Opal Gems

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23.90 Ct Natural Green Swiss Opal Oval Cab: weight - 23.90 Ct / Dimensions - 30.00 x 18.60 x 5.30 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

23.90 Ct Natural Green Swiss Opal Oval Cab

Gems AuctionBangkok, TH

Gems En Vogue Sterling silver White Agate Amethyst Pendant Necklace: Michaell Valituti designer Gorgeous sterling silver with gold accents and white agate large heart with sterling silver scroll large tears

2026

Gems En Vogue Sterling silver White Agate Amethyst Pendant Necklace

ATTIC TO AUCTION, LLCReading, PA

TOURMALINE ROCK STONE LAPIDARY SPECIMEN: TOURMALINE ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Twilight Bazaar, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house

2026

TOURMALINE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

2.37ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 93BV: This parcel consists of natural blue sapphire originating from Australia. The stones display varied cool blue tonal variation across the crystal material, polished with fine faceting to maximise light

2026

2.37ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 93BV

ThousandPlanetSathorn, Bangkok

1.44ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 58AS: This Mozambique fancy color tourmaline carries physical measurements of 7.4x5.8x3.9mm, representing a fine example of collectible fancy tourmaline sourced from established Mozambican mineral deposits

2026

1.44ct Natural Mozambique Fancy Color Tourmaline Loose Gemstone, 58AS

ThousandPlanetSathorn, Bangkok

$3.54ct Natural Brazilian Rubellite Tourmaline Cabochon Loose Gemstone, 1BC: This smoothly polished cabochon rubellite tourmaline features layered saturated pink-red body saturation with dense natural crystalline mineral flecks and fine internal fracture markings concentrated$

2026

3.54ct Natural Brazilian Rubellite Tourmaline Cabochon Loose Gemstone, 1BC

ThousandPlanetSathorn, Bangkok

0.10ct Untreated Natural Fancy Diamond Loose Gemstone, 9BG: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 3.2x1.1mm. Precision f

2026

0.10ct Untreated Natural Fancy Diamond Loose Gemstone, 9BG

ThousandPlanetSathorn, Bangkok

2.07ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 92BV: This parcel consists of natural blue sapphire originating from Australia. The stones display varied cool blue tonal variation across the crystal material, polished with fine faceting to maximise light

2026

2.07ct Natural Australian Blue Sapphire Loose Gemstone Parcel, 92BV

ThousandPlanetSathorn, Bangkok

Multi Color Onyx Freeform Tumble 1.2 KG: Multi Color Onyx Freeform Tumble 1.2 KG Shipping: $60.00. Shipping rates are determined by Parcel weight and destination.

2026

Multi Color Onyx Freeform Tumble 1.2 KG

Fantasy JewelryMuscat, AE

250 Grams Golden Healer Fire quartz Diamond - Natural Polished Crystal Point - Healing Stone Energy: 250 Grams Golden Healer Fire quartz Diamond - Natural Polished Crystal Point - Healing Stone Energy Shipping: $55.00. Shipping rates are determined by Parcel weight and destination.

2026

250 Grams Golden Healer Fire quartz Diamond - Natural Polished Crystal Point - Healing Stone Energy

Fantasy JewelryMuscat, AE

Natural Mixed Calcite Crystal Tower 550g ? Polished Stone Obelisk: Bring natural elegance into your space with this Natural Mixed Calcite Crystal Tower, weighing approximately 550 grams. Carefully cut and polished from genuine mixed calcite stone, this obelisk showca

2026

Natural Mixed Calcite Crystal Tower 550g ? Polished Stone Obelisk

Fantasy JewelryMuscat, AE

10.0 Carat ---- Natural Ceylon Pink Sapphire PAIR -- Brilliant Round Cut--EGL Certified: In a Radiant Cut is a rare, dual-colored gemstone featuring a striking rectangular or square shape with brilliant-cut facets. Also known as Pitambari Neelam, it showcases a natural color split or blen

2026

10.0 Carat ---- Natural Ceylon Pink Sapphire PAIR -- Brilliant Round Cut--EGL Certified

California GemstonesOceanside, CA

10.45 Carat ---- Natural Purple Tanzanite----Brilliant Oval Cut ----AGL Certified: Originating from Tanzania. It features vibrant purple hues, strong pleochroism (showing shifting violet and reddish-purple tones depending on the light or viewing angle), and eye-clean transparency.

2026

10.45 Carat ---- Natural Purple Tanzanite----Brilliant Oval Cut ----AGL Certified

California GemstonesOceanside, CA

5.00 Carat --Orange Sapphire----Round Cut----GGI Certified: This brilliant-cut gem offers a fiery, vivid glow and is highly prized for custom engagement rings and fine jewelry. Round Brilliant Cut. Faceted to maximize light return and fire.

2026

5.00 Carat --Orange Sapphire----Round Cut----GGI Certified

California GemstonesOceanside, CA

2.70ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 33BD: This polished star sapphire originates from classic Siamese mining deposits, featuring a deep dark crystalline base with fine native mineral traces trapped within its structure, sized at calibrated 8.

2026

2.70ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 33BD

ThousandPlanetSathorn, Bangkok

0.42ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 42BG: This unique natural diamond slice features a delicate hand-executed rose cut surface, showcasing captivating pictorial mineral inclusions trapped within the diamond matrix. Measuring 6.1x6x0.8mm, the

2026

0.42ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 42BG

ThousandPlanetSathorn, Bangkok

0.50ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 69BG: This unique natural diamond slice features a delicate hand-executed rose cut surface, showcasing captivating pictorial mineral inclusions trapped within the diamond matrix. Measuring 8.7x6.3x0.8mm, th

2026

0.50ct Natural Fancy Diamond Slice, Hand Rose Cut with Pictorial Inclusions Loose Gemstone, 69BG

ThousandPlanetSathorn, Bangkok

24.67ct Natural Brazilian Amethyst Oval Cabochon Loose Gemstone, 83BZ: This elegantly polished oval cabochon is natural amethyst sourced from Brazil. It features deep, rich royal purple colour with subtle flowing tonal variations throughout the crystal matrix. The smooth

2026

24.67ct Natural Brazilian Amethyst Oval Cabochon Loose Gemstone, 83BZ

ThousandPlanetSathorn, Bangkok

7.68 Carats Natural Brazil Hot Pink Topaz Loose Gemstone, 15FE: This natural Brazil topaz holds dimension measurements of 10.5x9.3x7.3mm, displaying an intense vibrant hot pink shade created through surface color coating treatment, its transparent crystal body car

2026

7.68 Carats Natural Brazil Hot Pink Topaz Loose Gemstone, 15FE

ThousandPlanetSathorn, Bangkok

16.83ct Natural Burmese Type A Lavender Jadeite Jade Cabochon Loose Gemstone, 16FV: This natural Burmese Type A jadeite jade cabochon lot displays soft lavender tone with well polished surfaces. Dimensions measure 10x9x6mm, sourced from Myanmar, these polished cabochons present great

2026

16.83ct Natural Burmese Type A Lavender Jadeite Jade Cabochon Loose Gemstone, 16FV

ThousandPlanetSathorn, Bangkok

3.30 Carats Natural Brazilian Pink Topaz Octagon Faceted Loose Gemstone, 83WY: This specimen is composed of natural topaz sourced from Brazilian mineral deposits, processed via professional faceted lapidary techniques with consistent glossy polishing applied to the entire crysta

2026

3.30 Carats Natural Brazilian Pink Topaz Octagon Faceted Loose Gemstone, 83WY

Lazo HeritageSathorn, Bangkok

4.31 Carats Natural Brazilian Pink Topaz Oval Faceted Loose Gemstone, 85WY: This specimen is composed of natural topaz sourced from Brazilian mineral deposits, processed via professional faceted lapidary techniques with consistent glossy polishing applied to the entire crysta

2026

4.31 Carats Natural Brazilian Pink Topaz Oval Faceted Loose Gemstone, 85WY

Lazo HeritageSathorn, Bangkok

4.04 Carats Natural Brazilian Pink Topaz Octagon Faceted Loose Gemstone, 81WY: This specimen is composed of natural topaz sourced from Brazilian mineral deposits, processed via professional faceted lapidary techniques with consistent glossy polishing applied to the entire crysta

2026

4.04 Carats Natural Brazilian Pink Topaz Octagon Faceted Loose Gemstone, 81WY

Lazo HeritageSathorn, Bangkok

285ct Natural Type A Burmese Jadeite Jade Sliced Rough, 35YR: This specimen is a sliced rough block of natural Type A Burmese jadeite jade. The interior displays natural colour zoning with visible mineral veining and crystalline patterns typical of unprocessed j

2026

285ct Natural Type A Burmese Jadeite Jade Sliced Rough, 35YR

Lazo HeritageSathorn, Bangkok

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AFRICAN TRADE BEADS COLLECTIBLE ETHNIC JEWELRY MAKING SUPPLY LOT

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MIXED LOT ASSORTED ROCK STONE LAPIDARY COLLECTOR SPECIMEN GRAB BAG

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Col. Christie Hatman Auctioneers

Starts on:

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2 days Left

GIA 3.12ct. radiant fancy brown green yellow diamonds platinum ring

147ct Natural Amethyst Citrine Diamonds Necklace Earrings Magnificent 18 Karat

GIA CERTIFIED 5.52CT CUSHION NATURAL FANCY YELLOW DIAMOND CLUSTER RING VVS1

Gems & Glamour: Fine Jewelry & Stones Auction

Ends from:

New York, NY, US

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