Big & Beautiful 20 Carat lab Created Paraiba Tourmaline Oval cut in a Luxurious Cluster of Lab Created Colorless Sapphire Ready to ship in a size 8 & will ship in 24 hours Sharp cut facets create a wealth of fire in all color variations. A striking combination. Construction is Sterling Silver finished in nickel-free 18k White Gold, 3 layers of Gold over Fine Silver. Excellent Artisan Construction, handcrafted in a Size 8 Lab Created High Temperature High Preassure Pariaba Tourmaline OVAL Shape 20 Carat Setting: Cluster Halo Pear shapes all colorless HTHP Lab Diamonds 18 in total 2x3.5mm Size 8 ships in 24 hours Lab Paraiba Tourmaline Cluster Statement Ring Luxurious Holiday Ring, 925, 18K