Radiant Cut

[11/3 22:00] Sri Lankan Blue Sapphire 0.555ct Loose Sale price¥29,800

[11/2 22:00] American Benitoite 0.071ct Loose Stone Sale price¥12,800

[11/2 22:00] Mexican Hyalite Opal 0.743ct Loose Sale price¥12,800

[On sale 11/6 at 10pm] Madagascar Andalusite 1.967ct Loose Stone Sale price¥29,800

[On sale 11/6 at 10pm] 0.097ct Moldavite Loose Stone from the former Czechoslovakia Sale price¥8,800

[On Sale at 10pm on October 31st] Madagascar Grandidierite 0.168ct Loose Stone Sale price¥35,800

[On Sale 11/1 at 10pm] Pakistani Axinite (Green Tint) 1.476ct Loose Stone Sale price¥39,800

[11/1 22:00 Sale] Mozambique Rhodolite Garnet 0.835ct Loose Stone Sale price¥12,800

[11/1 22:00 Sale] Tanzanian Spessartine Garnet 0.383ct Loose Stone Sale price¥12,800

[12557705] Almandine Garnet 0.348ct Loose Stone Sale price¥8,800

[On Sale at 10pm on October 29th] Afghanistan Kunzite 4.331ct Loose Stone Sale price¥8,800

[On Sale at 10pm on 10/28] Brazilian Kasharai Amethyst 0.266ct Loose Stone Sale price¥7,980

[10/17 22:00 Sale] Brazilian Morganite 0.377ct Loose Stone Sale price¥8,800

[10/10 22:00 Sale] Mozambique Almandine Garnet 1.652ct Loose Stone Sale price¥15,800

[On Sale at 10pm on October 9th] Zimbabwean Sphene 0.726ct Loose Stone Sale price¥14,800

[On Sale at 10 PM on September 28th] Malawi Bicolor Zircon 1.661ct Loose Stone Sale price¥59,800

[On sale at 10pm on September 30th] Zimbabwean sphene 0.665ct loose stone Sale price¥12,800

[On Sale at 10pm on October 3rd] Zimbabwean Sphene 1.057ct Loose Stone Sale price¥22,800

[On Sale at 10pm on October 3rd] Zimbabwean Sphene 0.850ct Loose Stone Sale price¥19,800

[On sale from 10/1 at 10pm] Zimbabwean sphene 1.170ct loose stone Sale price¥22,800

[On sale from 10/1 at 10pm] Zimbabwean sphene 0.751ct loose stone Sale price¥16,800

[On Sale at 10:00 PM on October 4th] Brazilian Swiss Blue Topaz 1.065ct Loose Sale price¥11,000

[On sale at 10pm on September 20th] Tibetan Andesine 0.967ct Loose Stone Sale price¥15,800

[10/15 22:00 Sale] Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL Sale price¥25,800

[On sale at 10pm on September 14th] Brazilian Imperial Topaz 0.563ct Loose Sale price¥15,800

[On Sale at 10 PM on September 14th] Tanzanian Rhodolite Garnet 0.801ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on September 26th] Tanzanian Rhodolite Garnet 0.405ct Loose Stone Sale price¥6,980

[Sold at 10 PM on September 18th] Synthetic Alexandrite 1.538ct Loose Stone Sale price¥29,800

[On sale at 10pm on September 18th] 1.476ct loose sphalerite from Spain Sale price¥29,800

[On Sale at 10 PM on September 13th] Mozambique Paraiba Tourmaline 0.154ct Loose Stone Sale price¥19,800

[Sold at 10 PM on September 12th] Brazilian Elestial Amethyst 0.850ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on September 12th] Brazilian Elestial Amethyst 1.008ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on September 2nd] Brazilian Elestial Amethyst 0.724ct Loose Stone Sale price¥6,980

[On sale at 10pm on September 4th] Brazilian Pink Tourmaline 0.234ct Loose Stone Sale price¥8,800

Brazilian blue tourmaline 0.353ct loose Sale price¥9,800

[On sale from 10/20 at 10pm] 0.333ct loose sapphire Sale price¥8,800

[12560246] Green Zoisite 1.316ct Loose Stone Sale price¥15,800

[On sale at 10pm on August 25th] Zimbabwean sphene 0.457ct loose stone Sale price¥8,800

[On sale from 10pm on August 21st] Zimbabwean sphene 0.393ct loose stone Sale price¥8,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.420ctルース

[On Sale at 10 PM on September 9th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.420ct Loose Stone Sale price¥8,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.401ctルース

[On Sale at 10 PM on September 9th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.401ct Loose Stone Sale price¥9,800

[10/11 22:00 Sale] Madagascar Iolite 0.707ct Loose Stone Sale price¥12,800

[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone Sale price¥6,980

[8/13 22:00 Sale] Brazilian Aquamarine 0.255ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 5th] Tanzanian Rhodolite Garnet 0.391ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 16th] Tanzanian Green Zircon 0.364ct Loose Sale price¥6,980

[8/16 22:00 Sale] Brazilian Aquamarine 0.259ct Loose Stone Sale price¥6,980

[On sale at 10pm on August 15th] Mongolian Andesine 0.822ct Loose Stone Sale price¥9,800

KARATZ Custom Made

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.

KARATZ・Five Commitments

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.