Antique & Vintage Gems for Sale in Online Auctions

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Natural Green Blueish Grandidierite 1.02 Ct. Oval Shape 6 x 5 Mm Gemstone from Madagascar: Product ID: 803100089 Product Name: Natural Tsavorite Weight: 1.02 CT. Size: 6 x 5 x 3.7 MM. Shape: Oval Shape Color: Green Blueish Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Unheated

2026

Natural Green Blueish Grandidierite 1.02 Ct. Oval Shape 6 x 5 Mm Gemstone from Madagascar

Treasure of Gems & JewelryLake Charles, LA

Natural Yellow Citrine 1.51 Ct. Trilliant Shape 8 Mm Gemstone From Brazil: Product ID: 801815067 Product Name: Natural Citrine Weight: 1.51 CT. Size: 8 x 8 x 4.7 MM. Shape: Trilliant Color: Yellow Clarity:IF Luster: Good Gems Origin: Brazil Treatment: Unheated Crystal Struct

2026

Natural Yellow Citrine 1.51 Ct. Trilliant Shape 8 Mm Gemstone From Brazil

Treasure of Gems & JewelryLake Charles, LA

Natural Orangish Red Garnet 2.41 Ct. 2Pcs Marquise Shape 5 x 10 Mm Gemstones From Tanzania: Product ID: 802936968 Product Name: Natural Garnet Weight: 2.41 CT. Size: 5 x 10 x 3.4 MM. Shape: Marquise Shape Color: Orangish Red Clarity:VVS - VSI Luster: Good Gems Origin: Tanzania Treatment: Unh

2026

Natural Orangish Red Garnet 2.41 Ct. 2Pcs Marquise Shape 5 x 10 Mm Gemstones From Tanzania

Treasure of Gems & JewelryLake Charles, LA

Natural London Blue Topaz 3.96 Ct. Cushion Shape 9.9 x 8 Mm Gemstone from Brazil: Product ID: 807168338 Product Name: Natural Blue Topaz Weight: 3.96 CT. Size: 9.9 x 8 x 5.9 MM. Shape: Cushion Shape Color: London Blue Clarity:VVS - VSI Luster: Good Gems Origin: Brazil Treatment: Tr

2026

Natural London Blue Topaz 3.96 Ct. Cushion Shape 9.9 x 8 Mm Gemstone from Brazil

Treasure of Gems & JewelryLake Charles, LA

Natural Swiss Blue Topaz 3.25 Ct. 2 Pcs VVS Round Shape 7.2 Mm. Gemstone from Brazil: Product ID: 807169058 Product Name: Natural Blue Topaz Weight: 3.25 CT. Size: 7.2 x 7.2 x 4.9 MM. Shape: Round Shape Color: Swiss Blue Clarity:VVS Luster: Very Good Gems Origin: Brazil Treatment: Trea

2026

Natural Swiss Blue Topaz 3.25 Ct. 2 Pcs VVS Round Shape 7.2 Mm. Gemstone from Brazil

Treasure of Gems & JewelryLake Charles, LA

Natural Multi Color Green Turquoise 1.71 Ct. Round Shape Cabochon 9.5 Mm Gemstone from india: Product ID: 809100026 Product Name: Natural Gemstones Weight: 1.71 CT. Size: 9.5 x 9.5 x 2.8 MM. Shape: Round Cabochon Color: Multi Color Green Clarity:Opaque Luster: Good Gems Origin: India Treatment

2026

Natural Multi Color Green Turquoise 1.71 Ct. Round Shape Cabochon 9.5 Mm Gemstone from india

Treasure of Gems & JewelryLake Charles, LA

Natural Yellow Lemon Quartz 5.62 Ct. Round Diamond Cut 12.3 Mm Gemstone From Brazil: Product ID: 805530143 Product Name: Natural Quartz Weight: 5.62 CT. Size: 12.3 x 12.3 x 7.8 MM. Shape: Round Diamond Cut Color: Yellow Lemon Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unh

2026

Natural Yellow Lemon Quartz 5.62 Ct. Round Diamond Cut 12.3 Mm Gemstone From Brazil

Treasure of Gems & JewelryLake Charles, LA

6.47 Carats Watermelon Bi-Color Tourmaline Half-Moon Fancy - Natural Nigerian Stone, 34XP: This striking half-moon fancy-cut tourmaline showcases a vivid watermelon bi-color pattern, with a deep raspberry-pink core framed by a crisp, pale olive-green border. Measuring precisely at 16.8 x 10

2026

6.47 Carats Watermelon Bi-Color Tourmaline Half-Moon Fancy - Natural Nigerian Stone, 34XP

Lazo HeritageSathorn, Bangkok

5.93 Carats Midnight Mist Star Sapphire Oval Cabochon - Natural Loose Gemstone, 21XC: This striking oval cabochon star sapphire features a moody, multi-tonal midnight blue hue, with soft misty grey and subtle green undertones creating a nebula-like visual depth. A bright, six-rayed sta

2026

5.93 Carats Midnight Mist Star Sapphire Oval Cabochon - Natural Loose Gemstone, 21XC

Lazo HeritageSathorn, Bangkok

Vintage Sterling Silver Multi Color Gem Stones Bracelet 7" 20 Grams: Vintage Sterling Silver Multi Color Gem Stones Bracelet 7" 20 Grams Please view all photos as they are part of the description and condition of this Item, Feel free to contact me with questions or pic

2026

Vintage Sterling Silver Multi Color Gem Stones Bracelet 7" 20 Grams

Annzstiques Auction HouseNorth Babyon, NY

1849 Braided Hair Large Cent GEM PROOF: 1849 Braided Hair Large Cent GEM PROOF

2026

1849 Braided Hair Large Cent GEM PROOF

Gold Standard AuctionsDallas, TX

2024 Ascension Island 1oz Silver Dollar GEM BU: 2024 Ascension Island 1oz Silver Dollar GEM BU

2026

2024 Ascension Island 1oz Silver Dollar GEM BU

Gold Standard AuctionsDallas, TX

LARGE CARVED & GEM-SET ROCK CRYSTAL MODEL OF A SKULL: Carved rock crystal model of a skull, mounted with gilt metal filigree and semi-precious stones, approx 6.5"h, 4.5"w, 8"d, 10lbs

2026

LARGE CARVED & GEM-SET ROCK CRYSTAL MODEL OF A SKULL

Austin Auction GalleryAustin, TX

1950-B $10 Federal Reserve Note Richmond PMG Gem CU66 EPQ: 1950-B $10 Federal Reserve Note Richmond PMG Gem CU66 EPQ This 1950-B $10 Federal Reserve Note from the Richmond district (E-B Block) is a stunning piece with exceptional eye appeal. Graded as Gem CU6

2026

1950-B $10 Federal Reserve Note Richmond PMG Gem CU66 EPQ

Mynt AuctionsNew York, NY

1977-A $10 Atlanta Federal Reserve Note PCGS Gem CU66 PPQ F-B Block: 1977-A $10 Atlanta Federal Reserve Note PCGS Gem CU66 PPQ F-B Block This is a 1977-A $10 Federal Reserve Note from the Atlanta district, featuring the F-B block. Certified by PCGS as Gem CU66 PPQ, thi

2026

1977-A $10 Atlanta Federal Reserve Note PCGS Gem CU66 PPQ F-B Block

Mynt AuctionsNew York, NY

10.40 Carat Teal Tourmaline Trillion Cut GGL Certified: A 10.40-carat teal tourmaline in a trillion cut is a substantial and striking gemstone. The trillion cut is a triangular shape that maximizes brilliance, making it a bold, modern choice. Teal tourmali

2026

10.40 Carat Teal Tourmaline Trillion Cut GGL Certified

California GemstonesSan Diego, CA

7.85 Carat Ceylon Pink Sapphire Brilliant Emerald Step Cut GGI Certified: exceptional, high-carat gemstone, likely originating from Ceylon, a region renowned for producing high-quality pink sapphires with excellent clarity and intense, vivid color saturation. The emerald st

2026

7.85 Carat Ceylon Pink Sapphire Brilliant Emerald Step Cut GGI Certified

California GemstonesSan Diego, CA

7.10 Carat Pink Sapphire Trillion Cut EGL Certified: Characterized by its triangular shape and brilliant, faceted cut. These stones are often sourced from Sri Lanka (Ceylon) and are frequently described as having a light to medium pink hue, often with e

2026

7.10 Carat Pink Sapphire Trillion Cut EGL Certified

California GemstonesSan Diego, CA

12.10 Carat Teal Tourmaline Trillion Cut EGL Certified: featuring a vibrant, bluish-green color reminiscent of Paraiba tourmaline. Sourced from regions like Brazil or Africa. A stone of this size and cut is highly sought after for collector-grade pieces or

2026

12.10 Carat Teal Tourmaline Trillion Cut EGL Certified

California GemstonesSan Diego, CA

11 Carat PAIR Emerald Emerald Cut EGL Certified: Rectangular, step-cut facets, offering a dramatic "hall-of-mirrors" effect rather than intense sparkle. These stones typically display a long, linear, and geometric appearance with truncated corners.

2026

11 Carat PAIR Emerald Emerald Cut EGL Certified

California GemstonesSan Diego, CA

28mm Burmese Amber Pear Cut "Biting Midge": Prehistoric biting midges (Ceratopogonidae) found in ~99-million-year-old Cretaceous Burmese amber (burmite) are exceptionally preserved, revealing ancient blood-feeding behaviors. These inclusions, o

2026

28mm Burmese Amber Pear Cut "Biting Midge"

California GemstonesSan Diego, CA

10.30 Carat Madagascar Grandidierite Oval Cut GGL Certified: displaying a rich bluish-green to teal color in an oval cut. Renowned for its extreme rarity, it is a Magnesium Aluminum Borosilicate with a high hardness (7.5 on the Mohs scale), making it durable fo

2026

10.30 Carat Madagascar Grandidierite Oval Cut GGL Certified

California GemstonesSan Diego, CA

11.40 Carat Ceylon Pink Sapphire Oval Cut EGL Certified: A high-clarity, naturally sourced gemstone from Sri Lanka (Ceylon), often characterized by a vibrant pink to hot pink hue and excellent transparency. It is typically a large, eye-clean stone, often fe

2026

11.40 Carat Ceylon Pink Sapphire Oval Cut EGL Certified

California GemstonesSan Diego, CA

6.3 Carat Brazilian Royal Aquamarine Emerald Step Cut EGL Certified: Originating from Minas Gerais. Tremendous clarity despite "rain inclusions". Fancy-cut faceting designed to maximize brilliance. The term "Royal Aquamarine" is often associated with the significant, r

2026

6.3 Carat Brazilian Royal Aquamarine Emerald Step Cut EGL Certified

California GemstonesSan Diego, CA

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