42.95ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 42YPEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
22.97ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 85YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
23.67ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 8YPEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
410ct Natural Australian Queensland Boulder Opal Sliced Rough Parcel Lot, 59EXEstimate: $100 - $200Starting Bid$10Sathorn, BangkokThousandPlanet4.5(324)
18K White Gold Ladies Ring with 22.41ct Boulder Opal and 1.16ct tw Adjacent DiamondsEstimate: $13,250 - $17,025Starting Bid$50Arcadia, CARiverside Galleries4.6(233)
76.12ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 27YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
MIKIMOTO BOULDER OPAL PENDANTEstimate: $3,715 - $5,145Starting Bid$100Beverly Hills, CANY Elizabeth 4.3(130)
Chinese shoushan stone fine carved boulder with peanuts on topEstimate: $160 - $400Starting Bid$80Gainesville , GALake Lanier Antiques LLC4.5(38)
18K White Gold Ladies Ring with 22.41ct Boulder Opal and 1.16ct tw Adjacent DiamondsEstimate: $13,250 - $17,025Starting Bid$50Arcadia, CARiverside Galleries4.6(233)
18" Giant Boulder BikeEstimate: $1,000 - $2,000Starting Bid$50Placentia, CABryant Art Auction4.3(118)
Unbranded 18k Yellow Gold Pendant with Natural Boulder Opal CabochonEstimate: $923 - $1,199Starting Bid$100New York, NYMynt Auctions4.5(940)
21.76ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YPEstimate: $30 - $60Starting Bid$15Sathorn, BangkokLazo Heritage4.4(29)
46.00ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 93YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
35.53ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 95YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
39.73ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 56YPEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
60.10ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 46YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
85.73ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 50YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
44.06ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 7YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
32.80ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 23YPEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
38.21ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 56YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
43.72ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 84YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
83.78ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 44YLEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
48.44ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 46YPEstimate: $20 - $40Starting Bid$10Sathorn, BangkokLazo Heritage4.4(29)
Chinese jade boulder carving of a rooster on the hillEstimate: $180 - $300Starting Bid$90Gainesville , GALake Lanier Antiques LLC4.5(38)