Even Little Boy Blue would be in awe of this ever enchanting London Blue Topaz necklace. Blue Topaz, the stone of peacefulness and calm, promises you just that, as it drapes your decolletage with this splendid, one of a kind, treasure. Scroll down to Gem Guide below to learn more about Blue Topaz. Chakra: Throat & Third Eye. DIAM (0.67 CT) STONE (.760 CT) Measurement: 12.9 x 11.5 x 6 mm Weight: 2.68 grams 18k gold Please allow 4-6 weeks for production. Elegant Blue Crystal Necklace With Gemstone Accents, Fine Jewelry Sapphire Necklace With Blue Topaz, Fine Jewelry Blue Topaz Necklace, Fine Jewelry Sapphire Necklaces With Blue Topaz, Blue Topaz Pendant Necklace With Gemstone Accents, Fine Jewelry Sapphire Necklace With Gemstone Accents, Sapphire Pendant Necklace With Gemstone Accents, London Blue Topaz Necklace, Necklace Guide