This elegant 18k white gold pendant necklace features a 0.90-carat natural marquise brilliant diamond. The diamond is GIA certified with D color and Internally Flawless clarity, ensuring exceptional brilliance and purity. Graded Excellent for polish and symmetry, the diamond exhibits superior craftsmanship and sparkle. Weighing 2.4 grams, this 20-inch necklace is a sophisticated and timeless addition to any fine jewelry collection, perfect for adding a touch of luxury to both everyday wear and special occasions.