Antique & Vintage Gems for Sale in Online Auctions

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Michael Jordan Magic Johnson 1991-92 Upper Deck #34 PSA 10 Basketball Card: Michael Jordan Magic Johnson 1991-92 Upper Deck #34 PSA 10 Basketball Card This listing features a Michael Jordan vs. Magic Johnson 1991-92 Upper Deck #34 basketball card, encapsulated and graded Gem

2026

Michael Jordan Magic Johnson 1991-92 Upper Deck #34 PSA 10 Basketball Card

6.4ct Arkansas Blue Benitoite Cushion Cut No Reserve ASGL Certified: Arkansas blue Benitoite is found at the Diamond Jo Quarry in Magnet Cove, Hot Spring County, Arkansas.

2026

6.4ct Arkansas Blue Benitoite Cushion Cut No Reserve ASGL Certified

California Gemstones

12ct Brazilian Paraiba Neon Blue Tourmaline Oval Cut No Reserve EGL Certified: Investment-grade gemstone characterized by its intense, neon electric-blue to blue-green color, powered by copper trace elements. A stone of this size and origin is highly prized for its vibrant "neon

2026

12ct Brazilian Paraiba Neon Blue Tourmaline Oval Cut No Reserve EGL Certified

California Gemstones

7.35ct Ceylon JAVA PLUM! Cushion Cut No Reserve AGSL Certified: a rich, deep purplish-violet hue that mimics the color of a ripe Java plum (also known as Jamun or black plum). These stones often show a vibrant blend of purple and blue and are highly prized for the

2026

7.35ct Ceylon JAVA PLUM! Cushion Cut No Reserve AGSL Certified

California Gemstones

3.4ct Brazilian Aquamarine Oval Cut No Reserve AGSL Certified: Known for its high-quality, pale blue color, this size is chosen for its brilliance, with popular oval cuts maximizing light reflection. It is generally eye-clean.

2026

3.4ct Brazilian Aquamarine Oval Cut No Reserve AGSL Certified

California Gemstones

11.65ct Sri Lanka Deep Blue Sapphire Oval Cut No Reserve EGL Certified: premium gemstone, often featuring a vibrant, vivid, or royal blue color. Typically oval-cut, these gems are known for excellent clarity and high brilliance.

2026

11.65ct Sri Lanka Deep Blue Sapphire Oval Cut No Reserve EGL Certified

California Gemstones

6.20ct Royal Blue Tanzanite Trillion Cut No Reserve AGSL Certified: gemstone featuring intense blue-violet hues. This faceted stone exhibits a vibrant, modern triangular shape, ideal for statement jewelry. These gems typically show high-quality AAA color saturation an

2026

6.20ct Royal Blue Tanzanite Trillion Cut No Reserve AGSL Certified

California Gemstones

5.5ct Ceylon Light Blue Sapphire Trillion Cut No Reserve GGI Certified: A high-clarity gem originating from Sri Lanka, boasting superior brilliance and transparency. Trillion cuts enhance the bright, light blue tones, while Ceylon varieties are esteemed for their durabili

2026

5.5ct Ceylon Light Blue Sapphire Trillion Cut No Reserve GGI Certified

California Gemstones

7.5ct Royal Blue Tanzanite Oval Cushion Cut No Reserve EGL Certified: a highly coveted gem featuring deep, saturated violet-blue tones. The oval cushion cut combines a rounded oval shape with faceted, soft-cornered brilliance. This cut maximizes light play and brillianc

2026

7.5ct Royal Blue Tanzanite Oval Cushion Cut No Reserve EGL Certified

California Gemstones

11.40 Carat Sri Lankan Cornflower Blue Sapphire Trillion Cut EGL Certified: high-value gem featuring a rare, light-to-medium velvety "cornflower blue" color and a modern trillion (triangular) cut. Known for high clarity, this Sri Lankan origin stone often displays excellent b

2026

11.40 Carat Sri Lankan Cornflower Blue Sapphire Trillion Cut EGL Certified

California Gemstones

13.25ct Myanmar Deep Blue Sapphire Princess Cut No Reserve EGL Certified: known for intense, highly saturated midnight blue hues, often with slight violet undertones. A princess cut (square, brilliant-cut) on a gem this size is exceptionally rare, as such material is usuall

2026

13.25ct Myanmar Deep Blue Sapphire Princess Cut No Reserve EGL Certified

California Gemstones

9.06ct Ceylon Light Blue Sapphire Oval Cut No Reserve EGL Certified: Featuring a vivid,royal blue color. Known for high transparency and excellent luster, these gems are often heated to improve color or left unheated for higher value. Oval cuts enhance brilliance and a

2026

9.06ct Ceylon Light Blue Sapphire Oval Cut No Reserve EGL Certified

California Gemstones

10.9ct Royal Blue Tanzanite Heart Cut No Reserve EGL Certified: A large-sized investment piece. At this weight, it typically exhibits a deep, intense blue hue, which is the most sought-after color for this gem. he "Royal Blue" color, combined with a large carat we

2026

10.9ct Royal Blue Tanzanite Heart Cut No Reserve EGL Certified

California Gemstones

3.95ct Ceylon Java Plum Sapphire Oval Cut No reserve AGSL Certified: a rich blend of deep purple, violet, and blue this gem is high quality. This type of sapphire displays a deep, rich hue, often showcasing a mix of violet, purple, and blue tones, making it popular for

2026

3.95ct Ceylon Java Plum Sapphire Oval Cut No reserve AGSL Certified

California Gemstones

(18)Asst Rhinestone & Gemstone Brooches, Earrings, Pendant: Sterling Amethyst Earrings, Amethyst Gem Pendant, Bracelet, Asst Earrings & Brooches

2026

(18)Asst Rhinestone & Gemstone Brooches, Earrings, Pendant

A & A Auction Gallery

GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN: GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN

2026

GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

Frog w/ Baby Trinket Box: Bombay Frog with Baby frog on top enameled trinket w/ green gems. t box. Meas. 3"h x 4"w x 3 1/2"d. Excellent condition.

2026

Frog w/ Baby Trinket Box

HOOT N HOLLER AUCTIONS LLC

925 Silver 2ct Yellow Gem Ring: 925 Silver 2ct Yellow Gem Ring ****** Metal: 925 Silver / Main Stone: Yellow Gem / Color: Yellow / Carat Weight: 2 / Main Stone Size: 6*8mm / Ring Size: 18*20mm

2026

925 Silver 2ct Yellow Gem Ring

Genki Forest Auctions

1961 (P) US Silver Proof Franklin 50c (3): Three (3) 1961 United States silver proof Franklin half dollars (Philadelphia Mint). Per consigner, one is in GEM proof, proof and superb gem proof conditions. Metal 90% silver (ASW 1.085 ozt). *** Lo

2026

1961 (P) US Silver Proof Franklin 50c (3)

Lot 14 Auctions

US Lincoln Cent Error Coins (3): Three (3) United States Lincoln memorial cent error coins per consigner, incredibly popular in choice condition as follows: ---(1970-D) Lincoln cent from 1970-D mint bag struck 85% off-centered, GEM B

2026

US Lincoln Cent Error Coins (3)

Lot 14 Auctions

Natural Brown Snowflake Obsidian Gemstone 6 mm Round Smooth Plain Beads 10 Strand: Natural Brown Snowflake Obsidian Gemstone 6 mm Round Smooth Plain Beads 10 Strand Product Type : Loose Beads Strand Gemstone : Brown Snowflake Obsidian Beads Shape : Round Smooth Plain Beads Size :

2026

Natural Brown Snowflake Obsidian Gemstone 6 mm Round Smooth Plain Beads 10 Strand

Siddhi Gems & Jewels

Multi Tourmaline 4 MM Round Cabochon 25 Pieces: Natural Multi Tourmaline 4 MM Round Cabochon 25 Pieces Gemstone : Multi Tourmaline Shape : Round Size : 4 MM Color : Multi Color Type : Cabochon Quantity : 25 Pieces Weight

2026

Multi Tourmaline 4 MM Round Cabochon 25 Pieces

Siddhi Gems & Jewels

Natural Dragon Blood Jasper Gemstone 6 mm Round Smooth Plain Beads 10 Strand: Natural Dragon Blood Jasper Gemstone 6 mm Round Smooth Plain Beads 10 Strand Product Type : Loose Beads Strand Gemstone : Dragon Blood Jasper Beads Shape : Round Smooth Plain Beads Size : 6 mm

2026

Natural Dragon Blood Jasper Gemstone 6 mm Round Smooth Plain Beads 10 Strand

Siddhi Gems & Jewels

Red Garnet 4x4 MM Heart Faceted Cut 100 Pieces: Natural Red Garnet 4x4 MM Heart Faceted Cut 100 Pieces Gemstone : Red Garnet Shape : Heart Size : 4x4 MM Color : Red Type : Faceted Cut Quantity : 100 Pieces Weight : 2

2026

Red Garnet 4x4 MM Heart Faceted Cut 100 Pieces

Siddhi Gems & Jewels

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Gems Auctions

GIA Certified 35.63ct Natural Green Peridot Diamonds Rings 18kt *v

GIA CERTIFIED 18KT GOLD 7.82CT MARQUISE DIAMOND SAPPHIRE RING NO HEAT **v

20.17ct GIA Certified Natural No Heat Yellow Sapphire diamonds ring 18kt *V

Gems & Glamour: Fine Jewelry & Stones Auction

Chairish Auctions

Ends from:

New York, NY, US

SPECIAL JEWELRY SALE! SEE PHOTOS FOR DETAILS

UNITED STATES ARMY CABOCHON ROCK STONE LAPIDARY SPECIMEN

SPECIAL JEWELRY SALE! SEE PHOTOS FOR DETAILS

BARGAIN NIGHT! Antiques, Rocks, Gems

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

1 day Left

Limited Edition Beethoven Bust Bronze Sculpture by Thomas - 18" x 19"

Abstract Mosaic Artwork – Daisy Flower

Brass "S Guard" Wood Handled Damascus Bowie Hunting Knife

Hidden Gems: 1,000+ Exceptional Lots

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

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