spinel

Spinel is the birthstone for August. Spinel comes in a wide variety of colors, including red, blue, pink, green, purple, black, gray, and colorless. It has a high Mohs hardness of 7.5 to 8, so it can be enjoyed as everyday jewelry. They are often produced in the same octahedral crystal form as diamonds, and their rounded, soft form gives them a different charm than cut gemstones.

Karatz GemMagazine
" Spinel "

Tanzania Purple Spinel 0.346ct Loose Stone Sale price¥8,800

Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting) Sale price¥98,000

Tanzania gray spinel 0.844ct loose stone Sale price¥18,800

Myanmar spinel 0.402ct loose stone Sale price¥12,800

Myanmar spinel 4.0mm/0.263ct loose stone Sale price¥7,980

Myanmar pink spinel 0.344ct loose stone Sale price¥8,800

Myanmar pink spinel 0.465ct loose stone Sale price¥19,800

Myanmar Purple Spinel 0.434ct Loose Stone Sale price¥12,800

Tanzania Cobalt Spinel 0.211ct Loose Stone JTL Catalog Sale price¥29,800

Myanmar pink spinel 0.520ct loose stone Sale price¥12,800

Limited to 7 stones: 1 rough spinel stone (bicolor spinel, etc.) Multiple purchase discounts available Sale price¥3,980

Purple spinel 0.955ct loose stone Sale price¥19,800

Purple Spinel 4.8mm/0.422ct Loose Stone Sale price¥6,980

Pink spinel 5.2mm/0.573ct loose stone Sale price¥6,580

Purple spinel 4.5mm/0.365ct loose Sale price¥4,980

Pink spinel 4.3mm/0.342ct loose Sale price¥6,980

Pink spinel 3.8mm/0.192ct loose Sale price¥5,980

Purple spinel 0.465ct loose Sale price¥5,980

Purple spinel 0.754ct loose Sale price¥9,800

Blue spinel 1.949ct loose Sale price¥29,800

Lavender spinel 0.305ct loose Sale price¥7,980

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[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery

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1 stone loose pink spinel (princess cut, approx. 2.5mm)《Discount available for multiple purchases》

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Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for advanced users: rough spinel from Mozambique)

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Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》

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Limited Edition of 10 Blue Gemstones! 💎 0.142ct Brazilian Paraiba Tourmaline, Euclase from Zimbabwe, 1.17ct Cobalt Spinel (Certificate of Authenticity: Color Shift), Benitoite, and More! Discounts Available for Multiple Purchases!

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Limited to 10 stones: Blue Spinel Gacha, Cobalt Spinel (including color-shifting type), 2 stones with Japanese and German appraisal certificates, and a bonus synthetic cobalt spinel. Discounts available for multiple purchases.

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Limited to 10 stones! Spinel Gacha: 1 loose stone including a 1.17ct bicolor spinel. Multiple purchase discounts available.

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Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)

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Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.

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Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]

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Limited to 13 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.

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《Limited to 8 Stones》Myanmar Black Spinel (Blemished) 《Bulk Purchase Discount Available》

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Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

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Limited to 9 stones: 1 Spinel Gacha (August birthstone) including 1 bicolor spinel (0.93 ct) (Multiple purchase discounts available)

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Limited to 4 stones: 1 loose spinel stone from Sri Lanka. Discounts available for multiple purchases.

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[Sale at 10 PM on 6/27] Limited to 9 Stones: Myanmar Red Spinel (Round Cut, approx. 3.5mm) - Multiple Purchase Discount Available

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【ダンデライオンカット】タンザニア産ブルースピネル 6.0mm/0.953ctルース鑑別書鑑定士が運営しています。

[Dandelion Cut] Tanzanian Blue Spinel 6.0mm/0.953ct Loose Stone with Certificate

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ミャンマー産グレースピネル（プラチナスピネル） 4.2mm/0.385ctルース

Burmese grey spinel (platinum spinel) 4.2mm/0.385ct loose gemstone

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[12563393 listed] Tanzanian Red Spinel 0.098ct Loose Stone

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Tanzanian Pink Spinel 3.9mm/0.246ct Loose Stone with Appraisal

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3.061ct Black Spinel Loose Stone from Myanmar with Certificate

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0.578ct Loose Burmese Red Spinel

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Myanmar red spinel 0.453 ct loose stone

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Myanmar red spinel, 3.5mm/0.174ct, loose

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Myanmar Red Spinel 3.4mm/0.194ct Loose Stone

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Burmese Red Spinel 0.266ct Loose Stone

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0.380ct Jedi spinel loose gemstone from Myanmar

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.