This is an amazing 18k yellow gold pendant necklace. The pendant is centered with a lovely cushion cut tanzanite that weighs approximately 10.00ct. The center stone is accentuated by sparkling round cut diamonds that weigh approximately 0.25ct. The color of these diamonds is E-F with VS2 clarity. The pendant measures 24mm by 23.5mm. The chain measures 16 inches in length. The necklace is stamped 750 and weighs 16.9 grams.