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Results for “Octagon Gemstones”

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Natural Orangish Pink Tourmaline 4.88 Ct. VVS Octagon Shape 9.5 x 8.3 Mm. Unheated Gemstone From: Product ID: 807228454 Product Name: Natural Tourmaline Weight: 4.88 CT. Size: 9.5 x 8.3 x 6.8 MM. Shape: Octagon Color: Pink Clarity:VVS Luster: Very Good Gems Origin: Nigeria Treatment: Unheated Crys

20 hrs Left

Natural Orangish Pink Tourmaline 4.88 Ct. VVS Octagon Shape 9.5 x 8.3 Mm. Unheated Gemstone From

Treasure of Gems & Jewelry

Est. $3,171-$4,984

Natural Swiss Blue Topaz 228.97 Ct. Clean Octagon Shape 34 x 34 Mm. Gemstone From Brazil: Product ID: 807156482 Product Name: Natural Blue Topaz Weight: 228.97 CT. Size: 34 x 34 x 21 MM. Shape: Octagon Color: Swiss Blue Clarity:IF Luster: Very Good Gems Origin: Brazil Treatment: Treated Cr

20 hrs Left

Natural Swiss Blue Topaz 228.97 Ct. Clean Octagon Shape 34 x 34 Mm. Gemstone From Brazil

Treasure of Gems & Jewelry

Est. $9,884-$15,533

Natural Green Tourmaline 6.02 Ct. Octagon Shape 17.1 x 7.6 Mm Gemstone From Nigeria: Product ID: 807212247 Product Name: Natural Tourmaline Weight: 6.02 CT. Size: 17.1 x 7.6 x 4.5 MM. Shape: Octagon Color: Green Clarity:IF Luster: Beautiful Gems Origin: Nigeria Treatment: Unheated Cry

20 hrs Left

Natural Green Tourmaline 6.02 Ct. Octagon Shape 17.1 x 7.6 Mm Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $2,351-$3,695

Natural Green Tourmaline 7.06 Ct. Clean Octagon Shape 11.5 x 8.8 Mm. Unheated Gemstone From Nigeria: Product ID: 807250043 Product Name: Natural Tourmaline Weight: 7.06 CT. Size: 11.5 x 8.8 x 7 MM. Shape: Octagon Color: Green Clarity:IF Luster: Very Good Gems Origin: Nigeria Treatment: Unheated Cryst

20 hrs Left

Natural Green Tourmaline 7.06 Ct. Clean Octagon Shape 11.5 x 8.8 Mm. Unheated Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $5,693-$8,947

Certified Natural Yellow Sapphire 3.42 Ct. Clean Octagon Shape 8.59 x 9.78 Mm. Gemstone From: Product ID: 806152581 Product Name: Natural Yellow Sapphire Weight: 3.42 CT. Size: 8.59 x 9.78 x 3.65 MM. Shape: Octagon Color: Yellow Clarity:IF Luster: Very Good Gems Origin: Thailand Treatment: Hea

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Certified Natural Yellow Sapphire 3.42 Ct. Clean Octagon Shape 8.59 x 9.78 Mm. Gemstone From

Treasure of Gems & Jewelry

Est. $3,301-$5,188

Natural Green Tourmaline 7.61 Ct. Octagon Shape 16.27 x 8.85 Mm Gemstone From Nigeria: Product ID: 807236689 Product Name: Natural Tourmaline Weight: 7.61 CT. Size: 16.27 x 8.85 x 5.29 MM. Shape: Octagon Color: Green Clarity:IF Luster: Beautiful Gems Origin: Nigeria Treatment: Unheated

20 hrs Left

Natural Green Tourmaline 7.61 Ct. Octagon Shape 16.27 x 8.85 Mm Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $2,764-$4,344

Natural Blue Sapphire 1.89 Ct. VVS Octagon Shape 8.55 x 5.13 Mm. Gemstone From Madagascar: Product ID: 806007495 Product Name: Natural Blue Sapphire Weight: 1.89 CT. Size: 8.55 x 5.13 x 3.57 MM. Shape: Octagon Color: Blue Clarity:VVS Luster: Good Gems Origin: Madagascar Treatment: Heated Cr

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Natural Blue Sapphire 1.89 Ct. VVS Octagon Shape 8.55 x 5.13 Mm. Gemstone From Madagascar

Treasure of Gems & Jewelry

Est. $2,126-$3,341

Natural Green Tourmaline 7.96 Ct. Octagon Shape 15.3 x 8.2 Mm. Gemstone from Nigeria: Product ID: 807236806 Product Name: Natural Tourmaline Weight: 7.96 CT. Size: 15.3 x 8.2 x 6 MM. Shape: Octagon Color: Green Clarity:VS Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal St

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Natural Green Tourmaline 7.96 Ct. Octagon Shape 15.3 x 8.2 Mm. Gemstone from Nigeria

Treasure of Gems & Jewelry

Est. $2,072-$3,256

Natural Green Emerald 0.83 Ct. Octagon Shape 6.21 x 4.49 Mm. Gemstone from Columbia: Product ID: 802403698 Product Name: Natural Emerald Weight: 0.83 CT. Size: 6.21 x 4.49 x 3.92 MM. Shape: Octagon Color: Green Clarity:SI1 Luster: Good Gems Origin: Columbia Treatment: Unheated Crystal

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Natural Green Emerald 0.83 Ct. Octagon Shape 6.21 x 4.49 Mm. Gemstone from Columbia

Treasure of Gems & Jewelry

Est. $1,699-$2,670

Natural Bi Color Tourmaline 2.93 Ct. Octagon Shape 15.4 x 5.4 Mm. Unheated Gemstone From Nigeria: Product ID: 807237827 Product Name: Natural Tourmaline Weight: 2.93 CT. Size: x 3.2 MM. Shape: Octagon Color: Bi Color Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal Structu

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Natural Bi Color Tourmaline 2.93 Ct. Octagon Shape 15.4 x 5.4 Mm. Unheated Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $1,433-$2,251

Natural Green Emerald 0.82 Ct. Octagon Shape 6.74 x 4.95 Mm. Gemstone: Product ID: 802403656 Product Name: Natural Emerald Weight: 0.82 CT. Size: 6.74 x 4.95 x 3.36 MM. Shape: Octagon Color: Green Clarity:SI1 Luster: Good Gems Origin: Columbia Treatment: Unheated Crystal

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Natural Green Emerald 0.82 Ct. Octagon Shape 6.74 x 4.95 Mm. Gemstone

Treasure of Gems & Jewelry

Est. $1,470-$2,311

Set of Four Octagon-Cut Medium Orange Hessonite Garnet Loose Gemstones: Set of Four Octagon-Cut Medium Orange Hessonite Garnet Loose Gemstones This stunning set features four loose Hessonite Garnet gemstones, each fashioned in a precise octagon facet cut to highlight the

2 days Left

Set of Four Octagon-Cut Medium Orange Hessonite Garnet Loose Gemstones

Weatherham Estate Treasures

Est. $320-$450

Natural Bi Color Tourmaline 3.56 Ct. Octagon Shape 13.9 x 5.8 Mm. Gemstone From Nigeria: Product ID: 807232449 Product Name: Natural Tourmaline Weight: 3.56 CT. Size: 13.9 x 5.8 x 4.4 MM. Shape: Octagon Color: Bi Color Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheated Crys

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Natural Bi Color Tourmaline 3.56 Ct. Octagon Shape 13.9 x 5.8 Mm. Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $1,162-$1,826

Natural Blue Sapphire 3.30 Ct. Octagon Shape 10.61 x 6.42 Mm. Gemstone From Madagascar: Product ID: 806008808 Product Name: Natural Blue Sapphire Weight: 3.30 CT. Size: 10.61 x 6.42 x 4.47 MM. Shape: Octagon Color: Blue Clarity:VSI Luster: Good Gems Origin: Madagascar Treatment: Heated C

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Natural Blue Sapphire 3.30 Ct. Octagon Shape 10.61 x 6.42 Mm. Gemstone From Madagascar

Treasure of Gems & Jewelry

Natural Bi Color Tourmaline 4.77 Ct. VVS Octagon Shape 19.7 x 5.6 Mm. Unheated Gemstone From Nigeria: Product ID: 807237849 Product Name: Natural Tourmaline Weight: 4.77 CT. Size: 19.7 x 5.6 x 3.9 MM. Shape: Octagon Color: Bi-Color Clarity:VVS Luster: Very Good Gems Origin: Nigeria Treatment: Unheated

20 hrs Left

Natural Bi Color Tourmaline 4.77 Ct. VVS Octagon Shape 19.7 x 5.6 Mm. Unheated Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $2,750-$4,322

Natural Blue Tourmaline 3.36 Ct. Octagon Shape 11.3 x 6.3 Mm Gemstone from Nigeria: Product ID: 807233646 Product Name: Natural Tourmaline Weight: 3.36 CT. Size: 11.3 x 6.3 x 4.5 MM. Shape: Octagon Color: Blue Clarity:SI Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal S

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Natural Blue Tourmaline 3.36 Ct. Octagon Shape 11.3 x 6.3 Mm Gemstone from Nigeria

Treasure of Gems & Jewelry

Est. $420-$661

Natural Green Tourmaline 4.70 Ct. Octagon Shape 10.2 x 7.8 Mm. Gemstone from Nigeria: Product ID: 807232418 Product Name: Natural Tourmaline Weight: 4.70 CT. Size: 10.2 x 7.8 x 7 MM. Shape: Octagon Color: Green Clarity:IF Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal St

20 hrs Left

Natural Green Tourmaline 4.70 Ct. Octagon Shape 10.2 x 7.8 Mm. Gemstone from Nigeria

Treasure of Gems & Jewelry

Est. $706-$1,110

Natural Green Tourmaline 14.50 Ct. Clean Octagon Shape 27 x 8.5 Mm. Gemstone From Nigeria: Product ID: 807219572 Product Name: Natural Tourmaline Weight: 14.50 CT. Size: 27 x 8.5 x 6.2 MM. Shape: Octagon Color: Green Clarity:IF Luster: Good Gems Origin: Nigeria Treatment: Unheated Crystal S

7 days Left

Natural Green Tourmaline 14.50 Ct. Clean Octagon Shape 27 x 8.5 Mm. Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $4,707-$7,397

Natural Green Emerald 1.09 Ct. Octagon Shape 6.25 x 5.14 Mm. Gemstone: Product ID: 802403792 Product Name: Natural Emerald Weight: 1.09 CT. Size: 6.25 x 5.14 x 3.92 MM. Shape: Octagon Color: Green Clarity:SI Luster: Good Gems Origin: Columbia Treatment: Unheated Crystal

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Natural Green Emerald 1.09 Ct. Octagon Shape 6.25 x 5.14 Mm. Gemstone

Treasure of Gems & Jewelry

Est. $912-$1,433

Natural Green Tourmaline 11.30 Ct. Octagon Shape 18.84 x 8.10 Mm Gemstone From Nigeria: Product ID: 807212589 Product Name: Natural Tourmaline Weight: 11.30 CT. Size: 18.84 x 8.10 x 7.03 MM. Shape: Octagon Color: Green Clarity:IF Luster: Very Good Gems Origin: Nigeria Treatment: Unheated

7 days Left

Natural Green Tourmaline 11.30 Ct. Octagon Shape 18.84 x 8.10 Mm Gemstone From Nigeria

Treasure of Gems & Jewelry

Est. $8,998-$14,140

Natural Swiss Blue Topaz 16.34 Ct. Octagon Shape 15.5 x 11.4 Mm. Gemstone from Brazil: Product ID: 807165851 Product Name: Natural Blue Topaz Weight: 16.34 CT. Size: 15.5 x 11.4 x 8.5 MM. Shape: Octagon Color: Blue Clarity:IF Luster: Very Good Gems Origin: Brazil Treatment: Treated Crys

20 hrs Left

Natural Swiss Blue Topaz 16.34 Ct. Octagon Shape 15.5 x 11.4 Mm. Gemstone from Brazil

Treasure of Gems & Jewelry

Est. $696-$1,094

Brilliant Octagon-Cut Brownish Orange Sphalerite Loose Gemstone: Brilliant Octagon-Cut Brownish Orange Sphalerite Loose Gemstone Radiating fiery brilliance, this exquisite loose sphalerite gemstone features a stunning octagon step cut that showcases its exceptiona

2 days Left

Brilliant Octagon-Cut Brownish Orange Sphalerite Loose Gemstone

Weatherham Estate Treasures

Est. $350-$450

Natural Violetish Blue Tanzanite 2.32 Ct. Clean Octagon Shape 9.2 x 4.6 Mm. Gemstone From Tanzania: Product ID: 807006570 Product Name: Natural Tanzanite Weight: 2.32 CT. Size: 9.2 x 4.6 x 3.8 MM. Shape: Octagon Color: Violetish Blue Clarity:IF Luster: Very Good Gems Origin: Tanzania Treatment: Heat

20 hrs Left

Natural Violetish Blue Tanzanite 2.32 Ct. Clean Octagon Shape 9.2 x 4.6 Mm. Gemstone From Tanzania

Treasure of Gems & Jewelry

Est. $1,132-$1,779

Natural Bi Color Topaz 8.67 Ct. Octagon Shape 14.3 x 10.2 Mm. Gemstone From Brazil: Product ID: 807169043 Product Name: Natural Topaz Weight: 8.67 CT. Size: 14.3 x 10.2 x 6.1 MM. Shape: Octagon Color: Bi Color Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Treated Crystal St

20 hrs Left

Natural Bi Color Topaz 8.67 Ct. Octagon Shape 14.3 x 10.2 Mm. Gemstone From Brazil

Treasure of Gems & Jewelry

Est. $559-$879

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