Opal Gems

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2.77 Ct "Beautiful"Aqua Terra Costa Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 2.77 ct /Size or Dimensions: 7 X 7 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunnin

2026

2.77 Ct "Beautiful"Aqua Terra Costa Doublet Quartz

Finest Gems Auction Rajasthan, IN

6.54 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 6.54 Ct /Size or Dimensions: 16 X 10.40 X 7 mm / Treatment: Heated

2026

6.54 Ct "Top Quality" Natural Green Amethyst

Finest Gems Auction Rajasthan, IN

4.46 Ct Natural Hessonite Garnet: Gemstones: Natural Hessonite Garnet /Carat Weights: 4.46 ct /Size or Dimensions: 11 X 9 X 6 mm /Treatment: None

2026

4.46 Ct Natural Hessonite Garnet

Finest Gems Auction Rajasthan, IN

37.38 Ct Natural Multicolor Flash Labradorite: Gemstones: Natural Labradorite /Carat Weights: 37.38 ct /Size/Dimensions: 38 X 22 X 5 mm Approx /Treatment: No

2026

37.38 Ct Natural Multicolor Flash Labradorite

Finest Gems Auction Rajasthan, IN

10.53 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 10.53 Ct /Size or Dimensions: 17.80 X 13.60 X 7.90 mm / Treatment: Heated

2026

10.53 Ct "Top Quality" Natural Green Amethyst

Finest Gems Auction Rajasthan, IN

4.91 Ct "AAA Grade" Natural Citrine: Gemstones: Natural Citrine /Carat Weights: 4.91 Ct /Size or Dimensions: 13.69 X 10.25 X 5.87 mm Approx

2026

4.91 Ct "AAA Grade" Natural Citrine

Finest Gems Auction Rajasthan, IN

1.01 Ct Natural Ethiopian Green Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 1.01 ct /Size or Dimensions: 9 X 7 X 3.70 mm /Treatment: Color Dyed

2026

1.01 Ct Natural Ethiopian Green Fire Opal

Finest Gems Auction Rajasthan, IN

11.90 ct "Top Quality" Brazilian Natural Pink Amethyst: Gemstones: Natural Brazil Amethyst /Carat Weights: 11.90 ct /Size or Dimensions: 18 X 13 X 9 mm /Origin : Brazil

2026

11.90 ct "Top Quality" Brazilian Natural Pink Amethyst

Finest Gems Auction Rajasthan, IN

1.43 Ct Natural Ethiopian Fire Opal Set: Gemstones: Natural Fire Opal /Carat Weights: 1.43 ct /Size or Dimensions: 7 X 5 mm /Treatment: No

2026

1.43 Ct Natural Ethiopian Fire Opal Set

Finest Gems Auction Rajasthan, IN

1.78 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 1.78 ct /Size or Dimensions: 11 X 8 X 4 mm Approx /Treatment: Heated

2026

1.78 Ct "Play Of Colors" Natural Black Opal

Finest Gems Auction Rajasthan, IN

6.20 ct "Top Qulaity" Natural Yellow Mystic Quartz Pair: Gemstones: Natural Mystic Quartz /Carat Weights: 6.20 ct /Size or Dimensions: 10 X 10 mm /Treatment: Coated

2026

6.20 ct "Top Qulaity" Natural Yellow Mystic Quartz Pair

Finest Gems Auction Rajasthan, IN

2.34 Ct "Play of Colors" Natural Ethiopian Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 2.34 ct /Size or Dimensions: 9.70 X 8 X 5.50 mm /Treatment: No

2026

2.34 Ct "Play of Colors" Natural Ethiopian Fire Opal

Finest Gems Auction Rajasthan, IN

2.64 Ct Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 2.64 Ct /Size or Dimensions: 10.60 X 8.70 X 5 mm / Treatment: Heated

2026

2.64 Ct Natural Green Amethyst

Finest Gems Auction Rajasthan, IN

11.94 Ct Unheated Natural Star Garnet: Gemstones: Natural Star Garnet /Carat Weights: 11.94 ct /Size or Dimensions: 12 X 12 mm /Treatment: None

2026

11.94 Ct Unheated Natural Star Garnet

Finest Gems Auction Rajasthan, IN

1.61 Ct Natural Blue Sapphire Square: Gemstones: Natural Sapphire /Carat Weights: 1.61 ct /Size or Dimensions: 6 X 6 mm /Treatment: Glass Filled

2026

1.61 Ct Natural Blue Sapphire Square

Finest Gems Auction Rajasthan, IN

0.98 ct "Flawless" Natural Tanzanite: Gemstones: Natural Tanzanite /Carat Weights: 0.98 ct /Size or Dimensions: 7 X 5 mm Approx /

2026

0.98 ct "Flawless" Natural Tanzanite

Finest Gems Auction Rajasthan, IN

1.46 Ct "Play Of Colors" Natural Black Opal Cut: Gemstones: Natural Black Fire Opal /Carat Weights: 1.46 ct /Size or Dimensions: 11.50 X 8 X 3.30 mm Approx /Treatment: Heated

2026

1.46 Ct "Play Of Colors" Natural Black Opal Cut

Finest Gems Auction Rajasthan, IN

9.72 Ct "Beautiful"Aqua Terra Costa Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 9.72 ct /Size or Dimensions: 20 X 11 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunn

2026

9.72 Ct "Beautiful"Aqua Terra Costa Doublet Quartz

Finest Gems Auction Rajasthan, IN

70.16 Ct Natural Banded Agate: Gemstones: Natural Agate /Carat Weights: 70.16 ct /Size or Dimensions: 38 X 28 X 8 MM Approx

2026

70.16 Ct Natural Banded Agate

Finest Gems Auction Rajasthan, IN

10.39 ct "Top Quality" Brazilian Natural Purple Amethyst: Gemstones: Natural Brazil Amethyst /Carat Weights: 10.39 ct /Size or Dimensions: 16.30 X 12.70 X 8 mm /Origin : Brazil

2026

10.39 ct "Top Quality" Brazilian Natural Purple Amethyst

Finest Gems Auction Rajasthan, IN

4.18 Ct Natural Royal Blue Moonstone: Gemstones: Natural Blue Moonstone /Carat Weights: 4.18 Ct /Size or Dimensions: 9 X 9 mm

2026

4.18 Ct Natural Royal Blue Moonstone

Finest Gems Auction Rajasthan, IN

13.39 ct "Top Quality" Natural Purple Amethyst: Gemstones: Natural Brazil Amethyst /Carat Weights: 13.39 ct /Size or Dimensions: 19 X 10 X 8.40 mm /Origin : Brazil

2026

13.39 ct "Top Quality" Natural Purple Amethyst

Finest Gems Auction Rajasthan, IN

20.45 Ct "Rarest" Natural Ammolite: Gemstones: Natural AmmoliteCarat Weights: 20.45 ct Size/Dimensions: 32 X 14 X 5.30 mm ApproxTreatment: No

2026

20.45 Ct "Rarest" Natural Ammolite

Finest Gems Auction Rajasthan, IN

1.40 Ct "Top Quality" Natural Sapphire Set: Gemstones: Natural Sapphire /Carat Weights: 1.40 ct /Size or Dimensions: 4.50 X 3.50 mm /Treatment: Heated

2026

1.40 Ct "Top Quality" Natural Sapphire Set

Finest Gems Auction Rajasthan, IN

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Cobourg, ON, CA

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Hidden Gems & Estate Treasures

Matthew Bullock Auctioneers

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Ottawa, IL, US

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