Classic Cushion Cut London Blue Topaz 14k Yellow Gold White Diamond Art Deco Two Tone Gold Natural Diamond and Blue Topaz Pendant Necklace Art Deco Style Handcrafted Blue Topaz Ruby Yellow Gold Pendant Necklace Art Deco Style Handcrafted Blue Topaz Ruby Yellow Gold Pendant Necklace 18 Karat White Gold Gradient Blue Topaz Circle Pendant Necklace For. Part of our ever popular Art Deco collection, A sky blue topaz takes centre stage in this cluster pendant. It features a 10mm by 8mm 2. 65ct blue topaz and 30 pav set round brilliant diamonds in a 9ct white gold mount, all suspended from an adjustable 16 18 inch trace chain. Love this style but not the gemstone? Check out our yellow gold amethyst and diamond pendant or our yellow gold citrine and diamond pendant. Don't forget we have matching pieces available, click here to see the full collection! Specifications: Metal: 9ct White Gold Blue Topaz Weight: 2. 65ct Diamond Weight: 0. 17ct Diamond Colour: G H Diamond Clarity: SI Chain & Length: 9ct White Gold 16 18 Inch Trace Chain Related Product: 9ct White Gold 2. 73ct Cushion Cut Blue Topaz Solitaire Ring