Cabochon Cut
【11/11 22時販売】ブラジル産トルマリンキャッツアイ 3.414ctルース
Sale price¥51,800
【11/10 22時販売】コンゴ産ヘミモルファイト 4.594ctルース
Sale price¥25,800
Brazilian Quartz 13.991ct Loose Patch
Sale price¥7,980
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥188,000
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Argentine Inca Rose 15.960ct loose stone
Sale price¥9,800
Argentine Inca Rose 15.190ct loose stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 1.146ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.287ct Loose Stone
Sale price¥25,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥45,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥29,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥19,800
Indian Cavansite 1.717ct loose stone
Sale price¥6,980
【11/3 22時販売】ブラジル産トルマリンキャッツアイ 3.977ctルース
Sale price¥59,800
【11/3 22時販売】ブラジル産トルマリンキャッツアイ 3.375ctルース
Sale price¥52,800
【11/3 22時販売】ケニア産非加熱ゴールドシーンサファイア 0.269ctルース 鑑別書
Sale price¥19,800
【11/6 22時販売】メキシコ産カンテラオパール 7.561ctルース
Sale price¥19,800
【11/6 22時販売】メキシコ産カンテラオパール 12.620ctルース
Sale price¥29,800
【11/7 22時販売】メキシコ産ファイアオパール 0.587ctルース
Sale price¥9,800
【11/7 22時販売】メキシコ産ファイアオパール 0.700ctルース
Sale price¥8,800
【11/11 22時販売】メキシコ産ファイアオパール 0.500ctルース
Sale price¥14,800
[Item 12564468] Australian Black Opal 0.306ct Loose Stone
Sale price¥25,800
[Item 12564642] Colombian Trapiche Emerald 1.036ct Loose Stone
Sale price¥69,800
[Available 10/10 at 10 PM] Hemimorphite from Congo, 3.363ct loose stone
Sale price¥18,800
[Ref: 12564306] Brazilian Emerald Cat's Eye 0.582ct Loose Gemstone
Sale price¥22,800
[Item 12564332] Kenyan Gold Sheen Sapphire 0.859ct Loose Gemstone
Sale price¥59,800
[10/5 10:00 PM Release] Australian Black Opal 0.261ct Loose Stone
Sale price¥9,800
[On sale 9/26 at 10 PM] Mexican Fire Opal 0.593ct Loose Stone
Sale price¥11,800
[Available 9/26 at 10 PM] Picture Agate 8.321ct Loose Stone
Sale price¥9,800
[On sale 9/26 at 22:00] Mexican Cantera Opal 9.166ct loose gemstone
Sale price¥29,800
[Available 9/19 at 10 PM] Mexican Cantera Opal 24.256ct Loose Stone
Sale price¥69,800
[Available 9/19 at 10 PM] Mexican Fire Agate 5.272ct Loose Stone
Sale price¥9,800
[9/23 10 PM Sale] Mexican Fire Opal 0.824ct Loose Gemstone
Sale price¥12,800
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.