3 Carat Diamond 14k Yellow Gold Martini Solitaire Ring. Jewelry piece is made of 14-karat yellow gold overlay with a polished finish. Center diamond simulant ring is a lovely expression of your personal style. Center stone is a beautiful 4-carat round-cut Martini Illumine stone. Six-prong setting. Stone is 10.5 millimeters in diameter. Total gem weight is 3.75 carats. Approximately 3.6 grams in weight. Available Ring Sizes: 4, 5, 6, 7, 8, 9, 10, 11. Brand: ParisJewelry Size/Dimensions: 11 Metal Stamp: 18 kt Material: Gold Age: Adult Condition: New