This is a vintage Art Deco 18k gold, platinum, diamonds and rubies ladies necklace. The piece is exquisitely crafted in solid 18k yellow gold with a platinum overlay adorned with rose cut diamonds and faceted rubies. The piece fastens with a solid platinum chain for a secure worry free wear. solid 18k yellow gold & platinum, 1.00 cts. rose cut diamonds H-J color, VS1-SI2 clarity, 45 pts. faceted rubies,center piece - 1 15/16" tall x 1 3/16" wide x 1/4" thick, chain length - 18 1/2", 1/16" wide x 1/32" thick, 6.7g total gram weight.