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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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[11/11 22:00 Sale] Myanmar Purple Spinel 0.720ct Loose

[11/11 22:00 Sale] Myanmar Purple Spinel 0.720ct Loose Sale price¥6,980
【12536306掲載】スピネル 0.770ctルース

[11/11 22:00 Sale] Myanmar Spinel 0.770ct Loose Sale price¥7,980
【12536310掲載】パープルスピネル 0.680ctルース

[11/11 22:00 Sale] Myanmar Purple Spinel 0.680ct Loose Sale price¥8,800
[On sale at 10pm on 11/10] Limited to 6 stones, one loose spinel stone from Myanmar (pentagonal cut, 3-3.5mm) [Multiple purchase discounts available]

[On sale at 10pm on 11/10] Limited to 6 stones, one loose spinel stone from Myanmar (pentagonal cut, 3-3.5mm) [Multiple purchase discounts available] Sale price¥2,580
[On sale at 10pm on 11/10] {Limited to 2 stones} 1 loose Mahenge spinel stone from Tanzania (3mm, round cut) {Multiple purchase discounts available}

[On sale at 10pm on 11/10] {Limited to 2 stones} 1 loose Mahenge spinel stone from Tanzania (3mm, round cut) {Multiple purchase discounts available} Sale price¥4,980
パープルスピネル 0.514ctルース

[On sale from 10pm on 11/5] Myanmar purple spinel 0.514ct loose stone Sale price¥8,800
グレースピネル（プラチナスピネル） 1.028ctルース

[On sale 11/4 at 22:00] Tanzanian blue spinel 1.028ct loose stone Sale price¥39,800
[On sale 11/4 at 22:00] Mozambique pink spinel 0.550ct loose stone

[On sale 11/4 at 22:00] Mozambique pink spinel 0.550ct loose stone Sale price¥14,800
[On sale from 11/1 at 22:00] [Limited to 8 stones] 1 Myanmar platinum spinel loose stone (4.0mm, round cut) [Multiple purchase discounts available]

[On sale from 11/1 at 22:00] [Limited to 8 stones] 1 Myanmar platinum spinel loose stone (4.0mm, round cut) [Multiple purchase discounts available] Sale price¥6,980
ピンクスピネル 0.344ctルース

[On sale at 10pm on 10/30] Myanmar pink spinel 0.344ct loose stone Sale price¥8,800
パープルスピネル 0.519ctルース

[On sale from 10/31 at 22:00] Myanmar purple spinel 0.519ct loose stone Sale price¥9,800
ピンクスピネル 0.465ctルース

[On sale from 10/31 at 22:00] Myanmar pink spinel 0.465ct loose stone Sale price¥19,800
パープルスピネル 0.434ctルース

[On sale from 10/31 at 22:00] Myanmar purple spinel 0.434ct loose stone Sale price¥12,800
ピンクスピネル 0.360ctルース

[On sale from 10/31 at 22:00] Myanmar pink spinel 0.360ct loose stone Sale price¥12,800
ミャンマー産パープルスピネル 0.514ctルース

[On sale from 10/22 at 10pm] Myanmar purple spinel 4.8mm/0.514ct loose stone Sale price¥6,980
タンザニア産コバルトスピネル 0.118ctルース 日独

[On sale at 10pm on 10/20] Tanzanian cobalt spinel (blue spinel) 0.118ct loose stone, Japan-Germany Sale price¥29,800
ミャンマー産ピンクスピネル 0.79ctルース（結晶入り）

[On sale at 10pm on 10/19] Myanmar pink spinel 0.79ct loose stone (with crystal) Sale price¥12,800
[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery

[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery Sale price¥6,980
Red spinel rough stone 1 stone (raspberry color)《Discount available for multiple purchases》

Red spinel rough stone 1 stone (raspberry color)《Discount available for multiple purchases》 Sale priceFrom ¥3,980
ピンクスピネル1

1 stone loose pink spinel (princess cut, approx. 2.5mm)《Discount available for multiple purchases》 Sale price¥2,980
Limited time sale: Sri Lankan spinel (hexagonal cut) + Tanzanian silky pink spinel set of 2 stones. Discounts available for multiple purchases.

Limited time sale: Sri Lankan spinel (hexagonal cut) + Tanzanian silky pink spinel set of 2 stones. Discounts available for multiple purchases. Sale price¥1,980
ビルマ産スピネル1石ルース（ペンタゴナルカット）《バンコク買付品》

1 stone loose spinel from Myanmar (Pentagonal cut)《Discount available for multiple purchases》 Sale price¥3,980
Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》

Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》 Sale price¥5,980
{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available}

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980
タンザニア・マヘンゲ産ピンクスピネル原石・ルース2石セット（プリンセスカット）《複数購入割引有》

《Limited to 20 stones》 Pink spinel raw stone from Mahenge, Tanzania, loose 2 stone set (princess cut)《Multiple purchase discount available》 Sale price¥3,980
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. Sale price¥4,980
Limited to 5 stones: 1 loose purple spinel from Tajikistan (multiple purchase discounts available)

Limited to 5 stones: 1 loose purple spinel from Tajikistan (multiple purchase discounts available) Sale price¥5,980
Limited to 6 stones: 1 loose Mahenge spinel stone from Tanzania (Papara color) Multiple purchase discounts available

Limited to 6 stones: 1 loose Mahenge spinel stone from Tanzania (Papara color) Multiple purchase discounts available Sale price¥3,980
スピネル 1石《カスタムカット》

Spinel 1 stone《Custom cut》《Multiple purchase discount available》 Sale price¥5,980
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] Sale price¥2,980
ビルマ産レッドスピネル 0.181ctルース

[On sale at 10pm on 10/20] Myanmar red spinel 0.181ct loose stone Sale price¥8,800
スピネル 0.524ct原石

[On sale at 10pm on 10/16] Myanmar red spinel 0.524ct rough stone (Star of David) Sale price¥14,800
スピネル 0.281ct原石

[On sale at 10pm on 10/16] Myanmar red spinel 0.281ct rough stone (Star of David) Sale price¥8,800
ベトナム産コバルトスピネル（カラーシフト） 0.014ctルース 日独鑑

Vietnam Cobalt Spinel (Color Shift) 0.014ct Loose Stone, Japan-Germany Exchange Sale price¥15,800
ベトナム産コバルトスピネル 0.022ctルース 日独鑑

Vietnam Cobalt Spinel (Color Shift) 0.022ct Loose Stone, Japan-Germany Exchange Sale price¥25,800
ベトナム産コバルトスピネル 0.036ctルース 日独鑑

Vietnam Cobalt Spinel (Color Shift) 0.036ct Loose Stone, Japan-Germany Exchange Sale price¥39,800
ベトナム産コバルトスピネル（カラーシフト） 0.025ctルース 日独鑑

Vietnam Cobalt Spinel (Color Shift) 0.025ct Loose Stone, Japan-Germany Exchange Sale price¥25,800
スタースピネル 1.153ctルース

Myanmar Star Spinel 1.153ct Loose Sale price¥12,800
グレースピネル 0.384ctルース

Grace Spinel 0.384ct Loose Sale price¥9,800
タンザニア産コバルトスピネル 0.284ctルース

Cobalt spinel from Tanzania 0.284ct loose Japanese and German Sale price¥49,800
ピンクスピネル 0.276ctルース

Pink spinel 3.8mm/0.276ct loose stone Sale price¥6,980
Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases.

Limited to 18 stones: Myanmar spinel (3.5mm, pentagonal cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥2,980
ミャンマー産スピネル 0.650ctルース

Myanmar Blue Spinel 0.650ct Loose Sale price¥12,800
ミャンマー産ピンクスピネル 0.520ctルース

[Mr. KEN] Myanmar pink spinel 0.520ct loose stone Sale price¥12,800
Limited to 7 stones: 1 loose stone of spinel (blue/purple) from Madagascar. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose stone of spinel (blue/purple) from Madagascar. Discounts available for multiple purchases. Sale price¥3,980
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
【さくらインカット】パープルスピネル 7mm/1.262ct《コラボ》ルース ワッペン 日独鑑

[Sakura Incut] Purple Spinel 7mm/1.262ct {Collaboration} Loose Patch Nihon-Dokukan Sale price¥59,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments