H&H 3.00 Carat Princess Cut NSCD Simulated Diamond Engagement Ring Set with 2 Bands in 18K Gold Over 925 Sterling Silver Diamond Scientific Name: Nano Simulated Carbon Diamond(nscd diamond) Center stone 3 carat(9mm*9mm),accent stones -10 pcs of 0.03ct ,40 pcs of 0.02ct and 28 pcs of 0.01ct Totally 4.38 carat including accent diamonds Diamond Clarity :VVS1, COLOUR GRADE: H-J/H Setting: Solid 925 silver with highest quality rhodium plate Occasion: Anniversary, Engagement, Gift, Party, Wedding