Give a gift they'll adore — and one that honors the beauty of nature — with this enchanting necklace from the greenland rubies collection. 14k yellow gold features a responsibly sourced, natural oval-cut ruby from greenland each piece in the collection is distinctly unique as a result of the rubies' natural formation four swirling halos of independently certified round-cut lab-grown diamonds surround the ruby in sparkle total lab-grown diamond weight is 3/8 carat 16- to 18-inch adjustable cable chain with lobster clasp exclusively at kay