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Results for “Untreated Sapphire”

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33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 33Ct Dimension: 22 x 13 x 9 mm Treatment: Natural Untreated Shape: Freeform Type

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33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B

Ksmith Heritage Auctioneers

Est. $90-$180

22.16Ct Blue Boulder Opal - Australian Opal , 450E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 22.16Ct Dimension: 18.9x18.3x5.8 mm Treatment: Natural Untreated Type: Cabochon,

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22.16Ct Blue Boulder Opal - Australian Opal , 450E

Ksmith Heritage Auctioneers

Est. $90-$180

0.075Ct 1.0mm D-F Brilliant Round VS Loose Diamond 15pcs - Australian Diamond, 214B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

0.075Ct 1.0mm D-F Brilliant Round VS Loose Diamond 15pcs - Australian Diamond, 214B

Ksmith Heritage Auctioneers

Est. $160-$320

1.67Ct Welo Opal Polished - Ethiopian Opal , 347E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 1.67Ct Dimension: 9.9x7.6x5.3 mm Treatment: Natural Untreated Type: Faceted

2026

1.67Ct Welo Opal Polished - Ethiopian Opal , 347E

Ksmith Heritage Auctioneers

3.11g Natural Opal Stone Sterling Silver 925 Ring (Adjustable) , 439E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Opal Ring (Silver 925) Origin: Ethiopia Ring Size : Free size, Adjustable (middle size at US 6) Stone Dimension: 11x8mm Treatmen

2026

3.11g Natural Opal Stone Sterling Silver 925 Ring (Adjustable) , 439E

Ksmith Heritage Auctioneers

*21.54Ct Calibrated 7x5mm Welo Opal Set - Ethiopian Opal, 1155B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 21.54Ct Dimension: 6.9x5x3.1 mm Treatment: Natural Untreated Type: Cabochon, Pol

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*21.54Ct Calibrated 7x5mm Welo Opal Set - Ethiopian Opal, 1155B

Ksmith Heritage Auctioneers

Est. $90-$180

3.23g Natural Opal Stone Sterling Silver 925 Ring (Adjustable) , 630E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Opal Ring (Silver 925) Origin: Ethiopia Ring Size : Free size, Adjustable (middle size at US 6) Stone Dimension: 11x8mm Treatmen

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3.23g Natural Opal Stone Sterling Silver 925 Ring (Adjustable) , 630E

Ksmith Heritage Auctioneers

Est. $110-$220

*5.20Ct Boulder Opal - Australian Opal, 1143B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 5.20Ct Dimension: 12.6x8.8x3.5 mm Treatment: Natural Untreated Type: Cabochon, Polishe

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*5.20Ct Boulder Opal - Australian Opal, 1143B

Ksmith Heritage Auctioneers

Est. $70-$140

8.14g Mexican Geode Druzy - Mineral Rough , 378E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 8.14g Dimension: 21x17 mm Treatment: Natural Untreated Shape: Freeform

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8.14g Mexican Geode Druzy - Mineral Rough , 378E

Ksmith Heritage Auctioneers

Est. $20-$40

Tsavorite Garnet 1.04Ct Pear Cut Natural Kenya Tsavorite Garnet SI Clarity, 266A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Tsavorite Garnet 1.04Ct Pear Cut Natural Kenya Tsavorite Garnet SI Clarity, 266A

Ksmith Heritage Auctioneers

Est. $170-$340

Aquamarine 1.98Ct Natural Brazil Untreated Aquamarine Oval Cut, 586A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Aquamarine 1.98Ct Natural Brazil Untreated Aquamarine Oval Cut, 586A

Ksmith Heritage Auctioneers

Est. $50-$100

*4.26Ct Welo Opal Polished - Ethiopian Opal, 1199B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 4.26Ct Dimension: 14.8x19.1x6.4 mm Treatment: Natural Untreated Type: Cabochon,

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*4.26Ct Welo Opal Polished - Ethiopian Opal, 1199B

Ksmith Heritage Auctioneers

Est. $90-$180

*8.59Ct Welo Opal Polished - Ethiopian Opal , 603E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 8.59Ct Dimension: 18.9x11.1x8.2 mm Treatment: Natural Untreated Type: Caboc

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*8.59Ct Welo Opal Polished - Ethiopian Opal , 603E

Ksmith Heritage Auctioneers

Est. $130-$260

*7.53Ct Welo Opal Polished - Ethiopian Opal , 505E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 7.53Ct Dimension: 17.3x11.9x6.9 mm Treatment: Natural Untreated Type: Caboc

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*7.53Ct Welo Opal Polished - Ethiopian Opal , 505E

Ksmith Heritage Auctioneers

Est. $130-$260

Tanzanite 1.28Ct Natural Oval Cut Purplish Blue Tanzanite for Jewelry Making, 1195B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Tanzanite 1.28Ct Natural Oval Cut Purplish Blue Tanzanite for Jewelry Making, 1195B

Ksmith Heritage Auctioneers

Est. $70-$140

10.31Ct Lavender Amethyst - Polished Faceted , 679E: Ksmith Heritage Auctioneers Subject: Natural Lavender Amethyst Origin: Brazil Carat Weight: 10.31Ct Dimension: 17.2x12.8x8.2 mm Treatment: Untreated Type: Faceted, Polishe

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10.31Ct Lavender Amethyst - Polished Faceted , 679E

Ksmith Heritage Auctioneers

Est. $90-$180

*7.29Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon, 989B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 7.29Ct Dimension: 16.7 x 11.6 x 7.9 mm Treatment: Natural Untreated Shape: Oval

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*7.29Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon, 989B

Ksmith Heritage Auctioneers

Est. $130-$260

VVS Kunzite 12.21Ct Emerald Cut Natural Brazil Top Pink Kunzite, 1127B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

VVS Kunzite 12.21Ct Emerald Cut Natural Brazil Top Pink Kunzite, 1127B

Ksmith Heritage Auctioneers

Est. $110-$220

Madagascar Moonstone 1.72Ct Natural Flashy Ranbow Madagascar Moonstone for Jewelry, 788MZ: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Madagascar Moonstone 1.72Ct Natural Flashy Ranbow Madagascar Moonstone for Jewelry, 788MZ

Ksmith Heritage Auctioneers

Est. $90-$180

Apatite 2.44Ct Natural Unheated Turquoise Blue Apatite Madagascar For Jewelry Making, 867B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Apatite 2.44Ct Natural Unheated Turquoise Blue Apatite Madagascar For Jewelry Making, 867B

Ksmith Heritage Auctioneers

Est. $90-$180

7.83Ct Boulder Opal - Australian Opal , 525E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 7.83Ct Dimension: 18.7x15.2x2.9 mm Treatment: Natural Untreated Type: Cabochon, P

2026

7.83Ct Boulder Opal - Australian Opal , 525E

Ksmith Heritage Auctioneers

24.37Cts Natural 925 Sterling Silver 10 MM. White Pearl & Swiss Blue Topaz Earrings, 519B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

24.37Cts Natural 925 Sterling Silver 10 MM. White Pearl & Swiss Blue Topaz Earrings, 519B

Ksmith Heritage Auctioneers

Est. $50-$100

0.075Ct 2.6mm D-F Brilliant Round VS Loose Diamond 1pc - Australian Diamond - Round Shape Lot, 557A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

0.075Ct 2.6mm D-F Brilliant Round VS Loose Diamond 1pc - Australian Diamond - Round Shape Lot, 557A

Ksmith Heritage Auctioneers

Est. $120-$240

Apatite 2.08Ct Natural Unheated Blue Apatite Madagascar For Jewelry Making, 1196A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

6 days Left

Apatite 2.08Ct Natural Unheated Blue Apatite Madagascar For Jewelry Making, 1196A

Ksmith Heritage Auctioneers

Est. $50-$100

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