Crystal Gems

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Natural Emerald 10 Ct Square Radiant Cut from Colombia: Natural Colombian emerald features a square radiant cut, blending intense green color with high brilliant-cut facets. Sourced from renowned Chivor mines, this gemstone is designed for maximum sparkle

2026

Natural Emerald 10 Ct Square Radiant Cut from Colombia

California GemstonesSan Diego, CA

Natural Green Emerald 1.33ct Mixed Oval Cut from Colombia IGI Certification No Reserve: featuring a deep green hue due to the region's unique geological conditions. It is cut into a mixed oval shape, enhancing its color and brilliance, and features inclusions, often described as "jardin"

2026

Natural Green Emerald 1.33ct Mixed Oval Cut from Colombia IGI Certification No Reserve

California GemstonesSan Diego, CA

6.5ct Myanmar Blood Red Ruby Cushion Cut GIE Certified No Reserve: Originating from the Mogok region, it features a vivid, deep-red hue ("pigeon's blood") with strong fluorescence. Such a large stone is highly valuable, characterized by rich color saturation. Split f

2026

6.5ct Myanmar Blood Red Ruby Cushion Cut GIE Certified No Reserve

California GemstonesSan Diego, CA

6.5ct Myanmar Blood Red Ruby Cushion Cut GIE Certified No Reserve: Originating from the Mogok region, it features a vivid, deep-red hue ("pigeon's blood") with strong fluorescence. Such a large stone is highly valuable, characterized by rich color saturation. Split f

2026

6.5ct Myanmar Blood Red Ruby Cushion Cut GIE Certified No Reserve

California GemstonesSan Diego, CA

Natural Almondine Garnet 1.58ct Fancy Cut from Sri Lanka IGI Certification No Reserve: Natural Almandine Garnet originating from Sri Lanka, featuring a Fancy Cut. Almandine is a historically significant variety of garnet, prized for its deep, rich red to purplish-red colors.

2026

Natural Almondine Garnet 1.58ct Fancy Cut from Sri Lanka IGI Certification No Reserve

California GemstonesSan Diego, CA

Natural Almondine Garnet 1.58ct Fancy Cut from Sri Lanka IGI Certification No Reserve: Natural Almandine Garnet originating from Sri Lanka, featuring a Fancy Cut. Almandine is a historically significant variety of garnet, prized for its deep, rich red to purplish-red colors.

2026

Natural Almondine Garnet 1.58ct Fancy Cut from Sri Lanka IGI Certification No Reserve

California GemstonesSan Diego, CA

Lot of 10 Amethyst 3ct Cushion Cut from Brazil VVS Dazzling Purple No reserve: These stones display a deep, vibrant purple color, high clarity (VVS - Very Very Slightly Included), and are known for excellent transparency. They are ideal for high-end jewelry, offering superior cr

2026

Lot of 10 Amethyst 3ct Cushion Cut from Brazil VVS Dazzling Purple No reserve

California GemstonesSan Diego, CA

Neon Blue Tourmaline 11ct modified Cushion Cut No Reserve GIE Certified: Neon blue tourmaline, particularly if it is a Paraíba tourmaline (copper-bearing), is exceptionally high due to its rarity, with high-quality specimens. This stone, often Paraiba-type or from premium

2026

Neon Blue Tourmaline 11ct modified Cushion Cut No Reserve GIE Certified

California GemstonesSan Diego, CA

Natural Blue Topaz 1.33ct Oval Cut from Brazil IGI Certification No Reserve: a faceted, oval-cut gemstone originating from Brazil. Features the signature deep, dark intense grayish-blue color. Renowned for being "eye-clean" (IF-VVS), this durable gem offers high brilliant-cut

2026

Natural Blue Topaz 1.33ct Oval Cut from Brazil IGI Certification No Reserve

California GemstonesSan Diego, CA

Natural Padparadscha Sapphire 6.10ct Round Cut from Ceylon: This natural Padparadscha Sapphire is exceptional! From Ceylon gemstone featuring a distinct pink-orange color mix resembling a lotus blossom. Cut to display high brilliance, this round cut gem is hig

2026

Natural Padparadscha Sapphire 6.10ct Round Cut from Ceylon

California GemstonesSan Diego, CA

Tanzanite 10pcs 7.5ct tcw Round Cut from Tanzania No reserve GGI Certified: eaturing a brilliant round cut. Sourced exclusively from the Merelani Hills near Arusha, Tanzania, these gems exhibit a rich violet-blue to deep blue hue, known for their exceptional rarity, trichrois

2026

Tanzanite 10pcs 7.5ct tcw Round Cut from Tanzania No reserve GGI Certified

California GemstonesSan Diego, CA

6.02ct Ceylon Green Sapphire Round Cut No Reserve GIE Certified: Features a vivid, rich green color and high transparency, originating from Sri Lanka. This rare, untreated, gem is characterized by excellent polish, high clarity, and a strong, vibrant color saturati

2026

6.02ct Ceylon Green Sapphire Round Cut No Reserve GIE Certified

California GemstonesSan Diego, CA

PATEK PHILIPPE, 18K GOLD & DIAMOND WATCH: This lot features an incredible 18k gold and diamond watch by Patek Philippe. Watch reference 3268/1, circa 1960 and accompanied with an appraisal from Pacific Gem Lab. This watch has a total weight o

2026

PATEK PHILIPPE, 18K GOLD & DIAMOND WATCH

Salem Auction HouseSalem, OR

Loose Diamond - OVAL 5.1ct E VVS2: Loose Diamond - OVAL 5.1ct E VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 5.1 Color: E Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - OVAL 5.1ct E VVS2

Diamond DepotNew York, NY

14k White Gold Bracelet w/ Diamonds & Various Gems: 7" long bracelet made with 14k euros. Decorated with approximately 288 melee diamonds and 24 colored gems. Lot 14 cannot confirm the specific types of gems used, but a simple electronic test suggested

2026

14k White Gold Bracelet w/ Diamonds & Various Gems

Lot 14 AuctionsNiles, IL

1916 - 1944 Silver World Coins (*CH to GEM BU), 6: Six (6) Finland and Philippines silver coins with estimated ASW of 0.4 troy ounce. *Per consigner, fully original in CH to GEM BU condition as follows: ---1916-s Finland silver 50 pennia (ASW 0.0615 o

2026

1916 - 1944 Silver World Coins (*CH to GEM BU), 6

Lot 14 AuctionsNiles, IL

U.S. Marine 18K Gold HGE Ring with Red Stone/Gem: U.S. Marine 18K Gold HGE Ring with Red Stone/Gem

2026

U.S. Marine 18K Gold HGE Ring with Red Stone/Gem

CATAMOUNT AUCTION CO LLCShelburne Falls, MA

1879-S Morgan Silver Dollar GEM BU: 1879-S Morgan Silver Dollar GEM BU

2026

1879-S Morgan Silver Dollar GEM BU

Gold Standard AuctionsDallas, TX

Ideal Loose Diamond - ROUND 2.24ct D VVS2: Ideal Loose Diamond - ROUND 2.24ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 2.24 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 2.24ct D VVS2

BidhausNew York, NY

Loose Diamond - Round 2.21ct D VVS2: Loose Diamond - Round 2.21ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: Round Carats: 2.21 Color: D Clarity: VVS2 Certification: IGI Condition: Pre-Owned PLEAS

2026

Loose Diamond - Round 2.21ct D VVS2

BidhausNew York, NY

Antique Gem-Set 900 Silver Lizard Form Brooch: Antique Gem-Set 900 Silver Lizard Form Brooch, with clear and green colored rhinestones, marked "900" to underside. Weight: 0.30 ozt.; 2.75" L x 1.75" W. Provenance: From a New York City Collection. K

2026

Antique Gem-Set 900 Silver Lizard Form Brooch

Auctions at ShowplaceAstoria, NY

5.27 Ct Natural Pinkish Red Ruby Lovely Heart Cut: Weight - 5.27 Ct / Size - 11.00 x 11.00 x 4.80 mm / Shape - Heart Cut / Color - Pinkish Red / Clarity - SI / Origin - Mozambique / Treatment - Color Enhanced by Glass Filling

2026

5.27 Ct Natural Pinkish Red Ruby Lovely Heart Cut

Gems AuctionBangkok, TH

2.26 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 2.26 Ct / Size - 14.50 x 7.10 x 4.90 mm / Shape - Pear Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

2.26 Ct Natural Black Flashing Fire Opal Pear Cab

Gems AuctionBangkok, TH

1.85 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.85 Ct / Size - 10.90 x 7.70 x 5.40 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.85 Ct Natural Black Flashing Fire Opal Oval Cut

Gems AuctionBangkok, TH

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24

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

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

4 days Left

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live28

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung Thep, TH

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