Antique & Vintage Gems for Sale in Online Auctions

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Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain: Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Heart, Pear Gemstone Size : 9 MM, 7x5 MM Gemstone Quantity : 2 Pieces Diamond Type : Lab Grown Diamond Shape :

2026

Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain: Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 3 MM Gemstone Quantity : 11 Pieces Metal : Silver Metal Purity : 92.5 Sterling Silver Pen

2026

Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace: Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace Gemstone Shape : Pear Gemstone Size : 8x6 MM Gemstone Quantity : 1 Piece Diamond Type : Lab Grown Diamond Shape : Round Diamond

2026

Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Citrine Gemstone 92.5 Sterling Silver Pendant with Chain: Natural Citrine Gemstone 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 2.6 MM Gemstone Quantity : 11 Pieces Metal : Silver Metal Purity : 92.5 Sterling Silver P

2026

Natural Citrine Gemstone 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Garnet & Diamond 92.5 Sterling Silver Pendant with Chain: Natural Garnet & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 3 MM Gemstone Quantity : 1 Piece Diamond Type : Lab Grown Diamond Shape : Round Diamond C

2026

Natural Garnet & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace: Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace Gemstone Shape : Emerald Gemstone Size : 6 MM Gemstone Quantity : 1 Piece Diamond Type : Lab Grown Diamond Shape : Round Diamon

2026

Natural London Blue Topaz & Diamond 92.5 Sterling Silver Necklace

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Moonstone & Diamond 92.5 Sterling Silver Pendant with Chain: Natural Moonstone & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Pear, Round Gemstone Size : 7x5 MM, 4x3 MM, 3.5 MM Gemstone Quantity : 3 Pieces Diamond Type : Lab Grown Diamond Sh

2026

Natural Moonstone & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Aquamarine & Diamond 92.5 Sterling Silver Pendant with Chain: Natural Aquamarine & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 3x2 MM, 2 MM Gemstone Quantity : 6 Pieces, 13 Pieces Diamond Type : Lab Grown Diamond Shape

2026

Natural Aquamarine & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Lab Grown Emerald & Diamond 92.5 Sterling Silver Pendant with Chain: Lab Grown Emerald & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Oval Gemstone Size : 7x5 MM Gemstone Quantity : 1 Piece Diamond Type : Lab Grown Diamond Shape : Round Diamo

2026

Lab Grown Emerald & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain: Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 1.8 MM Gemstone Quantity : 18 Pieces Metal : Silver Metal Purity : 92.5 Sterling Silver P

2026

Natural Peridot Gemstone 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & JewelsJaipur, Rajasthan

10 PCs Chinese Hairpins & Nail Cover w/ Jade &Gems: Ten pieces of Chinese Jewelry: Six hairpins, two nail covers, and two pins with jade and gems. Each hairpin of varying length has an ornamental jade or metal display with a Chinese culture reference.

2026

10 PCs Chinese Hairpins & Nail Cover w/ Jade &Gems

Tenmoku AuctionsFairfield, NJ

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified: Characterized by a deep, vivid red color with slight fluorescence, originating from the Mogok region. This high-carat, untreated stone is prized for their saturated, fiery hue, exhibiting a round cut

2026

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified

California GemstonesSan Diego, CA

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified: Investment-grade gemstone combines exceptional size, a highly desirable origin, and a sophisticated geometric cut.

2026

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified

California GemstonesSan Diego, CA

21.10 Carat --- Green Tsavorite PAIR --- Emerald Step Cut ---GIR Certified: An emerald step cut is a world-class, exceptionally rare matching set of vibrant green grossular garnets.

2026

21.10 Carat --- Green Tsavorite PAIR --- Emerald Step Cut ---GIR Certified

California GemstonesSan Diego, CA

12.20 Carat --- Tsavorite PAIR --- Emerald Cut --- Certified: A exceptional and striking ensemble of matching, natural green garnets. Tsavorite is celebrated for its vivid, saturated hue, superior brilliance, and durability—often prized as a premium, naturally

2026

12.20 Carat --- Tsavorite PAIR --- Emerald Cut --- Certified

California GemstonesSan Diego, CA

9.00 Carat --- San Benito Benitoite --- Pear Cut --- AGSL Certified: A 9.00-carat San Benito Benitoite with a pear cut is an extraordinary and significant gemstone, as gem-quality benitoite over 2 carats is considered extremely rare. Benitoite is the official Californi

2026

9.00 Carat --- San Benito Benitoite --- Pear Cut --- AGSL Certified

California GemstonesSan Diego, CA

3.08 Carat --Brazilian Purple Amethyst -- Octogon Step Cut --IGI Certified: Brazilian purple amethyst, cut in an octagon step-cut style, is a high-clarity, vibrant gemstone typically sourced from the Rio Grande do Sul region of Brazil. Brazilian Amethyst is renowned for produ

2026

3.08 Carat --Brazilian Purple Amethyst -- Octogon Step Cut --IGI Certified

California GemstonesSan Diego, CA

5.50 Carat --- Ceylon Java Plum Sapphire --- Oval Cut --- AGSL Certified: A vibrant, purple-hued gemstone frequently sourced from Sri Lanka. The "Java Plum" variety is known for its intense, deep, purplish-violet color, often exhibiting a blend of purple and blue. Deep purp

2026

5.50 Carat --- Ceylon Java Plum Sapphire --- Oval Cut --- AGSL Certified

California GemstonesSan Diego, CA

10.35 Carat ---- Ceylon Morganite ---- Round Cut ---- EGL Certified: A high premium, substantial collector-sized loose gemstone known for its romantic pastel tones and exceptional symmetry. Sourced from the world-renowned gem fields of Sri Lanka (Ceylon), this impressi

2026

10.35 Carat ---- Ceylon Morganite ---- Round Cut ---- EGL Certified

California GemstonesSan Diego, CA

11.50 Carat -- Sri Lankan Pink Sapphire -- Round Cut ---EGL Certified: a substantial, high-clarity, round-cut gemstone typically characterized by a vibrant pink hue and excellent brilliance, often sourced from the Ratnapura region. These natural,Ceylon sapphires are favo

2026

11.50 Carat -- Sri Lankan Pink Sapphire -- Round Cut ---EGL Certified

California GemstonesSan Diego, CA

8.30 Carat --- Colombian Green Emerald --- Trillion Cut --- GGI Certified: A highly desirable gemstone, featuring a vibrant, vivid green hue. These high-carat gems are have refined cuts, offering exceptional clarity, brilliant luster, making them ideal for investment or luxu

2026

8.30 Carat --- Colombian Green Emerald --- Trillion Cut --- GGI Certified

California GemstonesSan Diego, CA

6.15 Carat --- Soft Sparkling Purple Amethyst --- Pear Cut --- IGI Certified: A substantial, tailored gemstone known for its clean, rectangular step-cut facets. Green quartz, often referred to in the trade as "emerald quartz," is a glassy, typically transparent variety of quart

2026

6.15 Carat --- Soft Sparkling Purple Amethyst --- Pear Cut --- IGI Certified

California GemstonesSan Diego, CA

10.00 Carat --- Ceylon Royal Blue Sapphire --- Oval Cut --- GGi Certified: Dark moody gem. An exceptional sapphire from Ceylon, featuring a vivid, deep royal blue color. Oval-cut for maximum brilliance, it often possesses eye-clean clarity, making it a rare, high-value gem.

2026

10.00 Carat --- Ceylon Royal Blue Sapphire --- Oval Cut --- GGi Certified

California GemstonesSan Diego, CA

10.45 Carat --- Sri Lankan Blue Sapphire PAIR --- Cushion Cut --- EGL Certified: A beautiful, high-value, and unheated, transparent pair of gems with intense to vivid blue color. These rare, high-clarity stones are sourced from the gem fields of Sri Lanka and are highly valued for

2026

10.45 Carat --- Sri Lankan Blue Sapphire PAIR --- Cushion Cut --- EGL Certified

California GemstonesSan Diego, CA

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