. Check out my other gold and silver listings. $45 Buy Now Posted 7 days ago • Expires in 53 days Shipping (U.S.) arrow Contiguous US $7.00 Non-Contiguous $7.00 Details arrow Condition Good Material 925 sterling silver only, mother of pearl and marcasite. Color Silver, black, white and grey Retail Price $90.00 Size & Measurements arrow Size 7.25