Silver Boulder Opal Necklace 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 SOLDAntique Sterling Silver Fob chain ( c. 1896 ) SOLD Read more 18ct Gold 3-tone Necklace $4,990.00 Add to cart Rose/Yellow Gold Vintage Necklace $990.00 Add to cart 9ct gold necklace with Fresh water pearls $575.00 Add to cart