Hamilton Gems

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RUSSIAN SILVER ENAMEL DIAMONDS GEMS CROWN CUFFLINKS: A pair of Russian gilt silver chain-style cufflinks. The front parts represent Imperial crowns decorated with polychrome cloisonne enamel, diamond and gemstones cabochons. The backing is embellished w

2026

RUSSIAN SILVER ENAMEL DIAMONDS GEMS CROWN CUFFLINKS

Antique Arena Inc.Brooklyn, NY

Shaquille O'Neal Signed 1992 Stadium Club Beam Team Rookie Card Gem Mint 10 Beckett: Shaquille O'Neal Signed 1992 Stadium Club Beam Team Rookie Card Gem Mint 10 Beckett Elevate your collection with this gem, the 1992 Stadium Club Beam Team #21 Rookie Card, personally signed by basketb

2026

Shaquille O'Neal Signed 1992 Stadium Club Beam Team Rookie Card Gem Mint 10 Beckett

Mynt AuctionsNew York, NY

2.10 Carat --- Natural Brazilian Lavender Amethyst --- Heart Mixed Cut --- IGI Certified: A heart-shaped, mixed cut is a popular, romantic, and versatile gemstone option. Sourced from Brazil, which is famous for producing high-quality amethyst, this specific stone offers excellent clarity

2026

2.10 Carat --- Natural Brazilian Lavender Amethyst --- Heart Mixed Cut --- IGI Certified

California GemstonesOceanside, CA

9.2 Carat ----- Natural Burmese Blood Red Ruby ----- Cushion Cut ----- EGL Certified: An extraordinarily rare and high-value gemstone. Known for unrivaled saturation, natural fluorescence, and soft, brilliant faceting, such a large, flawless specimen from the Mogok Valley can command e

2026

9.2 Carat ----- Natural Burmese Blood Red Ruby ----- Cushion Cut ----- EGL Certified

California GemstonesOceanside, CA

7.00 Carat ---- Natural Colombian Emerald--- Brilliant Round Cut---- European Gem Lab Certified: An extraordinary high-end gemstone. These elite stones command premium value, prized for their vivid, hyper-saturated green hues sourced from legendary mines at Muzo.

2026

7.00 Carat ---- Natural Colombian Emerald--- Brilliant Round Cut---- European Gem Lab Certified

California GemstonesOceanside, CA

8.75 Carat ---- Natural Brazilian Aquamarine --- Emerald Square Cut ---- EGL Certified: a remarkable, investment-grade gemstone. Hailing from Brazil—the world’s premier source for high-quality beryl—its 8.75-carat weight gives it a substantial, eye-catching presence perfect for a l

2026

8.75 Carat ---- Natural Brazilian Aquamarine --- Emerald Square Cut ---- EGL Certified

California GemstonesOceanside, CA

5.80 Carat ---- Natural Montana Purple Sapphire---- Asscher Cut ---- ASGL Certified: An exceptional and mesmerizing gemstone. The Asscher cut creates a striking "hall of mirrors" effect with its clipped corners and step-cut facets, which perfectly complements the natural, earthy, and

2026

5.80 Carat ---- Natural Montana Purple Sapphire---- Asscher Cut ---- ASGL Certified

California GemstonesOceanside, CA

6.90 Carat -- Natural San Carlos Benionite---- Trillion Cut---- EGL Certified: The trillion cut is a unique, triangular shape that maximizes light return and sparkle. San Carlos Benitoite is California's official state gem. Finding a 6.90 ct rough piece that yields a nearly 7 ct

2026

6.90 Carat -- Natural San Carlos Benionite---- Trillion Cut---- EGL Certified

California GemstonesOceanside, CA

7.00 Carat ---- Colombian Emerald--- Brilliant Oval Cut---- European Gem Lab Certified: A prestigious gemstone. Featuring an elegant oval cut, it highlights the stone’s intense color while maximizing its brilliance and carat weight. Colombian emeralds are world-renowned for their pure,

2026

7.00 Carat ---- Colombian Emerald--- Brilliant Oval Cut---- European Gem Lab Certified

California GemstonesOceanside, CA

5.00 Carat ---- Natural Montana Purple Sapphire ----Round Cut ---- ASGL Certified: Yogo sapphires from Yogo Gulch are famous for their uniform clarity and deep violet-blue tones. Montana sapphires are famous for their unique color shifts (often showing both blue and purple/lavender)

2026

5.00 Carat ---- Natural Montana Purple Sapphire ----Round Cut ---- ASGL Certified

California GemstonesOceanside, CA

7.00 Carat ---- Natural Colombian Emerald--- Cushion Cut---- European Gem Lab Certified: An investment-grade gemstone. Renowned for its vivid, deep green color and velvety luster, the cushion cut perfectly accentuates the stone’s brilliance and minimizes internal reflections. These prem

2026

7.00 Carat ---- Natural Colombian Emerald--- Cushion Cut---- European Gem Lab Certified

California GemstonesOceanside, CA

7 Carat ---- Natural Colombian Green Emerald -- Emerald Cut --- European Gem Lab Certified: An investment-grade collector's stone. With its substantial size and striking blend of deep blue and vibrant violet hues, it is a highly sought-after centerpiece for custom high-end jewelry.

2026

7 Carat ---- Natural Colombian Green Emerald -- Emerald Cut --- European Gem Lab Certified

California GemstonesOceanside, CA

9.95 Carat ----Natural Brazilian Aquamarine -- Emerald Cut --- European Gem Lab Certified: An exceptional, investment-grade loose gemstone. Mined in Brazil—the world’s premier source for high-quality beryls—this stone’s rectangular emerald cut perfectly highlights its oceanic, paste

2026

9.95 Carat ----Natural Brazilian Aquamarine -- Emerald Cut --- European Gem Lab Certified

California GemstonesOceanside, CA

7.0 Carat ----Natural Colombian Emerald-- Cushion Cut --- European Gem Lab Certified: A highly prized and exceptional gemstone. Colombian emeralds are world-renowned for their pure, vivid green saturation and trace-element purity. The cushion cut combines a square or rectangular shape

2026

7.0 Carat ----Natural Colombian Emerald-- Cushion Cut --- European Gem Lab Certified

California GemstonesOceanside, CA

10.0 Carat ---- Natural Brazilian Aquamarine -- Asscher Cut --- European Gem Lab Certified: Brazilian Aquamarine cut into an Asscher shape is an exceptional collector-grade gemstone known for its striking geometric symmetry and icy clarity.

2026

10.0 Carat ---- Natural Brazilian Aquamarine -- Asscher Cut --- European Gem Lab Certified

California GemstonesOceanside, CA

10.25 Carat ---- Natural Kashmir Blue Sapphire---- Oval Cut ---- EGL Certified: A Kashmir blue sapphire is an extraordinarily high-value gemstone. Known for their iconic "cornflower blue" color and velvety texture, natural gems of this caliber can command anywhere from $40,000 at

2026

10.25 Carat ---- Natural Kashmir Blue Sapphire---- Oval Cut ---- EGL Certified

California GemstonesOceanside, CA

Loose 17.5 CT Trillion Cut Amethyst: Title: Loose 17.8 CT Trillion Cut Amethyst Gemstone Description: A loose trillion cut amethyst gemstone featuring a vibrant violet-pink hue and excellent transparency. The stone is meticulously crafte

2026

Loose 17.5 CT Trillion Cut Amethyst

1111 Jewelry Store, LLCOwens Cross Roads, AL

37.97ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 47FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

37.97ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 47FC

ThousandPlanetThung Wat Don, Sathorn, Bangkok

$1.67 Carats Natural Brazilian Soft Sky Blue Aquamarine Loose Gemstone, 40AG: This serene sky blue aquamarine carries smooth icy pale blue saturation with gentle light refracting across its polished facets, measured at 8.4x6.7x4.7mm, its cool tranquil tone lends effortless eleg$

2026

1.67 Carats Natural Brazilian Soft Sky Blue Aquamarine Loose Gemstone, 40AG

ThousandPlanetThung Wat Don, Sathorn, Bangkok

17.76ct Natural Australian Queensland Matrix Boulder Opal Rounded Square Cabochon, 74AV: Hand polished medium rounded square cushion cabochon crafted from natural Queensland matrix boulder opal, featuring warm speckled tan-brown ironstone matrix crisscrossed with thick vivid violet-purple

2026

17.76ct Natural Australian Queensland Matrix Boulder Opal Rounded Square Cabochon, 74AV

ThousandPlanetThung Wat Don, Sathorn, Bangkok

75.14ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 89AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

75.14ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 89AY

ThousandPlanetThung Wat Don, Sathorn, Bangkok

72ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 2FC: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2026

72ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 2FC

ThousandPlanetThung Wat Don, Sathorn, Bangkok

39.18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 48FC: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

39.18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 48FC

ThousandPlanetThung Wat Don, Sathorn, Bangkok

23.4ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 44AV: Hand polished freeform tapered trapezoid cabochon crafted from natural Queensland matrix boulder opal, featuring fine glitter-speckled warm brown ironstone host crisscrossed with vivid branching opal

2026

23.4ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 44AV

ThousandPlanetThung Wat Don, Sathorn, Bangkok

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Gems Auctions

Hand Painted Chinese Snuff Bottle w Lotus Design

Handmade Chinese Jade Snuff Bottle With Floral Accents & Red Stopper

Chinese Porcelain Snuff Bottle

1200+ Gems & Collectibles Auction

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

Rolex Oyster Perpetual 124300 41mm Green Dial Stainless Steel Box Papers

Chanel Bow Strap Card Holder on Chain Quilted Lambskin

1 oz Gold Bar PAMP Suisse Lady Fortuna Veriscan (In Assay) .9999 Fine

Gold, Gems & Memorabilia!!

Activity Auctions

Ends from:

Dover, DE, US

LE Kevin Francis Ceramics Salvador Dali Figural Vase

Vintage Coca-Cola Light-Up Advertising Countertop Clock

Vintage Italy Murano Style Decanter Set with Floral Motif

Hidden Gems & Estate Treasures

Matthew Bullock Auctioneers

Starts on:

Ottawa, IL, US

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