Antique & Vintage Gems for Sale in Online Auctions

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2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

2026

2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC

ThousandPlanetSathorn, Bangkok

15.84ct Natural Mauritania Ruby Rough (Unheated), 78AM: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

15.84ct Natural Mauritania Ruby Rough (Unheated), 78AM

ThousandPlanetSathorn, Bangkok

17.14ct Natural Mauritania Ruby Rough (Unheated), 69AM: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

17.14ct Natural Mauritania Ruby Rough (Unheated), 69AM

ThousandPlanetSathorn, Bangkok

1.31 Carats Multi-Tone Star Sapphire Oval Cabochon - Natural Loose Gemstone, 39XC: This compact oval star sapphire presents a mesmerizing multi-tone display, with shifting hues of deep blue, subtle green, and soft grey tones that come alive under light. A bright, well-defined six-ra

2026

1.31 Carats Multi-Tone Star Sapphire Oval Cabochon - Natural Loose Gemstone, 39XC

ThousandPlanetSathorn, Bangkok

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA: This vibrant collection of Welo opals features a stunning variety of translucent body tones, from milky white and soft cream to warm honey and golden-orange, each adorned with vivid, shifting color pl

2026

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA

ThousandPlanetSathorn, Bangkok

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA: This luminous collection of Welo opals showcases a rich spectrum of warm and cool translucent body tones, from milky white and soft cream to honey and golden amber, each adorned with vivid, shifting c

2026

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA

ThousandPlanetSathorn, Bangkok

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE: Natural oval-faceted tanzanite gemstone, mined from the iconic Merelani Hills of Tanzania. This specimen exhibits a stunning, vivid blue-violet hue with subtle pleochroism, shifting between cool blue

2026

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE

ThousandPlanetSathorn, Bangkok

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ: This curated parcel of banded jasper cabochons showcases the earthy, organic beauty of this ancient stone, with swirling bands of warm beige, terracotta, and deep charcoal that evoke desert landscapes

2026

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ

ThousandPlanetSathorn, Bangkok

191.96 Carats Natural Garnet Rough Parcel, 37XE: This generous parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crystal

2026

191.96 Carats Natural Garnet Rough Parcel, 37XE

ThousandPlanetSathorn, Bangkok

Lot of 9 Grape Agate Mineral Specimens, 38AC: A group of nine natural grape agate specimens, each displaying characteristic botryoidal chalcedony formations in varying shades of purple, lavender, and greenish-blue. The surfaces are composed of de

2026

Lot of 9 Grape Agate Mineral Specimens, 38AC

ThousandPlanetSathorn, Bangkok

147.36 Carats Natural Garnet Rough Parcel, 40XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

147.36 Carats Natural Garnet Rough Parcel, 40XE

ThousandPlanetSathorn, Bangkok

17.63ct Natural Mauritania Ruby Rough (Unheated), 87XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

17.63ct Natural Mauritania Ruby Rough (Unheated), 87XA

ThousandPlanetSathorn, Bangkok

2.82 Carats Certified Orange Pink Sapphire - Natural Ceylon Gemstone, LZ113: This enchanting 2.82 carat oval faceted sapphire captivates with a delicate orange-pink hue, a rare and sought-after shade that evokes the soft glow of a tropical sunrise. The precision oval cut enhan

2026

2.82 Carats Certified Orange Pink Sapphire - Natural Ceylon Gemstone, LZ113

ThousandPlanetSathorn, Bangkok

Ethiopian Welo Opal Rough - Natural Unpolished Gemstone Lot, 15WS: A collection of natural Ethiopian Welo opal rough pieces, ranging in size from 1-3 cm and totaling 49.42 grams. The opals display characteristic milky to translucent base tones with vibrant, shifting

2026

Ethiopian Welo Opal Rough - Natural Unpolished Gemstone Lot, 15WS

ThousandPlanetSathorn, Bangkok

25.72ct Natural Mauritania Ruby Rough (Unheated), 78XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

25.72ct Natural Mauritania Ruby Rough (Unheated), 78XA

ThousandPlanetSathorn, Bangkok

129.02 Carats Natural Garnet Rough Parcel, 41XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

129.02 Carats Natural Garnet Rough Parcel, 41XE

ThousandPlanetSathorn, Bangkok

124.68 Carats Natural Garnet Rough Parcel, 39XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

124.68 Carats Natural Garnet Rough Parcel, 39XE

ThousandPlanetSathorn, Bangkok

1943 Silver Half Dollar GEM BU: 1943 Silver Half Dollar GEM BU

2026

1943 Silver Half Dollar GEM BU

Gold Standard AuctionsDallas, TX

1946 Silver Walking Liberty Half Dollar GEM BU: 1946 Silver Walking Liberty Half Dollar GEM BU

2026

1946 Silver Walking Liberty Half Dollar GEM BU

Gold Standard AuctionsDallas, TX

1941 Silver Walking Liberty Half Dollar GEM BU: 1941 Silver Walking Liberty Half Dollar GEM BU

2026

1941 Silver Walking Liberty Half Dollar GEM BU

Gold Standard AuctionsDallas, TX

1945 Silver Walking Liberty Half Dollar GEM BU: 1945 Silver Walking Liberty Half Dollar GEM BU

2026

1945 Silver Walking Liberty Half Dollar GEM BU

Gold Standard AuctionsDallas, TX

1946 Silver Walking Liberty Half Dollar GEM BU: 1946 Silver Walking Liberty Half Dollar GEM BU

2026

1946 Silver Walking Liberty Half Dollar GEM BU

Gold Standard AuctionsDallas, TX

Larry Bird Signed 1986 Fleer Stickers #2 Gem Mint 10 Beckett Authenticated: Larry Bird Signed 1986 Fleer Stickers #2 Gem Mint 10 Beckett Authenticated This remarkable 1986 Fleer Stickers #2 card showcases the legendary Larry Bird, personally signed and graded Gem Mint 10 by B

2026

Larry Bird Signed 1986 Fleer Stickers #2 Gem Mint 10 Beckett Authenticated

Mynt AuctionsNew York, NY

GEM RHODONITE 425 CARATS ROCK STONE LAPIDARY SPECIMEN: GEM RHODONITE 425 CARATS ROCK STONE LAPIDARY SPECIMEN — Part of our Discover The Grand Reveal, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES,

2026

GEM RHODONITE 425 CARATS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

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