Sterling Silver Ruby and Diamond Necklace. A sparkling oval-shaped ruby is prong-set against round white diamonds on this art deco pendant. Crafted of rhodium plated sterling silver, this pendant includes a matching cable chain. Style: Pendant. Gemstone colors: Red. Gemstone shapes: Oval. One prong-set oval-cut ruby measures 8 mm wide x 10 mm long. Gemstone weight: 2 4/5 carats. Total gemstone weight: 2 4/5 carats. Diamonds: One. Diamond cut: Round. Diamond weight: 0.01 carat. Color: I-J. Clarity: I2-I3. Setting: Prong. Metal: Sterling silver. Finish: High polish. Chain: Cable. Chain length: 18 inches. Clasp: Spring ring. Metal weight: 5.3 grams. Pendant dimensions: 19.05 mm wide x 27.42 mm long. Metal Stamp: .925 Sterling Silver Material: Sterling Silver