Sky Blue Topaz Sterling Silver Necklace Dainty Blue Topaz Necklace Sterling Silver Solitaire Blue Etsy Blue Topaz Necklace Sterling Silver Silver Blue Topaz Etsy Sky Blue Topaz and Cubic Zirconia 925 Sterling Silver Pendant, Stud Ea. 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.