Antique & Vintage Gems for Sale in Online Auctions

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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

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

9.76 Carat Cambodian Pink Sapphire Oval Cut GGL Certified: Intense pink to vivid pink is highly desired. The color is the most important factor in determining value, with more saturated, hot-pink tones being the most valuable. While some inclusions are common

2026

9.76 Carat Cambodian Pink Sapphire Oval 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

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

19 Carat Chanthaburi Thailand Ruby Emerald Step Cut EGL Certified: Chanthaburi is known for producing darker rubies. Most Thai rubies are typically smaller, so a 19-carat specimen of gem quality is considered a major collector's piece. Chanthaburi is the historic hea

2026

19 Carat Chanthaburi Thailand Ruby Emerald Step Cut EGL Certified

California GemstonesSan Diego, CA

6.55 Carat Blood Red Ruby Brilliant Round Cut EGL Certified: High-value gemstone. Rubies over 5 carats in fine quality are considered "exceptional" and are significantly rarer than diamonds of a similar size. The "blood red" or "pigeon blood" designation refers

2026

6.55 Carat Blood Red Ruby Brilliant Round Cut EGL 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

5.3 Carat Colombian Emerald Oval Cut GIL Certified: Showcasing a vivid green color with high transparency, prized for its exceptional brilliance in an elongated shape. These gems exhibit minor oil treatment, highlighting superior clarity, and are frequ

2026

5.3 Carat Colombian Emerald Oval Cut GIL Certified

California GemstonesSan Diego, CA

6.55 carat tcw Myanmar Pigeon Blood Ruby Oval Cut 9 stones No Reserve, GIR Certified: 9 Stones. Highly coveted gem due to its rich, vivid color, often featuring high fluorescence. Nine-stone settings usually feature a large central Burmese ruby surrounded by eight smaller diamonds or a

2026

6.55 carat tcw Myanmar Pigeon Blood Ruby Oval Cut 9 stones No Reserve, GIR Certified

California GemstonesSan Diego, CA

*1.89cts Natural Million Year Old Baltic Insect Amber, 10x9mm , 11C: ThousandPlanet AuctionSubject: Natural Amber Origin: Lithuania Treatment: None

2026

*1.89cts Natural Million Year Old Baltic Insect Amber, 10x9mm , 11C

ThousandPlanetHunghom, Kowloon, HK

Lot of (5) 1964 90% Silver Washington Quarters BU/GEM: Lot of (5) 1964 90% Silver Washington Quarters BU/GEM - A premium grouping of five (5) 1964 Washington quarters, each struck in 90% silver and presented in Brilliant Uncirculated to Gem condition. As

2026

Lot of (5) 1964 90% Silver Washington Quarters BU/GEM

GWS Auctions Inc.Maitland, FL

Turquoise The Gem of the Centuries: Oscar T. Branson. 1975

2026

Turquoise The Gem of the Centuries

Davis Brothers AuctionMissoula, MT

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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

8 hrs 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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