Valentine Jewellery [India] Pvt. Ltd. Offers Elegant Gold Jewelry Rings. Valentine Jewellery [India] Pvt. Ltd is an ISO: 9001-2000 certified company. Elegant Gold Jewelry Rings are available in 18 K and are studded with diamonds, emeralds, rubies, sapphires, tanzanite, tsavorites and other precious and semi precious colour stones. High quality finish is provided to these designer jewelries and the rings are available in 11.450 gms, 6.315 gms, 3.580 gms, 2.050 gms, etc.