THE RIVIERA NECKLACE, Featuring a GIA Certified 54.03 carat K VS1 round brilliant cut diamond, suspended from a necklace composed of 64.16 total carats round brilliant cut diamonds, ranging in color from K-L and in clarity from VS1-SI2, beautifully mounted in platinum. Gems Jewelry, Pandora Jewelry, Diamond Jewelry, Gemstone Jewelry, Jewelery, Jewelry Accessories, Jewelry Design, Fine Jewelry, Jewelry Necklaces