18 carat gold (kt) white gold: 6.0 grams (gr). 3 diamonds princess cut: total weight 0.60 carat (ct) (G colour VS clarity). 8 diamonds brilliant cut: total weight 0.40 carat (ct). Size: 6 inches (Usa) | 12 mm (Italy). Riviera with princess diamonds and white gold. Codex: Eass.