Shop All Jewelry Color Stones, Diamonds (Unbranded) Categories: All Pre-owned Luxury Brand Jewelry Harry Winston Cartier Tiffany Graff Other Brands Color Stones, Diamonds (Unbranded) By Stone Type (Color Stones, Diamonds) Lab-grown Diamonds Natural Diamonds Color Stones By Treatment (Unheat vs Heated) Unheat Heated All / Color Stones, Diamonds (Unbranded) All Pre-owned Luxury Brand Jewelry Color Stones, Diamonds (Unbranded) By Stone Type (Color Stones, Diamonds) By Treatment (Unheat vs Heated) 24ct Sapphire Necklace with Diamonds, Burma Unheated, GUILD Certified $258,888.00 Add To Cart Added! 8.4 Ct Natural Diamond Tennis Bracelet, 17cm, 40 Diamonds Total (each 0.21ct) Sale Price: $8,980.00 Original Price: $9,980.00 Sale Add To Cart Added! 2 Carat TW. (1 Ct each, Natural) Pair of Round Brilliant Diamond Ear Studs, 6-prong Setting, G Color VS Clarity $9,280.00 Add To Cart Added! 'Royal Blue' 6ct Sapphire Ring with Diamonds, Sri Lanka Unheated, GRS Certified Sale Price: $59,888.00 Original Price: $63,888.00 Sale Add To Cart Added! 4 Carat TW. (2 Ct each, Lab-grown) Pair of Diamond Ear Studs, Halo Setting, E color VS1, IGI Certified $3,488.00 Add To Cart Added! 7ct Diamond Ring (Lab-grown), Three-stone Setting, F color VS1, IGI Certified $10,880.00 Add To Cart Added! 'Royal Blue' 1.09ct Sapphire (Heated, Sri Lanka) Tiara Diamond Ring, US 5, AU750 $2,499.00 Add To Cart Added! 'Royal Blue' 10ct Sapphire Ring, Sri Lanka Unheat, with GRS Certification $175,000.00 Sold Out Sold Out Added!