Pearlz Ocean Sterling Silver Round-cut Spinel Fashion Ring This Pearlz Ocean ring is a combination of chrome diopside, black spinel and white topaz gemstones. The sterling silver construction of this lovely ring is finished with a high polish. Gemstone colors: Green/Black/White; Gemstone shapes: Round 20 prong-set round-cut chrome diopsides each measure 2.5 mm; 16 prong-set round-cut black spinels each measure 2.5 mm; Four prong-set round-cut white topaz each measure 2.5 mm wide; Total gemstone weight: 3 1/3 carats Metal: Sterling silver; Finish: High polish; Metal weight: 3.95 grams; Ring setting dimensions: 19 mm wide x 28 mm long x 6 mm deep; Band dimensions: 1.5 mm wide All carat weights and measurements are approximate and may vary slightly from the listed dimensions. Treatment code N. See Treatment Guide for further information.