GRA Certified Moissanite Double Halo Pendant Necklace, Hidden Halo Moissanite Necklace, VVs1 Moissanite Necklace GRA Certified Moissanite Double Halo Pendant Necklace, Hidden Halo Moissanite Necklace, VVs1 Moissanite Necklace GRA Certified all Moissanite and all stones will test positive as diamonds. Total carat weight is 2.8 carats. The center stone in the Halo is 1 carat. 6.5mm The halo is 0.5 = 2.0 carats There are 4 bezel set Moissanite measuring 2.5mm each. All together carat weight is 2.75. Grade Details for all stones are D in color, VVS1 in Carity with excellence in Cut, Symetry and polish and Zero fluorescence. GRA Documents including Grade Report, Black card Warranty and certificate of Authenticity will be included. Metal finish: 18k white gold Metal material: Solid sterling silver Construction is Sterling Silver 3 times layered in 18k White (nickel-free) Gold. Nickel free because it's made with Palladium. Historically, White Gold was mixed with nickel to achieve its color. Today we use Palladium, the strongest metal in Platinum which not only achieves a rich luster it also adds strength, durability and is 100% hypoallergenic. Stamped 925 sterling silver. Measures 16” with a 2” extender.