Charles & Colvard Three Stone Moissanite 14k White Gold Necklace, 18" Three Charles & Clovard Forever Classic () Moissanites are Featured in this Necklace Forever Classic () Moissanite Refractive Index is 2.65-2.69; Fire Dispersion Index .104; Compares to J-K Faint Diamond Scale Two Moissanite Stones are 3.25 Millimeters Round and the Middle Moissanite is 4.00 Millimeters Round Suspended from a 1.00 Millimeter 14k White Gold Diamond Cut Cable Chain Certificate of Authenticity Included; Proudly Made in the United States