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GIA Certified 6.71 Cts Cobalt Blue Spinel From Tanzania

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Details
SKU
Dimensions (mm)
12.23 x 10.1 x 6.92mm
Weight (cts)
6.71
Certificate Gem Lab
GIA
Treatment
No Treatment
Shape
Cushion
Type
Faceted
Clarity
VS
Certified Gemstones
Yes
Colours
Description

Blue Spinel is a very special gemstone because it is one of the few that occur naturally. While all Spinels are increasing in popularity, it is the blue variety that is starting to attract attention of savvy gemstone buyers. Unlike the other blue gemstones such as Sapphire, Tanzanite and Aquamarine, there is no known treatments for Spinel. This means that every Spinel is completely natural and free from any modifications by man.

Spinel for many years has gone unnoticed as a gemstone if great durability and intense color. In recent years the famous red and vivid pink Spinels from Mahenge, Tanzania and Burma have had all of the glory of the beauty of Spinel. Now people are starting to notice the more pastel colors including the beautiful blue Spinel. The blue Spinel is colored from the impurity of Cobalt in the crystal lattice. These stones are commonly referred to as Cobalt Blue Spinel.

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Shipping
Provider Destination Cost
FedEx Default Rest of World
5 days
first item
per additional item
shipping capped at
Express Shipping Rest of World
7 days
first item
per additional item
shipping capped at
Registered Shipping Rest of World
21 days
first item
per additional item
shipping capped at
FedEx Default Thailand
2 days
first item
per additional item
shipping capped at
Express Shipping Thailand
2 days
first item
per additional item
shipping capped at
Registered Shipping Thailand
7 days
first item
per additional item
shipping capped at
Store
GIA Certified 6.71 Cts Cobalt Blue Spinel From Tanzania

gemsmine

Bangkok, Thailand
Owned by gemsmine
Recent Feedback
  • jcoite
    jcoite
    Positive

    Great stone nice color! Will buy here again

  • chayafive
    chayafive
    Positive

    Shipping was fast. The garnet is beautiful, with a good cut and nice color

  • creativesoul
    creativesoul
    Positive

    Absolutely gorgeous pink garnet! This stone is truly special! Fast Delivery! Great Seller!

  • makodon
    makodon
    Positive

    Beautiful, absolutely beautiful. This stone will give a lot of joy ! Thank’s for this perfect business

Audit

This product has been audited by a Gemstone Sheriff and they have found the following:
  • Description Accurate
  • Pictures Accurate

Comments

After thorough evaluation of the Verified seller's information provided, Gem Rock Auctions has found accurate and honest pictures and details for this listing. Gem Rock Auctions is committed to holding our sellers to the highest standards of integrity and transparency. As part of this policy, we only permit the sale of natural, earth mined, gemstones. Manmade, synthetic, and imitation gemstones are not permitted on Gem Rock auctions. Many Gemstones have received treatments to enhance their color and/or clarity to further emphasize their beauty and we insist treatments are disclosed. Unless accompanied by a report from an approved laboratory, all origins or treatments declared in the listing are the sellers' opinion. There are limitations to what can be determined without physically handling the listed item.

This audit was requested 1 month ago
Last updated 1 month ago

Shipping Details

Costs:
Transit:
5 days via FedEx
Capped at:
Ships from:
Thailand

Payment Options

  • paypal

Overview

Listing Type : Standard
Product ID : 2863644
Starts : 18th March 2026 02:32 pm PDT
* All prices are in USD

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