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Gem Gacha

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Sold out Limited to 10 stones: Blue Stone Gacha (0.088ct Paraiba Tourmaline from Brazil, Euclase from Zimbabwe, Cobalt Garnite) [Multiple purchase discounts available]

Limited to 10 stones: Blue Stone Gacha (0.088ct Paraiba Tourmaline from Brazil, Euclase from Zimbabwe, Cobalt Garnite) [Multiple purchase discounts available]

Sold out Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)

Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)
Sold out Limited to 20 stones! Koshu Kiriko Plus Three: Includes two carefully cut Oregon Sunstones. Includes one loose stone. Discounts available for multiple purchases.

Limited to 20 stones! Koshu Kiriko Plus Three: Includes two carefully cut Oregon Sunstones. Includes one loose stone. Discounts available for multiple purchases.
Sold out Only one left! Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)

Only one left! Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)
Sold out Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.

Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.
Sold out Limited to 10 stones: Blue Stone Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) (Multiple purchase discounts available)

Limited to 10 stones: Blue Stone Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) (Multiple purchase discounts available)
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 Pink Diamond Gacha! 💎 Fancy Light Pink Diamond 0.117ct (Certified) Includes One UV-Resistant Pink Diamond (Multiple Purchase Discounts Available)

Pink Diamond Gacha! 💎 Fancy Light Pink Diamond 0.117ct (Certified) Includes One UV-Resistant Pink Diamond (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 Limited to 5 stones: Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 loose stone (Multiple purchase discounts available)

Limited to 5 stones: Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 loose stone (Multiple purchase discounts available)
Sold out [Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]
Sold out Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)

Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)
Sold out Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available

Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available
Sold out [Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]

[Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]
Sold out Limited 3 Stones Gem Gacha💎Black Star Sapphire (including 12-ray star) Loose from Bangkacha, Thailand

Limited 3 Stones Gem Gacha💎Black Star Sapphire (including 12-ray star) Loose from Bangkacha, Thailand
Sold out Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}

Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}

Sold out Gem Gacha💎 [Sanjay] Tanzanian Spinel (1 in 3 will be a Red Spinel) Loose Stone (Multiple Purchase Discounts Available)

Gem Gacha💎 [Sanjay] Tanzanian Spinel (1 in 3 will be a Red Spinel) Loose Stone (Multiple Purchase Discounts Available)
Sold out Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Sold out ジェムガチャ💎 アフガナイト1石 ルース（平均0.14ct）《複数購入割引有》

Gem Gacha💎 Afghanite 1 stone loose (average 0.14ct) {Multiple purchase discount available}

Sold out Gem Gacha💎 Trapiche Diamond (Sliced ​​Diamond) 1 stone {Multiple purchase discount available}

Gem Gacha💎 Trapiche Diamond (Sliced ​​Diamond) 1 stone {Multiple purchase discount available}

Sold out 《9石限定》ジェムガチャ『春色カラー』💎バイカラートルマリン1石 - カラッツSTORE

Gem Gacha "Spring Colors" 💎 1 Bicolor Tourmaline (Multiple Purchase Discounts Available)

Sold out 《残り4石》ジェムガチャ💎ジンバブエ産ソーヤブルダイヤモンド1石（正八面体,VS~SIクラス相当） - カラッツSTORE

Gem Gacha💎1 Zimbabwe sawable diamond (regular octahedron, VS~SI class equivalent)

Sold out Gem Gacha💎1 Paraiba Tourmaline from Brazil (Batalha Mine)

Gem Gacha💎1 Paraiba Tourmaline from Brazil (Batalha Mine)

Sold out Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Sold out Gem Gacha💎1 special fluorescent diamond (VS-SI class equivalent, 2.0mm)

Gem Gacha💎1 special fluorescent diamond (VS-SI class equivalent, 2.0mm)

【12/6 22時販売】《数量限定》何が届くかお楽しみ！原石＆ルース2石セットガチャ〈レアストーンあり〉《複数購入割引有》　

【12/6 22時販売】《数量限定》何が届くかお楽しみ！原石＆ルース2石セットガチャ〈レアストーンあり〉《複数購入割引有》　 Sale price¥1,680
Sold out 【12/6 22時販売】通常7万円のFANCY DEEPのピンクダイヤモンド0.072ctを含むダイヤガチャ💎VSクラス相当のアイスブルーダイヤモンドなど《複数購入割引有》

【12/6 22時販売】通常7万円のFANCY DEEPのピンクダイヤモンド0.072ctを含むダイヤガチャ💎VSクラス相当のアイスブルーダイヤモンドなど《複数購入割引有》
【12/6 22時販売】《13石限定》さくらインカットやダンデライオンカットを含むスピネルガチャ1石ルース《複数購入割引有》

【12/6 22時販売】《13石限定》さくらインカットやダンデライオンカットを含むスピネルガチャ1石ルース《複数購入割引有》 Sale price¥4,980

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.