This 4mm Station Necklace features a 16" chain with 4mm studs of bezeled cubic zirconia, and is adjustable from 16" to 17" and 18". Each CRISLU flawless and exquisitely cut cubic zirconia stone is handset in precious .925 sterling silver and finished in pure platinum for a total diamond equivalent weight of 1.25ctw. CRISLU jewelry is 100% hypoallergenic. Model is wearing this necklace on its shortest setting.