【11/2 22時販売】ペリドット 3.995ctルース（リリーパッドインクルージョン）
Sale price¥22,800
【11/2 22時販売】ペリドット 3.858ctルース（リリーパッドインクルージョン）
Sale price¥25,800
【11/2 22時販売】ペリドット 2.834ctルース
Sale price¥19,800
【11/2 22時販売】ペリドット 2.977ctルース
Sale price¥19,800
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥8,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Tanzanian Tanzanite 1.36ct Loose
Sale price¥49,800
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥29,800
Myanmar Ruby 0.283ct Loose
Sale price¥25,800
Emerald 0.484ct loose
Sale price¥7,980
Madagascar Apatite 1.038ct Loose
Sale price¥11,800
Madagascar Pink Tourmaline 0.543ct Loose Stone
Sale price¥12,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥9,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Brazilian Quartz 13.991ct Loose Patch
Sale price¥7,980
Australian Black Opal 0.386ct Loose Stone
Sale price¥29,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
【11/1 22時販売】インド産アイオライトサンストーン 2.503ctルース
Sale price¥12,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥188,000
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Argentine Inca Rose 15.960ct loose stone
Sale price¥9,800
Argentine Inca Rose 15.190ct loose stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥79,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥45,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥45,800
Indian Cavansite 1.717ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
【10/31 22時販売】ブラジル産アメジスト 4.352ctルース
Sale price¥29,800
【11/2 22時販売】アフガニスタン産ブルーサイト 3.415ctルース
Sale price¥35,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥8,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥79,800
【10/27 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.305ctルース
Sale price¥13,800
【10/29 22時販売】アメリカ産オレゴンサンストーン 6.221ctルース
Sale price¥128,000
【10/28 22時販売】クォーツァイト 2.619ctルース
Sale price¥14,800
[Available 10/10 at 10 PM] Hemimorphite from Congo, 3.363ct loose stone
Sale price¥18,800
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.
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.