Oval Cut
【10/25 22時販売】メキシコ産オパール（ファセットカット） 0.242ctルース
Sale price¥8,800
【10/23 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 0.064ctルース
Sale price¥9,800
【10/23 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 0.061ctルース
Sale price¥9,800
【10/24 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 0.036ctルース
Sale price¥6,980
【10/23 22時販売】ブラジル産アクアマリン 0.334ctルース
Sale price¥6,980
【10/24 22時販売】インド産クリソベリル 0.424ctルース（カナリーイエロー）
Sale price¥15,800
【10/23 22時販売】モザンビーク産ロードライトガーネット 1.052ctルース
Sale price¥8,800
【10/13 22時販売】アメリカ産ベニトアイト 0.185ctルース
Sale price¥128,000
【10/13 22時販売】アメリカ産ベニトアイト 0.175ctルース
Sale price¥128,000
[10/12 22:00 Sale] Unheated Royal Blue Sapphire 0.640ct Loose AIGS
Sale price¥158,000
[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS
Sale price¥48,800
![[12560902] Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA109778.jpg?v=1760833435&width=4000)
[12560902] Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
![[12560901] 0.192ct loose demantoid garnet from Russia](http://store.karatz.jp/cdn/shop/files/PA109734_673d8bac-65cf-46d5-9c47-e6711712ecf4.jpg?v=1760833435&width=3031)
[12560901] 0.192ct loose demantoid garnet from Russia
Sale price¥98,000
[12560888] Pakistani sphene 0.489ct loose stone
Sale price¥11,000
[12560887] Pakistani Sphene 0.396ct Loose Stone
Sale price¥9,800
[12560884] German Auchenite 0.095ct Loose Stone
Sale price¥39,800
[12560883] German Auchenite 0.085ct Loose Stone
Sale price¥45,800
![[12560882] German Auchenite 0.083ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA109200_6f575e00-63c1-45f8-9be2-d9d04618dc5f.jpg?v=1760833435&width=2861)
[12560882] German Auchenite 0.083ct Loose Stone
Sale price¥45,800
[12552081] Unheated Brazilian Paraiba Tourmaline 0.025ct Loose Stone
Sale price¥29,800
[12552075] Unheated Brazilian Paraiba Tourmaline 0.037ct loose stone
Sale price¥45,800
[12552074] Unheated Brazilian Paraiba Tourmaline 0.042ct Loose Stone
Sale price¥59,800
[On Sale at 10pm on October 5th] American Benitoite 0.262ct Loose Stone
Sale price¥128,000
[10/10 22:00 Sale] Cambodian Colorless Zircon 0.905ct Loose
Sale price¥9,800
[10/10 22:00 Sale] Brazilian Petalite 1.197ct Loose Stone
Sale price¥7,980
[10/10 22:00 Sale] Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone
Sale price¥98,000
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.850ct Loose Stone
Sale price¥22,800
[On Sale at 10pm on October 3rd] Zimbabwean Sphene 0.756ct Loose Stone
Sale price¥18,800
[On Sale at 10pm on October 1st] 1.406ct Loose Rubellite from Mozambique
Sale price¥69,800
[On sale at 10pm on September 20th] German Auchenite 0.097ct Loose Stone
Sale price¥39,800
[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone
Sale price¥9,800
0.276ct loose hot pink spinel from Myanmar
Sale price¥19,800
[On Sale 10/2 at 10pm] Tanzanian Dragon Garnet 1.019ct Loose Stone
Sale price¥25,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
0.466ct Saffron Loose Stone with Certificate of Authenticity
Sale price¥37,800
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.