Natural Australian Boulder Opal 3.73ct, Solid Winton Opal 9.4 x 12.7 mm
S$ 354.85
Boulder Opals
Natural Australian Boulder Opal 5.68 ct, Solid Winton Opal 5.2 x 27.5 mm
S$ 1,174.37
Natural Australian Boulder Opal 7.6 ct, Solid Winton Opal 17.7 x 4.4mm
S$ 380.19
Natural Australian Boulder Opal 7.40 ct, Solid Winton Opal 11 x 17 x 4mm
S$ 971.60
Natural Australian Boulder Opal 7.12 ct, Solid Winton Opal 10.5 x 15.2 x 4.2mm
S$ 709.69
Natural Australian Boulder Opal 1.61 ct, Solid Winton Opal 8 x 10.1 mm
S$ 827.97
Natural Australian Boulder Opal 0.92 ct, Solid Winton Opal 4.4 x 10.9 mm
S$ 549.16
Natural Australian Boulder Opal 21.81 ct, Solid Winton Opal 9.3 x 28.3 mm
S$ 3,311.89
1.70ct Natural Australian Boulder Opal, 6.5 x 12.6 x 3.5mm Loose Opal Gemstone
S$ 701.24
Natural Australian Boulder Opal 4.01 ct, Solid Winton Opal 7.8 x 19.4 mm
S$ 1,056.09
1.1ct Natural Australian Boulder Opal, 5.6 x 8.3mm Loose Opal Gemstone
S$ 760.38
Natural Australian Boulder Opal 7.24 ct, Solid Winton Opal 7.5 x 25 x 4.5mm
S$ 954.70
Natural Australian Boulder Opal 3.68 ct, Solid Winton Opal 12.49 x 11.70 mm
S$ 3,463.96
Natural Australian Boulder Opal - 11.7 ct, Solid Winton Opal 13 x 22 x 5mm
S$ 1,968.55
Natural Australian Boulder Opal Pair 16.82ct, Solid Winton Opal 13.95 x 12.43mm
S$ 11,456.43
Natural Australian Boulder Opal 9.10 ct, Solid Winton Opal 18 x 12.3 mm
S$ 10,941.06
Natural Australian Boulder Opal 3.76ct, Solid Winton Opal 12.44 x 9.85 mm
S$ 3,590.69
Natural Australian Boulder Opal 4.68ct, Solid Winton Opal 13.60 x 10.35 mm
S$ 2,864.11
30.3ct Natural Australian Boulder Opal - 9.5 x 42.4 x 6.3mm-Loose Opal Gemstone
S$ 2,872.56
Natural Australian Boulder Opal 4.85 ct, Solid Winton Opal 9 x 15mm
S$ 2,771.17
Natural Australian Boulder Opal 23.10 ct, Solid Winton Opal 19.8 x 20.3 x 6.1mm
S$ 4,967.83
Natural Australian Boulder Opal 12.5 ct, Solid Winton Opal 12 x 24mm
S$ 4,452.46