Antique & Vintage Gems for Sale in Online Auctions

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Stud Earrings Creation Diamond 6.00CT18k W/G Overlay: Gem Type: Creation, White Diamond item: 1 pair Clarity: VS1 Color: F Weight: 6.00 Carat Stone Size: 9 mm x 9 mm x Deep 6mm Shaped: Round Brilliant Setting: 4 prong Polish: Excellent Back

2026

Stud Earrings Creation Diamond 6.00CT18k W/G Overlay

M.D.CHJewelry Co.Fort Worth, TX

10K Yellow Gold Multi-Gem Ring: Total weight of 4 grams, size 7

2026

10K Yellow Gold Multi-Gem Ring

Matthew Bullock AuctioneersOttawa, IL

P Signed 10K White Gold Multi-Gem Ring: Total weight of 3.4 grams, size 7

2026

P Signed 10K White Gold Multi-Gem Ring

Matthew Bullock AuctioneersOttawa, IL

THL Signed 10K Yellow Gold Multi-Gem Pendant: Total weight of 1.5 grams, size 3/4 inches H x 1/4 inches W, features garnet, peridot and Citrine

2026

THL Signed 10K Yellow Gold Multi-Gem Pendant

Matthew Bullock AuctioneersOttawa, IL

Prospectors Gold and Gems 2 oz .999 Silver Ingot/ Bar: Prospectors Gold and Gems 2 oz .999 Silver Ingot/ Bar

2026

Prospectors Gold and Gems 2 oz .999 Silver Ingot/ Bar

Matthew Bullock AuctioneersOttawa, IL

10.40 Carat ---- Ceylon Cinnamon Brown Sapphire --- Heart Cut: Warm "cinnamon" earth tones and romantic heart-shaped cut. Sourced from the prestigious mines of Sri Lanka (Ceylon), these sapphires are highly valued for their exceptional clarity and distinctive col

2026

10.40 Carat ---- Ceylon Cinnamon Brown Sapphire --- Heart Cut

California GemstonesSan Diego, CA

10 Carat ---- Brazilian Tourmaline ---- Fancy Cut: A fancy cut is an exceptionally rare, collector-grade gemstone characterized by an intense, electric cyan or neon blue hue, often with subtle green undertones. These stones possess high luminosity, so

2026

10 Carat ---- Brazilian Tourmaline ---- Fancy Cut

California GemstonesSan Diego, CA

9.5 Carat ---- Montana Blue Sapphire ---- Square Step Cut: Known for its delicate, calming sky-to-cornflower blue hue and outstanding luster, this Montana-mined corundum delivers both structural elegance and historical significance.

2026

9.5 Carat ---- Montana Blue Sapphire ---- Square Step Cut

California GemstonesSan Diego, CA

7.60 Carat ---- Ceylon Pink Sapphire ---- Fancy Cut---- EGL Certified: A substantial, rare, and striking gemstone. These are often described as having a vibrant, intense pink hue, frequently originating from Ceylon and designed with unique, non-traditional shapes to maxi

2026

7.60 Carat ---- Ceylon Pink Sapphire ---- Fancy Cut---- EGL Certified

California GemstonesSan Diego, CA

9.95 Carat -- Russian Deep Purple Alexandrite --- Trillion Cut: Russian Alexandrite with a Trillion Cut is a mesmerizing gemstone. Known for color change from deep purple to steel gray.

2026

9.95 Carat -- Russian Deep Purple Alexandrite --- Trillion Cut

California GemstonesSan Diego, CA

4.70 Carat --- Natural Jeremejevite --- Emerald Cut----AGSL Certified: Exceptionally rare and valuable collector's item. Because this gemstone is rarely found in sizes over 1-2 carats, a stone of this size with high clarity is considered top-tier.

2026

4.70 Carat --- Natural Jeremejevite --- Emerald Cut----AGSL Certified

California GemstonesSan Diego, CA

6.40 Carat ---- Ceylon Blue Sapphire ---- Brilliant Oval----AGSL Certified: Ceylon gems are globally celebrated for their bright, luminous color and superior clarity, making this size perfect for high-end statement rings or heirloom pendants.

2026

6.40 Carat ---- Ceylon Blue Sapphire ---- Brilliant Oval----AGSL Certified

California GemstonesSan Diego, CA

Pear Cut Red Topaz (7x5mm) Rose GP Earrings With White Topaz Crown Mount: Pear Cut Red Topaz (7x5mm) Rose GP Earrings With White Topaz Crown Mount PRODUCT TYPEEARRINGS TYPE OF METAL925 STERLING SILVER PLATE14K ROSE GOLD MAIN STONE: RED TOPAZ OTHER GEMS: WHITE TOPAZ TOTAL WE

2026

Pear Cut Red Topaz (7x5mm) Rose GP Earrings With White Topaz Crown Mount

Weatherham Estate TreasuresCobourg, ON

Oval Cut Yellow Sapphire (7x5mm) Center Stone Pendant With White Topaz Crown Pendant: Oval Cut Yellow Sapphire (7x5mm) Center Stone Pendant With White Topaz Crown Pendant TYPE OF METAL: 925 STERLING SILVER PLATE: 14K WHITE GOLD LENGTH: 18 Inches MAIN STONE: YELLOW SAPPHIRE OTHER GEMS:

2026

Oval Cut Yellow Sapphire (7x5mm) Center Stone Pendant With White Topaz Crown Pendant

Weatherham Estate TreasuresCobourg, ON

Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1: Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION MODIFIED Carats: 2.04 Color: Fancy Vivid Pink Certific

2026

Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1

Mynt AuctionsNew York, NY

Loose Diamond - OVAL 2.02ct D VVS2: Loose Diamond - OVAL 2.02ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 2.02 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - OVAL 2.02ct D VVS2

Mynt AuctionsNew York, NY

3.9g Sterling Silver Butterfly Gem Ring Vintage: Sterling silver butterfly ring featuring an openwork design accented with multicolor gemstones, including blue, yellow, and purple stones. Weighs 3.9 grams. Delicate vintage-inspired piece with attrac

2026

3.9g Sterling Silver Butterfly Gem Ring Vintage

Sphere Auctions LLCSun Prarie, WI

A Collection of Approximately 17 Loose Gemstones, Appears to be Amethyst: This lot consists of a collection of approximately 17 loose gemstones that appear to be amethyst. The stones exhibit a range of purple shades, including light lilac, pale lavender, and deep violet. No

2026

A Collection of Approximately 17 Loose Gemstones, Appears to be Amethyst

Palmer's Auction CoCampbell, NY

1957 - 1963 US Silver Washington 25c (*Gem Prf), 4: Four (4) United States silver proof Washington quarters (Philadelphia Mint). *Per consigner, from original proof sets chosen for their quality in gem proof condition as follows: ---1957 (P), ---1958 (

2026

1957 - 1963 US Silver Washington 25c (*Gem Prf), 4

Lot 14 AuctionsNiles, IL

Insert Relic Baseball Basketball Cards (14): Fourteen (14) insert and / or relic trading cards (12 baseball, 2 basketball). 2000-01 Fleer Premium #24 Al Harrington autograph card (graded by Beckett as NM-MT 8) *** 2003 topps Pristine Gems #GEM-M

2026

Insert Relic Baseball Basketball Cards (14)

Lot 14 AuctionsNiles, IL

2000s, '02s, '05s US 90%-Silv Proof Kennedy 50c, 3: Three (3) United States 90% silver proof Kennedy half dollars (San Francisco Mint). *Per consigner, gem proof with incredible mirror surfaces. Metal 90% silver (ASW 0.3617 ozt each). Each mintages bel

2026

2000s, '02s, '05s US 90%-Silv Proof Kennedy 50c, 3

Lot 14 AuctionsNiles, IL

A collection of gem-set stickpins: A collection of gem-set stickpins comprising 20 stickpins variously set with stones including seed pearls, cultured pearls, river pearls, mother-of-pearl, diamonds, opal, lapis, ruby, and agate, with

2026

A collection of gem-set stickpins

Clars AuctionsOakland, CA

Two antique gem-set and gold rings: Two antique gem-set and gold rings Comprising one 15k gold ring set with seven round-cut garnets, accented by seed pearls and intricate filigree, together with one 18k gold ring set with three round-c

2026

Two antique gem-set and gold rings

Clars AuctionsOakland, CA

Amethyst Gem Tree Sculpture on Crystal Cluster Base: Striking decorative gemstone bonsai tree sculpture featuring polished amethyst crystal leaves wired onto golden branches, with a hand-crafted resin or natural wood trunk. The tree is rooted in a beaut

2026

Amethyst Gem Tree Sculpture on Crystal Cluster Base

Coral Gables AuctionCoral Gables, FL

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Gems Auctions

Regal White Horse and Golden Carriage Trinket Box

Emerald Cut Blue Iolite Sterling Silver Ring

Set of 6 Murano Murrine Goto Glasses

1200+ Gallery, Gems & Collectibles

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

ANGEL AURA AMETHYST DISPLAY ROCK STONE LAPIDARY SPECIMEN

SHARK TOOTH IN MATRIX ROCK STONE LAPIDARY SPECIMEN

MIXED ROUGH LOT ROCK STONE LAPIDARY SPECIMEN

EARTH TREASURES Minerals Specimens Gems

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

A Pair of Stunning Art Deco style 18K White Gold Emerald Ruby and Diamond Hanging Earrings

An Art Deco Platinum Diamond and Onyx Ring

An Impressive Art Deco Platinum Diamond and Sapphire Bracelet

Summer Sparkle - Jewelry Gems and Timepieces

Alma Auctioneers

Starts on:

Tel Aviv, Tel Aviv, IL

7 days Left

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