Ac Gilbert Co Gems

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4.14ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 1TT: This parcel trillion faceted natural amethyst gemstones with aggregate total weight of 4.14 carats, each stone measuring 5.0x3.4mm. The gems exhibit vivid saturated purple colouration with subtle natu

2026

4.14ct Natural Purple Amethyst Trillion Cut Loose Gemstone Parcel, 1TT

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

SHOWCASE W/VARIOUS STONES OR GEMS: UNSURE OF AUTHENTICITY OF ANY OF THE STONES ~ 15" X 8" X 2.5"

2026

SHOWCASE W/VARIOUS STONES OR GEMS

Sudlersville, MD

Russum's Auctioneers

4.5

(188)

Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group: Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 225 grams total, 4.4-15.1 cm (1 3/4 - 6 in.). [7, No Reserve] Ex Mi

2026

Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group

Harwich, Essex

TimeLine Auctions Ltd.

4.6

(202)

$Large Group of Forty-Two [42] Cleaved Optical Calcite Specimens: Comprising forty-two calcite rhombs displaying characteristic double refraction. 1.54 kg total, 24-42 mm (1 - 1 5/8 in.). [42, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gre$

2026

Large Group of Forty-Two [42] Cleaved Optical Calcite Specimens

Harwich, Essex

TimeLine Auctions Ltd.

4.6

(202)

Loose Diamond - OVAL 1.06ct D VVS1: Loose Diamond - OVAL 1.06ct D VVS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 1.06 Color: D Clarity: VVS1 Certification: IGI Video:

2026

Loose Diamond - OVAL 1.06ct D VVS1

New York, NY

Mynt Auctions

4.5

(919)

113.30 Ct Natural Coconut Jasper: Gemstones: Natural Jasper /Carat Weights: 113.30 ct /Size or Dimensions: 62 X 37 X 6 MM Approx

2026

113.30 Ct Natural Coconut Jasper

Rajasthan, IN

Finest Gems Auction

4.6

(135)

4.47 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 4.47 ct /Treatment: No

2026

4.47 Ct Natural Ethiopian Fire Opal Rough

Rajasthan, IN

Finest Gems Auction

4.6

(135)

0.87 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.87 ct /Size or Dimensions: 13.30 X 6 X 3 mm Approx /Treatment: Heated

2026

0.87 Ct "Play Of Colors" Natural Black Opal

Rajasthan, IN

Finest Gems Auction

4.6

(135)

30.25 ct "Top Qulaity" Natural Rainbow Mystic Quartz: Gemstones: Natural Mystic Quartz /Carat Weights: 30.28 ct /Size or Dimensions: 20 X 20 X 14.40 mm /Treatment: Coated

2026

30.25 ct "Top Qulaity" Natural Rainbow Mystic Quartz

Rajasthan, IN

Finest Gems Auction

4.6

(135)

14.33 ct Natural Chalcedony Pear Pair: Gemstones: Natual Chalcedony /Carat Weights: 14.33 ct /Size or Dimensions: 15.60 X 12 X 5 mm

2026

14.33 ct Natural Chalcedony Pear Pair

Rajasthan, IN

Finest Gems Auction

4.6

(135)

6.14 ct Natural Fresh Water Pearl: Gemstones: Natural Fresh Water Pearl /Carat Weights: 6.14 ct /Size or Dimensions: 10 X 10 mm Approx

2026

6.14 ct Natural Fresh Water Pearl

Rajasthan, IN

Finest Gems Auction

4.6

(135)

35.88 Ct Natural Multicolor Labradorite: Gemstones: Natural LabradoriteCarat Weights: 35.88 ct Size or Dimensions: 35.50 X 20 X 5.60 mm ApproxTreatment: No

2026

35.88 Ct Natural Multicolor Labradorite

Rajasthan, IN

Finest Gems Auction

4.6

(135)

27.97 ct Natural Sunstone: Gemstones: Natural Sunstone /Carat Weights: 27.97 ct /Size or Dimensions: 27.30 X 13 X 9 mm Approx

2026

27.97 ct Natural Sunstone

Rajasthan, IN

Finest Gems Auction

4.6

(135)

17.73 ct Natural Amethyst Round Set: Gemstones: Natural Amethyst /Carat Weights: 17.73 ct /Size or Dimensions: 6 X 6 mm /Origin : Africa

2026

17.73 ct Natural Amethyst Round Set

Rajasthan, IN

Finest Gems Auction

4.6

(135)

20.18 ct Natural Chalcedony Marquise Set: Gemstones: Natual Chalcedony /Carat Weights: 20.18 ct /Size or Dimensions: 20 X 10 mm

2026

20.18 ct Natural Chalcedony Marquise Set

Rajasthan, IN

Finest Gems Auction

4.6

(135)

4.68 Ct "Premium Quality" Natural Moss Agate Fancy Pair: Gemstones: Natural Moss Agate /Carat Weights: 4.68 ct /Size or Dimensions: 9 X 7 MM Approx

2026

4.68 Ct "Premium Quality" Natural Moss Agate Fancy Pair

Rajasthan, IN

Finest Gems Auction

4.6

(135)

8.08 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 8.08 Ct /Size or Dimensions: 16.50 X 11.70 X 7.80 mm / Treatment: Heated

2026

8.08 Ct "Top Quality" Natural Green Amethyst

Rajasthan, IN

Finest Gems Auction

4.6

(135)

1.63 ct Natural Sakota Emerald: Gemstones: Natural Emerald /Carat Weights: 1.63 ct /Size or Dimensions: 9 X 7 mm Approx

2026

1.63 ct Natural Sakota Emerald

Rajasthan, IN

Finest Gems Auction

4.6

(135)

3.57 Ct Natural Grandidierite Set: Gemstones: Natural Grandidierite /Carat Weights: 3.57 ct /Size or Dimensions: 6 X 4 MM Approx

2026

3.57 Ct Natural Grandidierite Set

Rajasthan, IN

Finest Gems Auction

4.6

(135)

1.21 Ct Natural Blue Sapphire: Gemstones: Natural Sapphire /Carat Weights: 1.21 ct /Size or Dimensions: 6 X 6 mm /Treatment: Glass Filled

2026

1.21 Ct Natural Blue Sapphire

Rajasthan, IN

Finest Gems Auction

4.6

(135)

6.80 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 6.80 Ct /Size or Dimensions: 16.30 X 10.30 X 7.15 mm / Treatment: Heated

2026

6.80 Ct "Top Quality" Natural Green Amethyst

Rajasthan, IN

Finest Gems Auction

4.6

(135)

8.37 Ct "Beautiful"Watermelon Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 8.37 ct /Size or Dimensions: 9 X 9 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunnin

2026

8.37 Ct "Beautiful"Watermelon Doublet Quartz

Rajasthan, IN

Finest Gems Auction

4.6

(135)

1.28 Ct Natural Blue Sapphire: Gemstones: Natural Sapphire /Carat Weights: 1.28 ct /Size or Dimensions: 7 X 5 mm /Treatment: Glass Filled

2026

1.28 Ct Natural Blue Sapphire

Rajasthan, IN

Finest Gems Auction

4.6

(135)

3.32 Ct "Beautiful"Watermelon Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 3.32 ct /Size or Dimensions: 11 X 9 X 6 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a st

2026

3.32 Ct "Beautiful"Watermelon Doublet Quartz

Rajasthan, IN

Finest Gems Auction

4.6

(135)

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Gems Auctions

UNIQUE BERTONI HANDCRAFTED award winning DESIGNER BRANCH RING 18K YELLOW GOLD & ONYX with diamonds

Large unique Lemon Quartz

Estate Opal and Sapphire 14k yellow flower ring

Jewels & Gems, Then & Now

Bertoni Gallery LLC

Starts on:

Warwick, NY, US

4 days Left

Original Vintage Leonetto Cappiello Journe'e de la Femme et L'Enfant Poster 1923 - RARE

I Want You for U.S. Army Original Poster 1917 by James Montgomery Flagg

Original Vintage General Dynamics - Building Materials Poster by Erik Nitsche 1960

Original Vintage Poster Gems

The Ross Art Group

Starts on:

Boca Raton, FL, US

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live39

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung thep, TH

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