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 18ct Gold South Sea Pearl Necklace $3,380.00 Add to cart 18ct Solid Yellow Gold Necklace $4,075.00 Add to cart 9ct gold necklace with Fresh water pearls $575.00 Add to cart 18ct White Gold Diamond Necklace $3,890.00 Add to cart