Results for “Gemstone 4”

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Amethyst Geode with Polished Edges: Amethyst geode with thick polished edges. 10.5" x 8.5" x 4". 13 lbs, 1 ounce.

6 days Left

Amethyst Geode with Polished Edges

Fossils & Gemstones of Houston

Est. US$400-US$500

CZ Cross Pendant in 14k Yellow Gold: In 14k Yellow Gold. Contains four 6mmmarquise and one 4mm round high quality CZ gemstones with excellent clarity and color. 1 1/4 inch long including bale. 3/4 inch wide. 1.3g.

1 day Left

CZ Cross Pendant in 14k Yellow Gold

Eric's Estate & Jewelry

Est. US$474-US$711

Super-Fluorescent Calcite and Pyrite Formation: Super-fluorescent calcite and pyrite formation from Peru. 4" x 6.5" x 3.5". 4 lbs, 5 oz.

6 days Left

Super-Fluorescent Calcite and Pyrite Formation

Fossils & Gemstones of Houston

Est. US$500-US$600

Natural Pink Tourmaline 0.76 Ct. 5 Pcs. Oval Shape Gemstones From Nigeria: Product ID: 807250973 Product Name: Natural Tourmaline Weight: 0.76 CT. Size: 4.3 x 3.2 x 1.8 to 4 x 3 x 1.8 MM. Shape: Oval Color: Pink Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheat

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Natural Pink Tourmaline 0.76 Ct. 5 Pcs. Oval Shape Gemstones From Nigeria

Treasure of Gems & Jewelry

Natural Multi-Color With Rainbow Spark Sphene 1.29 Ct. Oval Shape 7.3 x 6.5 Mm Gemstone From: Product ID: 806509256 Product Name: Natural Sphene Weight: 1.29 CT. Size: 7.3 x 6.5 x 4 MM. Shape: Oval Shape Color: Multi-Color Clarity:SI1 Luster: Good Gems Origin: Madagascar Treatment: Unheated Cr

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Natural Multi-Color With Rainbow Spark Sphene 1.29 Ct. Oval Shape 7.3 x 6.5 Mm Gemstone From

Treasure of Gems & Jewelry

Natural Green Tourmaline Gemstone 1.18 Ct. Clean Octagon Shape 6.1 x 5.6 Mm. Unheated from Nigeria: Product ID: 807221867 Product Name: Natural Tourmaline Weight: 1.18 CT. Size: 6.1 x 5.6 x 4 MM. Shape: Octagon Color: Green Clarity:IF Luster: Very Good Gems Origin: Nigeria Treatment: Unheated Crysta

6 days Left

Natural Green Tourmaline Gemstone 1.18 Ct. Clean Octagon Shape 6.1 x 5.6 Mm. Unheated from Nigeria

Treasure of Gems & Jewelry

Est. US$77-US$121

Natural Multi Color Opal 1.50 Ct. Oval Cabochon Shape 8.7 x 6.4 Mm Gemstones From Ethiopia: Product ID: 818728409 Product Name: Natural Opal Weight: 1.50 CT. Size: 8.7 x 6.4 x 4 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Good Gems Origin: Ethiopia Treatmen

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Natural Multi Color Opal 1.50 Ct. Oval Cabochon Shape 8.7 x 6.4 Mm Gemstones From Ethiopia

Treasure of Gems & Jewelry

Celestite Geode: Celestite geode from Madagascar. 7.25" x 8" x 4". 11 lbs, 4 oz.

6 days Left

Celestite Geode

Fossils & Gemstones of Houston

Est. US$400-US$500

2 Partially Polished Petrified Wood in Rhyolitic Ash Specimens: 2 partially polished petrified wood in rhyolitic ash specimens from Chaffee County, Colorado. Pilocene Age. Each between 4" - 5". 3 pounds, 1 ounce total weight.

6 days Left

2 Partially Polished Petrified Wood in Rhyolitic Ash Specimens

Fossils & Gemstones of Houston

Est. US$200-US$300

Natural Red Green Ruby in Zoisite Gemstones 10.33 Ct. Pear Cabochon Shape 17.4 x 16.2 Mm: Product ID: 805934963 Product Name: Natural Ruby Weight: 10.33 CT. Size: 17.4 x 16.2 x 4 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Good Gems Origin: Madagascar Treatment: Unhe

6 days Left

Natural Red Green Ruby in Zoisite Gemstones 10.33 Ct. Pear Cabochon Shape 17.4 x 16.2 Mm

Treasure of Gems & Jewelry

Est. US$82-US$130

Nestor Taxco Sterling Silver Onyx Cufflinks: Pair of Nestor Taxco Sterling Silver Onyx Cufflinks, designed as triangular cufflinks decorated with two bezel set black onyx triangle cabochons weighing a total of approx. 4.50 carats, worn through F

Jun 04, 2026

Nestor Taxco Sterling Silver Onyx Cufflinks

Auctions at Showplace

Est. US$100-US$200

4.22 Ct Round Tourmaline 9K Gold Pendant: 4.22 Total Carat Tourmaline 9K Gold Pendant Specifications Total Weight 1.73 g Center Gemstone Tourmaline Gemstone Carat Weight 4 Carats Gemstone Measurements 10X10X4.90 mm Additional Gemstones White

2026

4.22 Ct Round Tourmaline 9K Gold Pendant

Chairish Auctions

Est. US$250-US$300

Buy Now for US$188.00

Colorful Goethite Formation: Multi-colored goethite stalactite specimen from Chihuahua, Mexico. 4" x 11.5" x 3". 2 lbs, 7 oz.

6 days Left

Colorful Goethite Formation

Fossils & Gemstones of Houston

Est. US$400-US$600

Lab Grown Diamond 92.5 Sterling Silver Pendant with Chain: Lab Grown Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 4 MM, 2 MM Gemstone Quantity : 9 Pieces Diamond Type : Lab Grown Diamond Shape : Round Diamond C

May 19, 2026

Lab Grown Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & Jewels

Est. US$450-US$1,050

Stunning Pyrite and Quartz Formation: Stunning top-quality pyrite and quartz formation from the Huanzala Mine in Ancash, Peru. 6.5” x 6.75” x 4”. 5 lbs.

6 days Left

Stunning Pyrite and Quartz Formation

Fossils & Gemstones of Houston

Est. US$1,200-US$1,500

Amethyst Gem Tree Sculpture on Crystal Cluster Base: Striking decorative gemstone bonsai tree sculpture featuring polished amethyst crystal leaves wired onto golden branches, with a hand-crafted resin or natural wood trunk. The tree is rooted in a beaut

6 days Left

Amethyst Gem Tree Sculpture on Crystal Cluster Base

Coral Gables Auction

Est. US$200-US$300

Cubic Pyrite, Chalcopyrite and Calcite Specimen: Cubic pyrite, chalcopyrite and fluorescent calcite formation from the Huanzala Mine in Ancash, Peru. 5.5" x 7" x 5". 4 lbs, 12 oz.

6 days Left

Cubic Pyrite, Chalcopyrite and Calcite Specimen

Fossils & Gemstones of Houston

Est. US$500-US$700

Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain: Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain Gemstone Shape : Round Gemstone Size : 4 MM, 2 MM Gemstone Quantity : 1 Piece, 8 Pieces Diamond Type : Lab Grown Diamond Shape :

May 19, 2026

Natural Blue Sapphire & Diamond 92.5 Sterling Silver Pendant with Chain

Siddhi Gems & Jewels

Est. US$330-US$770

Etruscan Revival Style Sterling Silver Ornate Gemstone Charm Bracelet Bloodstone Scarab Beetle H58: This item is in good pre-owned, previously used/displayed condition with noticeable light wear, and surface scratches. Please reference all photos for full details. This piece of jewelry has been test

4 hrs Left

Etruscan Revival Style Sterling Silver Ornate Gemstone Charm Bracelet Bloodstone Scarab Beetle H58

Rapid Estate Liquidators and Auction Gallery

Est. US$450-US$700

Lab Grown Diamond 92.5 Sterling Silver Necklace: Lab Grown Diamond 92.5 Sterling Silver Necklace Gemstone Shape : Round Gemstone Size : 4 MM Gemstone Quantity : 2 Pieces Diamond Type : Lab Grown Diamond Shape : Round Diamond Color : D-E

May 19, 2026

Lab Grown Diamond 92.5 Sterling Silver Necklace

Siddhi Gems & Jewels

Est. US$420-US$980

Natural Green Tourmaline 1.27 Ct. Oval Shape 7 x 5.8 Mm. Unheated Gemstone from Nigeria: Product ID: 807251119 Product Name: Natural Tourmaline Weight: 1.27 CT. Size: 7 x 5.8 x 4 MM. Shape: Oval Shape Color: Green Clarity:VSI Luster: Very Good Gems Origin: Nigeria Treatment: Unheated Crys

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Natural Green Tourmaline 1.27 Ct. Oval Shape 7 x 5.8 Mm. Unheated Gemstone from Nigeria

Treasure of Gems & Jewelry

Kyanite and Quartz Formation on Wood Stand: Kyanite and quartz formation from Brazil on wood stand. 12.5 x 7.25" x 4”. 12 lbs, 15 oz.

6 days Left

Kyanite and Quartz Formation on Wood Stand

Fossils & Gemstones of Houston

Est. US$600-US$700

Green River Fish Fossil: Fish fossil plate from the Green River in Wyoming. 7" x 9" x 1.25". 4 pounds, 1 ounce.

6 days Left

Green River Fish Fossil

Fossils & Gemstones of Houston

Est. US$200-US$300

Natural Purplish Red Ruby Gemstone 2.37 Ct. Oval Shape 9.2 x 7.3 Mm. From Madagascar: Product ID: 805935631 Product Name: Natural Ruby Weight: 2.37 CT. Size: 9.2 x 7.3 x 4 MM. Shape: Oval Color: Purplish Red Clarity:VSI Luster: Good Gems Origin: Madagascar Treatment: Heated (Lead-glass

6 days Left

Natural Purplish Red Ruby Gemstone 2.37 Ct. Oval Shape 9.2 x 7.3 Mm. From Madagascar

Treasure of Gems & Jewelry

Est. US$87-US$137

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