34.15 Carats Deep Purple Winton Boulder Opal Rough - Natural Australian Stone, LZ100Est. $90-$180
53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95Est. $120-$240
94.91 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ89Est. $180-$360
59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88Est. $160-$320
BOULDER OPAL RING BOHO SIZE 5.25 STERLING SILVER WOMENEst. $183-$205
40.85 Carats Royal Blue Winton Boulder Opal Rough - Natural Australian Stone, LZ101Est. $110-$220
Chinese jade boulder carvingEst. $160-$300
2.55 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.8x6.8mm, 9XMEst. $50-$100
28.80 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 40XPEst. $60-$120
4.15 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.9x9.9mm, 17XMEst. $50-$100
Chinese jadeite jade boulder carving of a rooster on wooden baseEst. $200-$400
59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ87Est. $160-$320
A Chinese Hetian Jade Natural Boulder Display Stone, 20th Century, 5YBEst. $40-$80
Australian Boulder Opal and Diamond Pendant in 14k Yellow GoldEst. $2,387-$3,580
FEATURED
1.40 Carats Forest Green Vegetation Boulder Opal - Natural Australian Stone, LZ42Est. $90-$180
Chinese shoushan stone fine carved boulder with peanuts on topEst. $160-$400
23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XPEst. $60-$120
1.66 Carats Electric Green Web Matrix Boulder Opal - Natural Australian Stone, LZ47Est. $90-$180
A Lot of Fossilized Boulder Opal Rough Specimens, 61ZJEst. $30-$60
2.15 Carats Boulder Opal Cabochon - Soft Pastel Play-of-Color Specimen, 60XMEst. $50-$100
Australian Boulder Opal and Diamond Pendant in 14k Yellow GoldEst. $2,387-$3,580
Natural Multi Color Opal Boulder Gemstones 20.99 Ct. Swan Carving29.04 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ97Est. $100-$200
Chinese jade boulder carved of a ladybug on leaf statueEst. $200-$500
