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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 "

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スピネル 0.950ctルース

Burmese spinel 0.950ct loose (buff top) Sale price¥15,800
Red spinel 0.195ct loose

Red spinel 0.195ct loose Sale price¥5,980
モザンビーク産シルキーピンクスピネル 0.610ctルース

Silky pink spinel from Mozambique 0.610ct loose Sale price¥18,800
スリランカ産スピネル 0.800ctルース

Spinel from Sri Lanka 0.800ct loose Sale price¥6,980
バイカラースピネル 1.040ctルース（グレー系）

Bicolor spinel 1.040ct loose (gray/purple) Sale price¥69,800
【KEN氏】パープルスピネル 0.825ctルース - カラッツSTORE

Purple spinel 0.825ct loose stone Sale price¥5,980
【KEN氏】ミャンマー産ピンクスピネル 0.325ctルース - カラッツSTORE

Myanmar pink spinel 0.325ct loose stone Sale price¥6,980
【KEN氏】ミャンマー産パープルスピネル 0.312ctルース - カラッツSTORE

Myanmar Purple Spinel 0.312ct Loose Stone Sale price¥3,980
ラベンダースピネル 1.285ctルース

Lavender spinel 1.285ct loose Sale price¥39,800
【KEN氏】ミャンマー産ピンクスピネル 0.294ctルース - カラッツSTORE

Myanmar pink spinel 0.294ct loose stone Sale price¥6,980
マダガスカル産パープルスピネル 0.870ctルース

0.870ct loose purple spinel from Madagascar Sale price¥14,800
マダガスカル産パープルスピネル 0.651ctルース

Madagascar Purple Spinel 5.2mm/0.651ct Loose Stone Sale price¥8,800
パープルスピネル 0.311ctルース

Myanmar Purple Spinel 0.311ct Loose Stone Sale price¥8,800
タンザニア産スピネル 0.165ctルース

Tanzanian Blue Spinel 0.165ct Loose Stone Sale price¥8,800
タンザニア産スピネル 0.244ctルース

Tanzania Blue Spinel 0.244ct Loose Stone Sale price¥9,800
タンザニア産スピネル 0.236ctルース

Tanzania Purple Spinel 0.236ct Loose Stone Sale price¥9,800
タンザニア産パープルスピネル 0.333ctルース

Tanzania Purple Spinel 0.333ct Loose Stone Sale price¥9,800
タンザニア産パープルスピネル 0.356ctルース

Tanzania Purple Spinel 0.356ct Loose Stone Sale price¥8,800
タンザニア産パープルスピネル 0.307ctルース

Tanzania Purple Spinel 0.307ct Loose Stone Sale price¥9,800
タンザニア産パープルスピネル 0.346ctルース

Tanzania Purple Spinel 0.346ct Loose Stone Sale price¥8,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)

Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting) Sale price¥98,000
Myanmar spinel 0.402ct loose stone

Myanmar spinel 0.402ct loose stone Sale price¥12,800
Myanmar spinel 4.0mm/0.263ct loose stone

Myanmar spinel 4.0mm/0.263ct loose stone Sale price¥7,980
ピンクスピネル 0.344ctルース

Myanmar pink spinel 0.344ct loose stone Sale price¥8,800
ピンクスピネル 0.465ctルース

Myanmar pink spinel 0.465ct loose stone Sale price¥19,800
ミャンマー産ピンクスピネル 0.520ctルース

Myanmar pink spinel 0.520ct loose stone Sale price¥12,800
スピネル原石１石（バイカラーやパープル系）《複数購入割引有》

Limited to 7 stones: 1 rough spinel stone (bicolor spinel, etc.) Multiple purchase discounts available Sale price¥3,980
パープルスピネル 0.955ctルース

Purple spinel 0.955ct loose stone Sale price¥19,800
パープルスピネル 0.422ctルース

Purple Spinel 4.8mm/0.422ct Loose Stone Sale price¥6,980
ピンクスピネル 0.573ctルース

Pink spinel 5.2mm/0.573ct loose stone Sale price¥6,580
スピネル 0.365ctルース

Purple spinel 4.5mm/0.365ct loose Sale price¥4,980
ピンクスピネル 0.342ctルース

Pink spinel 4.3mm/0.342ct loose Sale price¥6,980
ピンクスピネル 0.192ctルース

Pink spinel 3.8mm/0.192ct loose Sale price¥5,980
パープルスピネル 0.754ctルース

Purple spinel 0.754ct loose Sale price¥9,800
ブルースピネル 1.949ctルース

Blue spinel 1.949ct loose Sale price¥29,800
ラベンダースピネル 0.305ctルース

Lavender spinel 0.305ct loose Sale price¥7,980
Sold out Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for advanced users: rough spinel from Mozambique)

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

Sold out 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!

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!
Sold out 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.

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

Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)
Sold out Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.
Sold out Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]

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

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

Limited to 13 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.
Sold out Limited to 3 stones: Myanmar gray spinel and platinum spinel (4.0mm, round cut) loose stone (multiple purchase discounts available)

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

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

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

Sold out 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

[On sale July 12th at 10 PM] Myanmar Gray Spinel (Platinum Spinel) 4.2mm/0.385ct Loose Stone
Sold out タンザニア産レッドスピネル 0.098ctルース 鑑別書

[12563393 listed] Tanzanian Red Spinel 0.098ct Loose Stone
Sold out 【Sale starts 10PM on June 27th】《Limited 8 Stones》Myanmar Black Spinel (B Grade)《Multiple Purchase Discount Available》

【Sale starts 10PM on June 27th】《Limited 8 Stones》Myanmar Black Spinel (B Grade)《Multiple Purchase Discount Available》

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.