Silver Boulder Opal Necklace “18ct Gold South Sea Pearl 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 18ct Gold 3-tone Necklace $4,990.00 Add to cart SOLDLoose Queensland boulder opal SOLD Read more Silver Opal Necklace $475.00 Add to cart 18ct Gold South Sea Pearl Necklace $3,380.00 Add to cart