【8/30 22時販売】《限定8石》ブラジル産レインボーアクアマリン1石ルース（平均0.9ct,ペアシェイプカット）《複数購入割引有》
Sale price¥4,980
Sphene 0.590ct loose
Sale price¥3,980
Sphene 0.320ct loose
Sale price¥3,980
Goethite in quartz 1.020ct loose
Sale price¥2,980
Rose quartz 15mm/10.950ct loose
Sale price¥3,980
Rose quartz 15mm/10.850ct loose
Sale price¥3,980
[12531407 published] Bicolor Zoisite 0.860ct rough stone
Sale price¥3,980
Sphane 4.3mm/0.275ct loose
Sale price¥3,980
Sphene 4.3mm/0.360ct loose
Sale price¥3,980
【8/24 22時販売】《限定12石》マダガスカル産サファリン（サファーリン）1石ルース《複数購入割引有》
Sale price¥2,980
Fluorite 1.420ct loose stone
Sale price¥3,980
Hessonite Garnet 0.309ct Loose Stone
Sale price¥4,980
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
Tourmaline 0.360ct loose stone
Sale price¥2,980
![Limited Edition of 11: Two Koshu Kiriko plusthree stones (average 18 carats) with one Dendritic Quartz Gacha (with one Copper Rutile in Quartz) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3ad725c9-c6ee-4442-97de-622610f35fbb.png?v=1755304224&width=2000)
![[Available at 10 PM on August 10th] Limited Quantity: Brazilian Yellow Danburite Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010296_93b18168-adac-4046-a787-5526f00e9467.jpg?v=1755047677&width=4000)
![[Available at 10 PM on August 9th] Limited Quantity: 1.5mm Pink Spinel from Myanmar (including Hot Pink Spinel) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010178_cfebbbd9-0116-4cc1-be32-c12acb39a6ea.jpg?v=1754628360&width=4000)
Prehnite 0.818ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.358ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
Morganite 0.863ct loose
Sale price¥3,980
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Labradorite 6mm/0.741ct loose (rose cut)
Sale price¥3,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
[12541081 published] Emerald 9.380ct rough stone
Sale price¥4,980
Cornel pin cat's eye 0.422ct loose
Sale price¥2,980
Cornel pin cat's eye 0.657ct loose
Sale price¥3,980
![Limited to 5 sets! Fluorescent Diamond Gacha! 💎 Set of 2 loose diamonds (2.4-3.4mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_babdcd12-efb0-4d6b-a475-96acc66283bf.png?v=1754035671&width=2000)
![[Available at 10 PM on August 2nd] [Limited to 5 stones] Brazilian Rhodonite in Quartz (Faceted Cut) - 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010036_ee59870c-747b-4c6f-8edb-fbfff46f61ae.jpg?v=1754194744&width=4000)
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Mexican cantera opal 8.454ct loose
Sale price¥3,980
![[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges](http://store.karatz.jp/cdn/shop/files/1_5a75b2c0-74f1-4382-ab20-f2df8b91fb77.png?v=1753776085&width=1080)
![[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges](http://store.karatz.jp/cdn/shop/files/1_110c1f46-fe62-4d98-b010-3afc05a4bbb1.png?v=1753775636&width=1080)
Green tourmaline 0.305ct loose stone
Sale price¥3,980
Pink tourmaline 0.377ct loose
Sale price¥3,980
Diaspore 0.660ct loose
Sale price¥3,980
Diaspore 0.657ct loose
Sale price¥3,980
Diaspore 0.672ct loose
Sale price¥3,980
Montebrasite from Madagascar 0.366ct loose
Sale price¥3,980
Myanmar Maw Sisit 0.855ct loose stone (Maw Sisit)
Sale price¥4,980
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Brazilian green tourmaline 0.541ct loose stone
Sale price¥4,980
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.
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.