Width: 4.1 - 5.0mm

【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

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

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

[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

[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

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

Unheated ruby 0.430ct loose Sale price¥98,000

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

[10/31 22:00 Sale] Sri Lankan Purple Spinel 1.060ct Loose Sale price¥98,000

[On Sale at 10 PM on October 31st] Madagascar Bicolor Sapphire 0.633ct Loose Sale price¥39,800

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

[12558408] Santa Maria Aquamarine 0.544ct Loose Stone Sale price¥9,800

[12558291] Tibetan Andesine 0.361ct Loose Stone Sale price¥8,800

[12558204] Oregon Sunstone from the United States, 0.478ct Loose Sale price¥8,800

[12558200] Labradorite 0.546ct loose stone Sale price¥7,980

[On Sale at 10 PM on 10/28] Mexican Fire Opal 4.8mm/0.199ct Loose Sale price¥8,800

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

[On Sale at 10pm on 10/22] Indian Iolite Sunstone 0.228ct Loose Sale price¥6,980

[On Sale at 10 PM on October 25th] Mexican Opal (Faceted) 0.242ct Loose Sale price¥8,800

[On Sale at 10pm on 10/25] Brazilian Bicolor Tourmaline 1.965ct Loose Stone Sale price¥18,800

[10/12 22:00 Sale] Unheated Royal Blue Sapphire 0.640ct Loose AIGS Sale price¥158,000

[10/12 22:00 Sale] Cassiterite 4.2mm/0.676ct Loose Stone with Certificate of Authenticity Sale price¥16,800

[10/12 22:00 Sale] Sri Lankan Star Sapphire 1.093ct Loose Sale price¥8,800

[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS Sale price¥48,800

[On Sale 10/18 10 PM] Tanzanian Peristerite 5.1mm/0.458ct Loose Stone (Rose Cut) Sale price¥9,800

[10/18 22:00 Sale] 0.727ct Bicolor Sphalerite Loose Stone from Spain Sale price¥9,800

[10/18 22:00 Sale] Brazilian London Blue Topaz 0.415ct Loose Sale price¥6,980

[10/17 22:00 Sale] Brazilian Morganite 0.484ct Loose Stone Sale price¥12,800

[10/17 22:00 Sale] Brazilian Aquamarine 0.428ct Loose Stone Sale price¥8,800

[10/17 22:00 Sale] Sri Lankan Peristerite 0.272ct Loose Stone Sale price¥11,000

[10/12 22:00 Sale] Chinese Cinnabar 1.358ct Loose Stone with Certificate of Authenticity Sale price¥22,800

[On Sale at 10pm on 10/21] Brazilian Bicolor Tourmaline 1.449ct Loose Sale price¥19,800

[On Sale at 10 PM on October 12th] Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA Sale price¥128,000

[10/10 22:00 Sale] Cambodian Colorless Zircon 0.630ct Loose Sale price¥8,800

[10/10 22:00 Sale] Cambodian Colorless Zircon 0.905ct Loose Sale price¥9,800

[10/10 22:00 Sale] Australian Opal 0.374ct Loose Sale price¥6,980

[On Sale at 10 PM on October 8th] Brazilian Pink Tourmaline 0.385ct Loose Stone Sale price¥7,980

[On Sale at 10 PM on October 8th] 0.597ct Green Apatite Loose Stone from Madagascar Sale price¥6,980

[On Sale at 10 PM on October 8th] Pakistani Oil-in-Quartz 0.353ct Loose Stone (Faceted) Sale price¥8,800

[On sale from 10/10 at 10pm] Illusion Tourmaline (Iridescent Tourmaline) 0.622ct Loose Stone Sale price¥19,800

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.850ct Loose Stone Sale price¥22,800

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.818ct Loose Stone Sale price¥22,800

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.