Blue Topaz Necklace Sterling Silver Silver Blue Topaz Etsy 925 Sterling Silver Sky Blue Topaz Gemstone Pendant Necklace, Filigree Sky Blue Topaz Solitaire Pendant Necklace in Sterling Silver Floating Solitaire London Blue Topaz Pendant in Silver Brilliant Earth 925 Sterling Silver Sky Blue Topaz Gemstone Pendant Necklace, Filigree. Add a touch of sparkle to your outfit with this beautiful solitaire necklace. Handcrafted with a round brilliant cut natural sky blue topaz, this necklace is perfect for everyday wear and for layering with another necklace. Natural sky blue topaz round cut 6 mm Rhodium plated on solid 925 sterling silver Adjustable chain 16" 18" Handcrafted Also available in 18k Gold Vermeil. We also offer an option to add an additional 2" extender. With the extender, the total length of the necklace will be 20" (adjustable from 16" 20"). * Matching ring and earrings available.