Shop All Jewelry 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) / By Treatment (Unheat vs Heated) / Heated All Pre-owned Luxury Brand Jewelry Color Stones, Diamonds (Unbranded) By Stone Type (Color Stones, Diamonds) By Treatment (Unheat vs Heated) Unheat Heated 'Royal Blue' 1.09ct Sapphire (Heated, Sri Lanka) Tiara Diamond Ring, US 5, AU750 $2,499.00 Add To Cart Added!