This is a gorgeous sapphire diamond 18k yellow gold platinum engagement ring. The ring is handmade is set with a vivid blue oval cut sapphire that weighs approximately 3.58ct. The sapphire is accentuated by 2 sparkling trilliant cut diamonds that weigh approximately 0.70ct. The color of the diamonds is G-H with VS clarity. The top of the ring measures 11mm by 15.5mm. The ring is size 6 3/4 but it can be resized. The ring is stamped 18K PLATINUM HANDMADE. It weighs 3.8 grams.