Antique & Vintage Gems for Sale in Online Auctions

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2018 Leaf Shohei Ohtani Limited Edition Rookie: An early 2018 Leaf #LE01 Shohei Ohtani card from his debut MLB season. Graded Gem Mint 10 by CCG. A foundational piece for any Ohtani collection, showcasing the "unicorn" in his iconic pitching follow

2026

2018 Leaf Shohei Ohtani Limited Edition Rookie

Alltrades AuctionLos Angeles, CA

Natural Blue Sapphire Lot 2.95ct Unheated Loose Gemstones: A refined lot of four natural blue sapphires with a total combined weight of 2.95 carats, presented as loose faceted gemstones in a variety of elegant cuts including oval and pear shapes. These sapphi

2026

Natural Blue Sapphire Lot 2.95ct Unheated Loose Gemstones

Chan & Scott Auction HouseLinghem, Ostergotland

ALGT Fancy Grayish Purplish Pink Diamond, 0.32 ct Radiant: Graded by the Antwerp Laboratory for Gemstone Testing (ALGT) on 30 August 2023, this natural diamond features a radiant cut and weighs 0.32 carats. The color is described as "Fancy Grayish Purplish Pi

2026

ALGT Fancy Grayish Purplish Pink Diamond, 0.32 ct Radiant

Chan & Scott Auction HouseLinghem, Ostergotland

Wonderful Perfectly Polished Amber Sphere on Stand: Wonderful natural fossilized polished amber mineral specimen with a custom wood stand. Amber is derived from resin-bearing trees that once clustered in dense, now extinct forests. Size 2" H, weight 85

2026

Wonderful Perfectly Polished Amber Sphere on Stand

Scollard AuctionsBrea, CA

Natural Yellow Lemon Quartz Gemstones 30.84 Ct. Oval Cabochon Shape 21 x 15.1 Mm.: Product ID: 805530021 Product Name: Natural Quartz Weight: 30.84 CT. Size: 21 x 15.1 x 13.6 MM. Shape: Oval Cabochon Color: Yellow Lemon Clarity:Semi - Transparent Luster: Good Gems Origin: Brazil Tre

2026

Natural Yellow Lemon Quartz Gemstones 30.84 Ct. Oval Cabochon Shape 21 x 15.1 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Green Tourmaline Gemstones 2.42 Ct. Octagon Shape 17.5 x 4.4 Mm.: Product ID: 807246693 Product Name: Natural Tourmaline Weight: 2.42 CT. Size: 17.5 x 4.4 x 3.1 MM. Shape: Octagon Color: Green Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal

2026

Natural Green Tourmaline Gemstones 2.42 Ct. Octagon Shape 17.5 x 4.4 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Pinkish Red Ruby Gemstones 0.49 Ct. Round Shape 4.9 Mm.: Product ID: 805935857 Product Name: Natural Ruby Weight: 0.49 CT. Size: 4.9 x 4.9 x 2.5 MM. Shape: Round Color: Pinkish Red Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Heated (Lead-gla

2026

Natural Pinkish Red Ruby Gemstones 0.49 Ct. Round Shape 4.9 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Yellow Sapphire Gemstones 0.97 Ct. Pear Shape 7.1 x 5.5 Mm.: Product ID: 806157621 Product Name: Natural Yellow Sapphire Weight: 0.97 CT. Size: 7.1 x 5.5 x 3.1 MM. Shape: Pear Color: Yellow Clarity:VS Luster: Very Good Gems Origin: Sri - Lanka Treatment: Heated

2026

Natural Yellow Sapphire Gemstones 0.97 Ct. Pear Shape 7.1 x 5.5 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Baby Blue Color Topaz Gemstones 22.71 Ct. Oval Shape 19.2 x 14.6 Mm.: Product ID: 807168509 Product Name: Natural Blue Topaz Weight: 22.71 CT. Size: 19.2 x 14.6 x 10.5 MM. Shape: Oval Shape Color: Baby Blue Color Clarity:VVS - VSI Luster: Very Good Gems Origin: Brazil T

2026

Natural Baby Blue Color Topaz Gemstones 22.71 Ct. Oval Shape 19.2 x 14.6 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Yellowish Green Tourmaline Gemstones 1.37 Ct. Round Shape 6.9 Mm.: Product ID: 807244062 Product Name: Natural Tourmaline Weight: 1.37 CT. Size: 6.9 x 6.9 x 4.3 MM. Shape: Round Color: Green Clarity:VVS Luster: Very Good Gems Origin: Nigeria Treatment: Unheated Cryst

2026

Natural Yellowish Green Tourmaline Gemstones 1.37 Ct. Round Shape 6.9 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Paraiba Color Apatite Gemstones 2.71 Ct. 5 Pcs. Round Shape 5.2 Mm.: Product ID: 800613770 Product Name: Natural Apatite Weight: 2.71 CT. Size: 5.2 x 5.2 x 3.5 MM. Shape: Round Color: Paraiba Color Clarity:SI1 Luster: Good Gems Origin: Tanzania Treatment: Unheated Crys

2026

Natural Paraiba Color Apatite Gemstones 2.71 Ct. 5 Pcs. Round Shape 5.2 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Purple Amethyst Gemstones 13.85 Ct. Pear Shape 19.1 x 17.6 Mm.: Product ID: 800320574 Product Name: Natural Amethyst Weight: 13.85 CT. Size: 19.1 x 17.6 x 7.5 MM. Shape: Pear Color: Purple Clarity:VSI Luster: Very Good Gems Origin: Brazil Treatment: Unheated Cryst

2026

Natural Purple Amethyst Gemstones 13.85 Ct. Pear Shape 19.1 x 17.6 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Smokey Quartz Gemstones 1.18 Ct. 2 Pcs. Round Shape 5.7 Mm.: Product ID: 805529930 Product Name: Natural Quartz Weight: 1.18 CT. Size: 5.7 x 5.7 x 3.3 MM. Shape: Round Color: Smokey Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unheated Crystal Struct

2026

Natural Smokey Quartz Gemstones 1.18 Ct. 2 Pcs. Round Shape 5.7 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Swiss Blue Topaz Gemstones 0.88 Ct. Round Shape 5.5 Mm.: Product ID: 807168119 Product Name: Natural Blue Topaz Weight: 0.88 CT. Size: 5.5 x 5.5 x 4 MM. Shape: Round Shape Color: Swiss Blue Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Treated Cry

2026

Natural Swiss Blue Topaz Gemstones 0.88 Ct. Round Shape 5.5 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Pink Tourmaline Gemstones 0.59 Ct. Marquise Shape 9.3 x 4.1 Mm.: Product ID: 807246427 Product Name: Natural Tourmaline Weight: 0.59 CT. Size: 9.3 x 4.1 x 2.4 MM. Shape: Marquise Color: Pink Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal

2026

Natural Pink Tourmaline Gemstones 0.59 Ct. Marquise Shape 9.3 x 4.1 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Orangish Red Songea Sapphire Gemstones 1.67 Ct. 14 Pcs. Round Shape 2.9 Mm.: Product ID: 806162344 Product Name: Natural Red Sapphire Weight: 1.67 CT. Size: 2.9 x 2.9 x 1.7 MM. Shape: Round Color: Orange Red Clarity:VVS - VSI Luster: Good Gems Origin: Tanzania Treatment: Heate

2026

Natural Orangish Red Songea Sapphire Gemstones 1.67 Ct. 14 Pcs. Round Shape 2.9 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Green Peridot Gemstones 1.26 Ct. 4 Pcs Round Shape 4 Mm.: Product ID: 805317132 Product Name: Natural Peridot Weight: 1.26 CT. Size: 4 x 4 x 2.9 MM. Shape: Round Color: Green Clarity:VSI - SI1 Luster: Good Gems Origin: Pakistan Treatment: Unheated Crystal St

2026

Natural Green Peridot Gemstones 1.26 Ct. 4 Pcs Round Shape 4 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Green Chrome Diopside Gemstones 1.02 Ct. Oval Shape 7.1 x 5.1 Mm.: Product ID: 801608139 Product Name: Natural Chrome Diopside Weight: 1.02 CT. Size: 7.1 x 5.1 x 3.6 MM. Shape: Oval Color: Green Clarity:VSI - SI1 Luster: Good Gems Origin: Russia Treatment: Unheated C

2026

Natural Green Chrome Diopside Gemstones 1.02 Ct. Oval Shape 7.1 x 5.1 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Purplish Pink Rhodolite Garnet Gemstones 1.75 Ct. 5 Pcs. Round Shape 4.5 Mm.: Product ID: 802936862 Product Name: Natural Rhodolite Weight: 1.75 CT. Size: 4.5 x 4.5 x 2.4 MM. Shape: Round Color: Purplish Pink Clarity:VSI Luster: Good Gems Origin: Madagascar Treatment: Unheated

2026

Natural Purplish Pink Rhodolite Garnet Gemstones 1.75 Ct. 5 Pcs. Round Shape 4.5 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Purple Sapphire Gemstones 1.33 Ct. Oval Shape 5.05 x 7.02 Mm.: Product ID: 806153998 Product Name: Natural Purple Sapphire Weight: 1.33 CT. Size: 5.05 x 7.02 x 3.91 MM. Shape: Oval Color: Purple Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Unheated

2026

Natural Purple Sapphire Gemstones 1.33 Ct. Oval Shape 5.05 x 7.02 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Swiss Blue Topaz Gemstones 6.13 Ct. 5 Pcs. Marquise Shape 10 x 5.2 Mm.: Product ID: 807168706 Product Name: Natural Blue Topaz Weight: 6.13 CT. Size: 10 x 5.2 x 3.8 MM. Shape: Marquise Shape Color: Swiss Blue Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Treated

2026

Natural Swiss Blue Topaz Gemstones 6.13 Ct. 5 Pcs. Marquise Shape 10 x 5.2 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Yellow Sapphire Gemstones 1.63 Ct. Oval Shape 7.2 x 6.3 Mm.: Product ID: 806151527 Product Name: Natural Yellow Sapphire Weight: 1.63 CT. Size: 7.2 x 6.3 x 4.3 MM. Shape: Oval Color: Yellow Clarity:VSI Luster: Very Good Gems Origin: Thailand Treatment: Heated C

2026

Natural Yellow Sapphire Gemstones 1.63 Ct. Oval Shape 7.2 x 6.3 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Imperial Topaz Gemstones 14.25 Ct. Pear Shape 18 x 12.2 Mm.: Product ID: 807169080 Product Name: Natural Topaz Weight: 14.25 CT. Size: 18 x 12.2 x 9.1 MM. Shape: Pear Shape Color: Imperial Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: None Crystal Str

2026

Natural Imperial Topaz Gemstones 14.25 Ct. Pear Shape 18 x 12.2 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Purplish Pink Ruby Gemstones 0.83 Ct. Oval Shape 6 x 5.4 Mm.: Product ID: 805927017 Product Name: Natural Ruby Weight: 0.83 CT. Size: 6 x 5.4 x 2.9 MM. Shape: Oval Color: Purplish Pink Clarity:VSI Luster: Good Gems Origin: Tanzania Treatment: Unheated Crystal St

2026

Natural Purplish Pink Ruby Gemstones 0.83 Ct. Oval Shape 6 x 5.4 Mm.

Treasure of Gems & JewelryLake Charles, LA

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