Login

Items under 10,000 yen

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

《Limited to 8 Stones》Myanmar Black Spinel (Blemished) 《Bulk Purchase Discount Available》
Sold out [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"

[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
Sold out 《Limited to 10 stones》Brazilian Mint-colored Montebrasite (Princess Cut approx. 3.5mm) single loose stone 《Multiple purchase discount available》

《Limited to 10 stones》Brazilian Mint-colored Montebrasite (Princess Cut approx. 3.5mm) single loose stone 《Multiple purchase discount available》
Sold out 《Limited to 10 Stones》Rough Gemstone Gacha featuring Paraiba Tourmaline (CuO: 1.7%+), Benitoite and more (includes 1 free Oregon Sunstone) 《Multiple Purchase Discount Available》

《Limited to 10 Stones》Rough Gemstone Gacha featuring Paraiba Tourmaline (CuO: 1.7%+), Benitoite and more (includes 1 free Oregon Sunstone) 《Multiple Purchase Discount Available》
Sold out タンザナイト 0.760ctルース

Tanzanite 0.760ct loose stone (sugarloaf cut)
Sold out オレゴンサンストーン 0.713ctルース

Oregon Sunstone 0.713ct loose
Sold out 《Purchased in Hong Kong》Afghan Green Hauyne 1 Piece Loose Stone with Full Stone Identification Report《Multiple Purchase Discount Available》

《Purchased in Hong Kong》Afghan Green Hauyne 1 Piece Loose Stone with Full Stone Identification Report《Multiple Purchase Discount Available》

Sold out マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 0.582ctルース

0.582ct Loose Andesine-Labradorite from Madagascar (Common Name: Rainbow Moonstone)
Sold out アルマンディンガーネット 0.660ctルース

Almandine Garnet 0.660ct Loose
Sold out マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 0.610ctルース

Madagascar Andesine-Labradorite (commonly known as Rainbow Moonstone) 5.0mm/0.610ct Loose Stone

Sold out マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 0.640ctルース

Loose 0.640 ct Madagascan Andesine-Labradorite (commonly known as Rainbow Moonstone)
Sold out マダガスカル産カナリーイエロークリソベリル 0.292ctルース

Madagascar Canary Yellow Chrysoberyl 4.2mm/0.292ct Loose Stone with Gemstone Identification Report
Sold out カンボジア産ブルージルコン 0.744ctルース

Cambodian Blue Zircon 0.744ct Loose Stone
Sold out メキシコ産オパール 0.677ctルース

Mexican Opal 0.677ct Loose

Sold out 《Limited to 10 stones》Madagascar Andesine-Labradorite (Rainbow Moonstone) Gacha Loose Stone (average 0.40ct)《Multiple Purchase Discount Available》

《Limited to 10 stones》Madagascar Andesine-Labradorite (Rainbow Moonstone) Gacha Loose Stone (average 0.40ct)《Multiple Purchase Discount Available》
Sold out 《Limited to 5 stones》Cambodian Ratanakiri Blue Zircon Gacha (average 0.73ct)《Multiple Purchase Discount Available》

《Limited to 5 stones》Cambodian Ratanakiri Blue Zircon Gacha (average 0.73ct)《Multiple Purchase Discount Available》
Sold out 《Limited to 1 Set》2 Tanzanian Illusion Sunstone Set Cut by NOBU《Multiple Purchase Discount Available》

《Limited to 1 Set》2 Tanzanian Illusion Sunstone Set Cut by NOBU《Multiple Purchase Discount Available》
Sold out [Limited to 7 stones] Anthill Garnet 1 stone loose (oval cut, approx. 4x3mm) [Multiple purchase discount available]

[Limited to 7 stones] Anthill Garnet 1 stone loose (oval cut, approx. 4x3mm) [Multiple purchase discount available]
Sold out Sapphire Gacha where you can win a Padparadscha Sapphire with DGL certificate, normally ¥29,800! 💎 (Includes one white sapphire as a bonus)《Bulk purchase discount available》

Sapphire Gacha where you can win a Padparadscha Sapphire with DGL certificate, normally ¥29,800! 💎 (Includes one white sapphire as a bonus)《Bulk purchase discount available》
Sold out 《Limited to 15 Stones》Ruby Gacha with 2 Pigeon Blood Rubies with Certificates (Synthetic Ruby as a Bonus)《Multiple Purchase Discount Available》

《Limited to 15 Stones》Ruby Gacha with 2 Pigeon Blood Rubies with Certificates (Synthetic Ruby as a Bonus)《Multiple Purchase Discount Available》
Sold out Sapphire Gacha where you can win a Cornflower Blue Sapphire with AIGS certificate 💎 Comes with a trillion sapphire as a bonus gift《Multiple purchase discount available》

Sapphire Gacha where you can win a Cornflower Blue Sapphire with AIGS certificate 💎 Comes with a trillion sapphire as a bonus gift《Multiple purchase discount available》
Sold out Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available

Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available
Sold out [On sale May 24th at 10 PM] "Limited to 12 Stones" Blue Gemstone Gacha 💎 Brazil Paraiba Tourmaline (CuO: 1.5%, MnO: 3.2%) and Zimbabwe Euclase, normally priced at ¥35,800, and more! (Multiple purchase discount available)

[On sale May 24th at 10 PM] "Limited to 12 Stones" Blue Gemstone Gacha 💎 Brazil Paraiba Tourmaline (CuO: 1.5%, MnO: 3.2%) and Zimbabwe Euclase, normally priced at ¥35,800, and more! (Multiple purchase discount available)
Sold out ミャンマー産レッドスピネル 0.174ctルース

Myanmar red spinel, 3.5mm/0.174ct, loose
Sold out ミャンマー産レッドスピネル 0.194ctルース

Myanmar Red Spinel 3.4mm/0.194ct Loose Stone
Sold out スリランカ産ムーンストーン 0.794ctルース

Sri Lankan Moonstone 0.794 ct Loose
Sold out マダガスカル産バイカラーサファイア 0.488ctルース

Madagascar Bi-Color Sapphire 4.7mm/0.488ct Loose Stone

Sold out マダガスカル産バイカラーサファイア 0.765ctルース

Madagascar Bi-color Sapphire 5.4mm/0.765ct Loose Stone
Sold out マダガスカル産バイカラーサファイア 0.741ctルース

Madagascar Bicolor Sapphire 5.3mm/0.741ct Loose Stone
Sold out マダガスカル産バイカラーサファイア 0.506ctルース

Madagascar Bi-Color Sapphire 4.5mm/0.506ct Loose Stone
Sold out アンダリュサイト 0.347ctルース

Spanish Andalusite 4.5mm/0.347ct Loose
Sold out 《Limited to 11 Stones》Ametrine Sakura-cut Koshu-kiseki-kiriko plusthree Gacha (usually 29,800 yen) including flower cuts (with a bonus mini-trine stone)《Multiple purchase discount available》

《Limited to 11 Stones》Ametrine Sakura-cut Koshu-kiseki-kiriko plusthree Gacha (usually 29,800 yen) including flower cuts (with a bonus mini-trine stone)《Multiple purchase discount available》
Sold out K18 琥珀（こはく）/コパル ペンダントトップ（ネックレストップ）

[Karafuru] K18 Copal Pendant Top (Necklace Top) / Charm with Appraisal
Sold out タンザニア産ゾイサイト 0.227ctルース

[12550864] 0.227ct loose zoisite from Tanzania
Sold out ブラジル産ピンクトルマリン 0.470ctルース

Brazilian Pink Tourmaline 0.470ct Loose Stone
Sold out ルベライト 0.410ctルース

Mozambique Rubellite 0.410ct Loose Stone
Sold out オレゴンサンストーン 0.462ctルース

Oregon Sunstone 0.462ct loose
Sold out ナイジェリア産コバルトガーナイト 0.095ctルース

0.095 ct Nigerian Cobalt-bearing Gahnite Loose Stone with Gemstone Identification Report
Sold out Limited to 2 stones: 1 Sri Lankan Dunilite stone, all stones include a gemological certificate. (Multiple purchase discount available)

Limited to 2 stones: 1 Sri Lankan Dunilite stone, all stones include a gemological certificate. (Multiple purchase discount available)
Sold out 《Limited to 12 Stones》Garnet Gacha including 8mm Dandelion-Cut Rhodolite Garnet (normally 39,800 yen) 《Multiple Purchase Discount Available》

《Limited to 12 Stones》Garnet Gacha including 8mm Dandelion-Cut Rhodolite Garnet (normally 39,800 yen) 《Multiple Purchase Discount Available》
Sold out 《Limited to 10 Stones》Flower-Cut Gem Gacha 💎 Usually 39,800 yen for Sakura-shaped and newly cut rubies (newly cut as a bonus) 《Bulk Purchase Discount Available》

《Limited to 10 Stones》Flower-Cut Gem Gacha 💎 Usually 39,800 yen for Sakura-shaped and newly cut rubies (newly cut as a bonus) 《Bulk Purchase Discount Available》
Sold out 《Limited 6 Stones》Needle Inclusion Blue Topaz 1 Stone Loose (Avg. 16ct)《Multiple Purchase Discount Available》

《Limited 6 Stones》Needle Inclusion Blue Topaz 1 Stone Loose (Avg. 16ct)《Multiple Purchase Discount Available》
Sold out [Limited to 11 Stones] Madagascar Sapphire Gacha (including bicolor and silky colors, 3.5~5.4mm) [Multi-purchase discount available]

[Limited to 11 Stones] Madagascar Sapphire Gacha (including bicolor and silky colors, 3.5~5.4mm) [Multi-purchase discount available]
Sold out Limited to 12 stones! Gemstone Gacha including Brazilian Paraiba Tourmaline rough stone 💎 1 rough stone (Multiple purchase discounts available)

Limited to 12 stones! Gemstone Gacha including Brazilian Paraiba Tourmaline rough stone 💎 1 rough stone (Multiple purchase discounts available)
Sold out Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available

Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available
Sold out Limited to 7 stones: One loose colorless apatite from Madagascar (with appraisal certificate for each stone, average 0.60 carat) Discounts available for multiple purchases

Limited to 7 stones: One loose colorless apatite from Madagascar (with appraisal certificate for each stone, average 0.60 carat) Discounts available for multiple purchases
Sold out Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available

Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available
Sold out Felspar 1.478ct loose from Sri Lanka

Felspar 1.478ct loose from Sri Lanka

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.