18k yellow gold over 925 sterling silver ring featuring a striking 6 carat deep blue cushion-cut sapphire center stone. Classic four-prong solitaire setting highlights the rich blue color. A versatile statement piece that adds sophisticated color to any outfit. Questions? Leave a comment below! Also check out our closet for some of the most stunning rings on Poshmark and don't forget to like your favorite listings for a discount! Fast Shipping! Bundle & Save! Happy Poshing! Our other listings feature: 8k 9k 10k 12k 14k 22k 24k 18k 900 925 750 585 417 316 333 platinum sterling silver ring rose brown bypass criss cross loop bezel set red green clear pink ice white yellow gold smoky quartz lavender jelly ice carat size 1 2 3 4 5 6 7 8 9 10 11 12 carat jade chocolate black strawberry vanilla real opal morganite blue pink birthstone engagement anniversary promise rings band moissanite natural lab stone Alexandrite Diamond Ruby Sapphire Emerald Amethyst Citrine Garnet Peridot Topaz Aquamarine Tourmaline Zircon Spinel Iolite Moonstone Tanzanite Labradorite Fluorite Amber Coral Pearl Jet Turquoise Lapis Lazuli Malachite Onyx Jasper Agate Obsidian Rhodonite Rhodochrosite Alexandrite Hematite Tiger’s Eye