Antique & Vintage Gems for Sale in Online Auctions

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6.97 ct "Top Qulaity" Natural Rainbow Mystic Quartz: Gemstones: Natural Mystic Quartz /Carat Weights: 6.97 ct /Size or Dimensions: 12 X 10 X 6 mm /Treatment: Coated

2026

6.97 ct "Top Qulaity" Natural Rainbow Mystic Quartz

Finest Gems Auction

7.73 Ct "Top Grade" Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 7.73 ct /Treatment: No

2026

7.73 Ct "Top Grade" Natural Ethiopian Fire Opal Rough

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9.14 Ct Unheated Natural Star Garnet: Gemstones: Natural Star Garnet /Carat Weights: 9.14 ct /Size or Dimensions: 11.30 X 11 X 6.50 mm /Treatment: None

2026

9.14 Ct Unheated Natural Star Garnet

Finest Gems Auction

1.12 Ct "Play of Colors" Natural Ethiopian Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 1.12 ct /Size or Dimensions: 7 X 7 X 4.30 mm /Treatment: No

2026

1.12 Ct "Play of Colors" Natural Ethiopian Fire Opal

Finest Gems Auction

1.21 Ct Natural Citrine: Gemstones: Natural Citrine /Carat Weights: 1.21 Ct /Size or Dimensions: 7 X 4.50 mm

2026

1.21 Ct Natural Citrine

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5.68 ct "Top Quality" Natural Purple Amethyst: Gemstones: Natural Brazil Amethyst /Carat Weights: 5.68 ct /Size or Dimensions: 17.60 X 9 X 5.30 mm /Origin : Africa

2026

5.68 ct "Top Quality" Natural Purple Amethyst

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5.80 ct Composite Copper Turquoise Round Set: Gemstones: Composite Turquoise /Carat Weights: 5.80 ct /Size or Dimensions: 8 mm Approx

2026

5.80 ct Composite Copper Turquoise Round Set

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0.94 Ct "Flawless" Natural Tanzanite Oval Set: Gemstones: Natural Tanzanite /Carat Weights: 0.94 ct /Size or Dimensions: 5 X 3 mm Approx /Origin : Tanzania

2026

0.94 Ct "Flawless" Natural Tanzanite Oval Set

Finest Gems Auction

1.01 Ct Natural Blue Spinel Oval Set: Gemstones: Natural Fire Opal /Carat Weights: 1.01 ct /Size or Dimensions: 4 X 3 mm

2026

1.01 Ct Natural Blue Spinel Oval Set

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1.81 Ct Natural Tanzanite Oval Set: Gemstones: Natural Tanzanite /Carat Weights: 1.81 ct /Size or Dimensions: 6 X 4 mm Approx /Origin : Tanzania

2026

1.81 Ct Natural Tanzanite Oval Set

Finest Gems Auction

13.86 Ct "AAA Grade" Natural Green Flash Labradorite: Gemstones: Natural LabradoriteCarat Weights: 13.86ct Size/Dimensions: 20 X 12 X 6.70 mmTreatment: No

2026

13.86 Ct "AAA Grade" Natural Green Flash Labradorite

Finest Gems Auction

6.94 Ct "Beautiful" Watermelon Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 6.94 ct /Size or Dimensions: 14 X 10 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunn

2026

6.94 Ct "Beautiful" Watermelon Doublet Quartz

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2.40 ct Natural Red Coral Oval Pair: Gemstones: Natural Red Coral /Carat Weights: 2.40 ct /Size or Dimensions: 8 X 6 mm

2026

2.40 ct Natural Red Coral Oval Pair

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18.33 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 18.33 Ct /Size or Dimensions: 20 X 16 X 10.60 mm / Treatment: Heated

2026

18.33 Ct "Top Quality" Natural Green Amethyst

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7.42 Ct Natural Hessonite Garnet: Gemstones: Natural Hessonite Garnet /Carat Weights: 7.42 ct /Size or Dimensions: 11.80 X 11 X 7.80 mm /Treatment: None

2026

7.42 Ct Natural Hessonite Garnet

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1.03 Ct "Flawless" Natural Tanzanite Oval Set: Gemstones: Natural Tanzanite /Carat Weights: 1.03 ct /Size or Dimensions: 5 X 3 mm Approx /Origin : Tanzania

2026

1.03 Ct "Flawless" Natural Tanzanite Oval Set

Finest Gems Auction

23.34 ct "Top Qulaity" Natural Rainbow Mystic Quartz: Gemstones: Natural Mystic Quartz /Carat Weights: 23.34 ct /Size or Dimensions: 22 X 16 X 6.50 mm /Treatment: Coated

2026

23.34 ct "Top Qulaity" Natural Rainbow Mystic Quartz

Finest Gems Auction

6.71 Ct Natural Royal Blue Moonstone: Gemstones: Natural Blue Moonstone /Carat Weights: 6.71 Ct /Size or Dimensions: 18 X 9 X 6 mm

2026

6.71 Ct Natural Royal Blue Moonstone

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3.70 ct "Top Luster" Natural Sunstone Set: Gemstones: Natural Sunstone /Carat Weights: 3.70 ct /Size or Dimensions: 6 mm Approx

2026

3.70 ct "Top Luster" Natural Sunstone Set

Finest Gems Auction

16.31 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 16.31 Ct /Size or Dimensions: 19 X 14 X 9.60 mm / Treatment: Heated

2026

16.31 Ct "Top Quality" Natural Green Amethyst

Finest Gems Auction

SOLD

GOLD! GEM 2025 Niue Gold 50 cents: Bonnie & Clyde design. .9999 fine gold. In assay holder

2026

GOLD! GEM 2025 Niue Gold 50 cents

SOLD

GOLD! GEM 2026 Niue Gold 50 cents: American Whiskey Bourbon design. .9999 fine gold. In assay holder

2026

GOLD! GEM 2026 Niue Gold 50 cents

SOLD

GEM 1985 New Zealand Silver proof Set: In OGP with COA

2026

GEM 1985 New Zealand Silver proof Set

SOLD

GOLD! GEM 2026 Niue Gold 50 cents: American Whiskey Bourbon design. .9999 fine gold. In assay holder

2026

GOLD! GEM 2026 Niue Gold 50 cents

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Gems Auctions

Gilded Earth: Antiques, Gems and Treasures

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

20 hrs Left

GIA Certified 17.05ct Natural Emeralds Diamond Earrings 18kt Cluster Halo**

GIA Certified 8.63ct Natural Emerald diamonds ring 18kt*v

Diamond Studs GIA Certified 2.07ct Earrings 14kt**

Gems & Glamour: Fine Jewelry & Stones Auction

Chairish Auctions

Starts on:

New York, NY, US

5" x 5" Framed Male Equatorial Mimic Fprester Butterfly - Euphaedra Imitans

Milo Original Bronze Cardinal Sitting on Pomegranate Sculpture – 9" x 4"

1901 Royal White Basket of Flowers Russian Inspired Egg

1200+ Elegant Finds & Collector Gems

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

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