Used old 4x2mm marquise faceted Ruby or purple pink Sapphire
Gem Jewelry Sapphires Gem Stone Jewelry Piece Pretty three 4x2mm marquise cut faceted think Sapphires but maybe Rubies corundum ring with precious SS sterling silver Finished jewelry piece Sapphires Gem Stone Jewelry Piece http://facetroughgemstones.com/gem-store/product_info.php/products_id/4534