Width: 2.1 - 3.0mm

Sri Lankan blue sapphire 0.187ct loose stone Sale price¥29,800

Zimbabwean Bicolor Euclase 0.196ct Loose Stone Sale price¥45,800

Zimbabwean Bicolor Euclase 0.206ct Loose Stone Sale price¥49,800

Madagascar Bicolor Sapphire 0.266ct Loose Sale price¥16,800

Colombian emerald 0.121ct loose stone Sale price¥12,800

[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose Sale price¥25,800

[12559637] Colombian emerald 0.176ct loose stone Sale price¥59,800

[12559636] Colombian emerald 0.126ct loose stone Sale price¥49,800

[On Sale at 10 PM on October 31st] Russian Demantoid Garnet (Horsetail Recognized) 0.110ct Loose Sale price¥49,800

[12560827] Russian Alexandrite 0.111ct Loose Stone Sale price¥69,800

[12560826] Russian Alexandrite 0.167ct Loose Stone Sale price¥98,000

[12560823] Russian Alexandrite 0.083ct Loose Stone Sale price¥69,800

[12560822] Russian Alexandrite 0.074ct Loose Stone Sale price¥59,800

[12560819] Russian Alexandrite 0.070ct Loose Stone Sale price¥59,800

[10/31 22:00 Sale] German Auchenite 0.063ct Loose Stone Sale price¥29,800

[10/31 22:00 Sale] German Auchenite 0.073ct Loose Stone Sale price¥32,800

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

[On Sale at 10:00 PM on October 28th] 0.090ct Loose Moldavite from the Former Czechoslovakia Sale price¥9,800

[10/19 22:00 Sale] American Benitoite 0.165ct Loose Stone Sale price¥59,800

[On Sale at 10 PM on October 13th] Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut) Sale price¥38,800

[10/13 22:00 Sale] Pakistani Veirinite 0.147ct Loose Stone with Certificate of Authenticity Sale price¥36,800

[10/13 22:00 Sale] American Benitoite 0.175ct Loose Stone Sale price¥128,000

[10/12 22:00 Sale] Pakistani Veirinite 0.145ct Loose Stone with Certificate of Authenticity Sale price¥36,800

[On Sale 10/11 at 10 PM] Brazilian Paraiba Tourmaline 0.170ct Loose Stone (CuO: 2.1%, MnO: 1.1%) Sale price¥198,000

[10/16 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.079ct Loose Stone Sale price¥12,800

[10/16 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.075ct Loose Stone Sale price¥12,800

ロシア産デマントイドガーネット（ホーステール認む） 2.5mm/0.073ctルース

[On Sale at 10 PM on October 25th] Russian Demantoid Garnet (Horsetail Certified) 2.5mm/0.073ct Loose Stone Sale price¥14,800

[Lottery Sale] 0.192ct Russian Demantoid Garnet Loose Stone Sale price¥98,000

[10/13 22:00 Sale] Russian Alexandrite 0.088ct Loose Stone Sale price¥59,800

[On Sale at 10 PM on October 19th] Greenland Ruby 3.0mm/0.134ct Loose Stone with Certificate Sale price¥25,800

[10/19 22:00 Sale] German Auchenite 0.095ct Loose Stone Sale price¥39,800

[10/19 22:00 Sale] German Auchenite 0.085ct Loose Stone Sale price¥45,800

[On sale from 10/21 at 10pm] German Auchenite 0.083ct Loose Stone Sale price¥45,800

[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone Sale price¥69,800

[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone Sale price¥65,800

[On Sale at 10 PM on September 28th] Zimbabwean Bicolor Euclase 0.146ct Loose Stone Sale price¥35,800

[12554117] Brazilian Alexandrite 0.058ct loose stone Sale price¥14,800

[On Sale at 10 PM on September 21st] South African Rough Diamond (Sawable) 0.105ct Rough Stone (with Trigon) Sale price¥39,800

[On Sale at 10 PM on September 30th] Afghanistan Hackmanite 0.091ct Loose Stone Sale price¥18,800

[10/3 22:00 Sale] German Auchenite 0.090ct Loose Stone Sale price¥39,800

[On sale at 10pm on September 20th] German Auchenite 0.097ct Loose Stone Sale price¥39,800

[On sale at 10pm on September 16th] Sri Lankan saffron 0.116ct loose stone with certificate of authenticity Sale price¥25,800

[On Sale at 10 PM on September 21st] Chinese Cinnabar 0.549ct Loose Stone with Certificate of Authenticity Sale price¥19,800

[On Sale at 10 PM on September 19th] Colombian Emerald 0.101ct Loose Sale price¥15,800

[On Sale at 10pm on October 15th] Zimbabwean Bicolor Euclase 0.197ct Loose Stone Sale price¥39,800

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

[On sale at 10pm on September 3rd] Zambian emerald 0.159ct loose stone Sale price¥8,800

[On Sale at 10 PM on August 29th] 0.169ct Loose Pink Sapphire from Mozambique Sale price¥6,980

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.