Natural blue zircon faceted gemstone necklace. Earthy great unique rich pastel blue color, amazing zircon sparkle, untreated stones. The gems are 4.5mm in size, 100 carats. The necklace length is 20", can adjust down to 18". The chain and clasp are sterling silver or 14k solid yellow gold filled - you choose. Wear alone or jumble with other necklaces or add a pendant for a unique look. Shipping is Free!