Ruby Gems

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2.30Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 544E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

2.30Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 544E

Ksmith Heritage Auctioneers

Est. US$50-US$125

Featured

*19.50Ct Calibrated 7x5mm Faceted Welo Opal Set - Ethiopian Opal, 135E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*19.50Ct Calibrated 7x5mm Faceted Welo Opal Set - Ethiopian Opal, 135E

Ksmith Heritage Auctioneers

Est. US$130-US$325

Featured

*10.44Ct Welo Opal Polished - Ethiopian Opal, 422E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*10.44Ct Welo Opal Polished - Ethiopian Opal, 422E

Ksmith Heritage Auctioneers

Est. US$290-US$725

Featured

6.62cts Natural Watermelon Tourmaline Set - Bi-Colour Faceted Cut, 675E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

6.62cts Natural Watermelon Tourmaline Set - Bi-Colour Faceted Cut, 675E

Ksmith Heritage Auctioneers

Est. US$90-US$225

Star Gemstones, Chatoyant: Pretty assortment of various star gemstones. Includes star sapphire, star diopside, cat's eye tourmaline and what appears to be star ruby (in box marked corundum). All will come in cases as shown.

Mar 29, 2026

Star Gemstones, Chatoyant

GOLDEN SUN AUCTIONS, Inc.

Est. US$40-US$100

Natural Ruby Gemstones: Lot is five gorgeous loose rubies. There are four round and one oval. Will come in cases as shown.

Mar 29, 2026

Natural Ruby Gemstones

GOLDEN SUN AUCTIONS, Inc.

Est. US$60-US$120

Three Natural Ruby Gemstones with Lab Reports: 1.46 carat loose natural pink ruby, oval cut, no evidence of heat enhancement, SLP Gem Laboratory Bangkok. 2.05 carat loose OM/Fancy cut red natural ruby, no evidence of thermal treatment, Gemological

Apr 09, 2026

Three Natural Ruby Gemstones with Lab Reports

Cordier Auctions

Est. US$200-US$400

*14.58Ct Dark Base Snake Skin Welo Opal Polished - Ethiopian Opal, 144E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*14.58Ct Dark Base Snake Skin Welo Opal Polished - Ethiopian Opal, 144E

Ksmith Heritage Auctioneers

Est. US$1,710-US$4,275

*14.86Ct Unheated Welo Opal Polished - Ethiopian Opal, 1250B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*14.86Ct Unheated Welo Opal Polished - Ethiopian Opal, 1250B

Ksmith Heritage Auctioneers

Est. US$1,450-US$3,625

*19.88Ct Welo Opal Polished - Ethiopian Opal, 156E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*19.88Ct Welo Opal Polished - Ethiopian Opal, 156E

Ksmith Heritage Auctioneers

Est. US$550-US$1,375

*23.98Ct Unheated Welo Opal Polished - Ethiopian Opal, 442E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*23.98Ct Unheated Welo Opal Polished - Ethiopian Opal, 442E

Ksmith Heritage Auctioneers

Est. US$970-US$2,425

4.90Ct Tanzanite Faceted - Oval Polished , 768B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

4.90Ct Tanzanite Faceted - Oval Polished , 768B

Ksmith Heritage Auctioneers

Est. US$310-US$775

Featured

2.05Ct Welo Black Opal Polished - Ethiopian Opal, 159E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

2.05Ct Welo Black Opal Polished - Ethiopian Opal, 159E

Ksmith Heritage Auctioneers

Est. US$90-US$225

Featured

*12.25Ct Dark Base Welo Opal Polished - Ethiopian Opal, 637E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*12.25Ct Dark Base Welo Opal Polished - Ethiopian Opal, 637E

Ksmith Heritage Auctioneers

Est. US$310-US$775

Featured

*4.45Ct Welo Opal Polished - Ethiopian Opal, 514B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*4.45Ct Welo Opal Polished - Ethiopian Opal, 514B

Ksmith Heritage Auctioneers

Est. US$110-US$275

Featured

3.28Ct Welo Black Opal Polished - Ethiopian Opal, 338B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

3.28Ct Welo Black Opal Polished - Ethiopian Opal, 338B

Ksmith Heritage Auctioneers

Est. US$90-US$225

*17.28Ct Unheated Welo Opal Polished - Ethiopian Opal, 431E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*17.28Ct Unheated Welo Opal Polished - Ethiopian Opal, 431E

Ksmith Heritage Auctioneers

Est. US$890-US$2,225

Ruby Gemstone with Lab Report: 1.18 carat pinkish red octagonal natural ruby with evidence of heat enhancement. The laboratory report is TGL Tokyo Gem Laboratory (Thailand) Co., Ltd. From a selection of fine gemstones of a retiring

Apr 09, 2026

Ruby Gemstone with Lab Report

Cordier Auctions

Est. US$100-US$200

*28.11Ct Welo Opal Polished - Ethiopian Opal, 14E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*28.11Ct Welo Opal Polished - Ethiopian Opal, 14E

Ksmith Heritage Auctioneers

Est. US$710-US$1,775

*24.06Ct Welo Opal Polished - Ethiopian Opal, 528E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*24.06Ct Welo Opal Polished - Ethiopian Opal, 528E

Ksmith Heritage Auctioneers

Est. US$670-US$1,675

*24.41Ct Welo Opal Polished - Ethiopian Opal, 924E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*24.41Ct Welo Opal Polished - Ethiopian Opal, 924E

Ksmith Heritage Auctioneers

Est. US$670-US$1,675

*23.48Ct Welo Opal Polished - Ethiopian Opal, 478E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*23.48Ct Welo Opal Polished - Ethiopian Opal, 478E

Ksmith Heritage Auctioneers

Est. US$670-US$1,675

*22.76Ct Welo Opal Polished - Ethiopian Opal, 396E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*22.76Ct Welo Opal Polished - Ethiopian Opal, 396E

Ksmith Heritage Auctioneers

Est. US$590-US$1,475

IGI Certified 2.97Ct Tanzanite - Polished Faceted - Triangular Faceted, 1052E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

IGI Certified 2.97Ct Tanzanite - Polished Faceted - Triangular Faceted, 1052E

Ksmith Heritage Auctioneers

Est. US$350-US$875

Featured

19.35Ct Special Cut Pink Topaz Pair - Polished Faceted, 925E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

19.35Ct Special Cut Pink Topaz Pair - Polished Faceted, 925E

Ksmith Heritage Auctioneers

Est. US$170-US$425

Featured

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1007B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1007B

Ksmith Heritage Auctioneers

Est. US$50-US$125

143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm: 143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm Shipping Rate: FREE SHIPPING .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on

3 days Left

143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm

Fantasy Jewelry

Est. US$450-US$500

143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm: 143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm Shipping Rate: FREE SHIPPING .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on

Buy Now

143 Grams AAA Quality Ruby Crystals On Matrix - 69X54X30 mm

Fantasy Jewelry

18.81Ct Faceted Crystal Opal Polished - Ethiopian Opal, 336E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

18.81Ct Faceted Crystal Opal Polished - Ethiopian Opal, 336E

Ksmith Heritage Auctioneers

Est. US$590-US$1,475

Top Quality Ruby Minerals - Terminated Ruby Specimen - 226 Grams - 88X55X54 mm: This exceptional specimen features a top-quality natural ruby mineral with a well-formed terminated crystal structure. Weighing 226 grams and measuring 88 × 55 × 54 mm, this impressive piece showcas

4 days Left

Top Quality Ruby Minerals - Terminated Ruby Specimen - 226 Grams - 88X55X54 mm

Fantasy Jewelry

Est. US$700-US$900

Top Quality Ruby Minerals - Terminated Ruby Specimen - 226 Grams - 88X55X54 mm: This exceptional specimen features a top-quality natural ruby mineral with a well-formed terminated crystal structure. Weighing 226 grams and measuring 88 × 55 × 54 mm, this impressive piece showcas

Buy Now

Top Quality Ruby Minerals - Terminated Ruby Specimen - 226 Grams - 88X55X54 mm

Fantasy Jewelry

*11.22Ct Welo Opal Polished - Ethiopian Opal, 1145B: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*11.22Ct Welo Opal Polished - Ethiopian Opal, 1145B

Ksmith Heritage Auctioneers

Est. US$230-US$575

*22.16Ct Welo Opal Polished - Ethiopian Opal, 1136E: Ksmith Heritage Auctioneers Welcome to our auction house, today auction brought to you by Ksmith Heritage Auctioneers based in Penang, Malaysia specialize in all kinds of opal and color gemstone both

4 days Left

*22.16Ct Welo Opal Polished - Ethiopian Opal, 1136E

Ksmith Heritage Auctioneers

Est. US$430-US$1,075

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Ruby Gems

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