Silver Boulder Opal Necklace “18ct Gold 3-tone Necklace” has been added to your cart. View cart SOLD Silver boulder opal necklace, a natural purple-ish/blue/white Australian boulder opal set in silver free-form frame. Very unique design. Size: Pendant H40mm x W22mm Silver Chain is 49cm long. Total Weight: 22.9 grams Categories: Necklace, Opal Tags: necklacr, opal Related products SOLDSilver bar link Chain SOLD Read more 18ct Solid Yellow Gold Necklace $3,590.00 Add to cart SOLDSilver Solid Boulder Opal Earrings SOLD Read more 9ct gold necklace with Fresh water pearls $575.00 Add to cart