0.1ct - 2.0ct

【11/3 22時販売】ミャンマー産バイカラースターサファイア 0.640ctルース Sale price¥45,800

[11/1 22:00 Sale] Tasmanian Crocoite 0.292ct Loose Stone, Japan-Germany Qualification Sale price¥79,800

[11/1 22:00 Sale] Tanzanian Wurtzite 0.567ct Loose Stone, Japan-Germany Qualification Sale price¥198,000

Sri Lankan blue sapphire 0.555ct loose stone Sale price¥29,800

Mozambique rubellite 0.814ct loose stone Sale price¥39,800

Brazilian green tourmaline 1.738ct loose stone Sale price¥59,800

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

Tanzanian Sunstone 0.980ct Loose Stone Sale price¥9,800

Tanzanian Sunstone 0.807ct Loose Stone Sale price¥8,800

American Peridot 0.635ct Loose Stone Sale price¥12,800

American Peridot 0.283ct Loose Stone Sale price¥8,800

Kunzite from Afghanistan 0.753ct loose stone Sale price¥9,800

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

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

Tanzanian Zoisite 0.473ct Loose Stone Sale price¥9,800

[12559917] Sunstone 1.355ct Loose Sale price¥8,800

[12559916] Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone Sale price¥12,800

[12559858] Pakistani Peridot 0.517ct Loose Stone Sale price¥9,800

[12559857] Pakistani Peridot 0.562ct Loose Stone Sale price¥9,800

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

[12559763] Zimbabwean sphene 0.400ct loose stone Sale price¥9,800

[12559545] Colombian Euclase 0.546ct Loose Stone Sale price¥25,800

[12559448] Mexican Opal 0.233ct Loose Sale price¥12,800

[12559446] Tanzanian Kornerupine 0.241ct Loose Stone Sale price¥45,800

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

【11/2 22時販売】メキシコ産ハイアライトオパール 1.420ctルース Sale price¥18,800

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

[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone Sale price¥15,800

[11/1 22:00 Sale] Sri Lankan saffron 0.738ct loose stone Sale price¥98,000

[On Sale 11/1 at 10pm] Tanzanian Kornerupine 0.324ct Loose Stone Sale price¥29,800

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

[11/1 22:00 Sale] Tibetan Andesine 0.738ct Loose Stone Sale price¥15,800

Indigolite Tourmaline 0.649ct Loose Stone Sale price¥39,800

Indigolite Tourmaline 0.634ct Loose Stone Sale price¥39,800

Tanzanian Zoisite 0.684ct Loose Stone Sale price¥19,800

[12559942] Tourmaline 0.486ct loose stone Sale price¥29,800

[12559941] Tourmaline 0.314ct loose stone Sale price¥22,800

Unheated ruby 0.430ct loose Sale price¥98,000

Nigerian Cobalt Garnite 0.152ct Loose Stone Sale price¥45,800

Nigerian Cobalt Garnite 0.171ct Loose Stone Sale price¥49,800

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

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

[11/1 22:00 Sale] Brazilian Pink Tourmaline 1.515ct Loose Stone Sale price¥98,000

[On Sale at 10 PM on October 31st] Tanzanian Bicolor Sapphire 0.486ct Loose Sale price¥12,800

[On sale from 10/28 at 10pm] Rhodolite Garnet 1.270ct Loose Stone Sale price¥7,980

[On Sale at 10 PM on 10/28] Brazilian Amblygonite/Montebrasite 0.644ct Loose Stone Sale price¥9,800

[On Sale 10/27 10pm] Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone Sale price¥15,800

[On Sale at 10 PM on October 27th] Brazilian Citrine 5.4mm/0.769ct Loose Stone 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.