Apparel & Accessories > Jewelry > Necklaces Jewelry > Necklaces in stock Shay Jewelry 18-Karat Ruby Heart Necklace in Yellow Gold/Ruby: Ready to ship in 2-3 business days. Clasp it at fourteen inches for a choker length or sixteen inches so it hits at the collarbone—either way, this necklace is unmissable. The heart-shaped ruby is a showstopper, rich and dimensional when it catches the light, but note the little white diamond set into the eighteen-karat yellow-gold chain: It’s a subtle touch that sparkles with the slightest movement.18k yellow gold with rubies Chain length: 14″ – 16″.