Pink tourmaline cat's eye 5.460ct loose
Sale price¥8,800
Bicolor tourmaline 6.40ct loose
Sale price¥7,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
![[Available at 10 PM on August 3rd] Montana Sapphire 2.8mm/0.098ct Loose Stone (Yellow)](http://store.karatz.jp/cdn/shop/files/P2240964.jpg?v=1754194546&width=3198)
![[Available at 10 PM on August 3rd] Montana Sapphire 2.5mm/0.071ct Loose Stone (Yellow)](http://store.karatz.jp/cdn/shop/files/P2240936_1_780a67cf-9d27-4ec7-8040-71643ad8ba56.jpg?v=1754194279&width=2572)
Ruby 0.182ct loose
Sale price¥5,980
Ruby 0.209ct loose
Sale price¥5,980
Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate
Sale price¥6,980
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Pink sapphire from Greenland 0.336ct loose with certificate
Sale price¥9,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Bastnaesite from Pakistan 1.390ct loose
Sale price¥14,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
[Camellia Cut] Ametrine 11mm/4.207ct《Collaboration》Loose with patch
Sale price¥39,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥25,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥19,800
Mexican cantera opal 34.760ct loose
Sale price¥39,800
Mexican fire agate 33.195ct loose
Sale price¥39,800
Black opal 2.293ct loose
Sale price¥98,000
Cornel pin 1.011ct loose
Sale price¥8,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Star spinel from Myanmar 1.004ct loose
Sale price¥14,800
Tanzanite 1.024ct loose
Sale price¥12,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Fluorite in quartz 100.785ct loose
Sale price¥19,800
Rutilated Quartz (Rutilated Quartz) 92.302ct Loose
Sale price¥12,800
Rutilated Quartz (Rutilated Quartz) 110.150ct Loose
Sale price¥18,800
[12539978 published] Ametrine 1.386ct loose
Sale price¥45,800
Cornel pin cat's eye 0.422ct loose
Sale price¥2,980
Cornel pin cat's eye 0.657ct loose
Sale price¥3,980
Myanmar pink spinel 0.325ct loose stone
Sale price¥6,980
Pink tourmaline 0.841ct loose stone
Sale price¥8,800
![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 8 sets} Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_f0fdc31d-db26-47b4-87a8-0511945601c1.png?v=1754019019&width=2000)
![[Available at 10 PM on August 2nd] [Limited to 6 stones] Zimbabwean sphene loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010086_def144f4-f8b5-4bfa-82d2-2eff5c37880e.jpg?v=1754018390&width=4000)
![[Available at 10 PM on August 2nd] Limited to 8 stones: Nobu Buff Top x Rose Cut Spinel (1 loose stone) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010018_3aecaf23-d2b3-4a21-9baf-0071f29ca097.jpg?v=1754018301&width=4000)
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Tanzanian Golden Sheen Sapphire 0.495ct Loose
Sale price¥6,980
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.