Width: 4.1 - 5.0mm

[On Sale at 10 PM on October 9th] Tanzanian Dragon Garnet 5.0mm/0.767ct Loose Stone Sale price¥19,800

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 0.931ct Loose Stone Sale price¥25,800

[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone Sale price¥29,800

[On sale from 10/7 at 10pm] Zimbabwean sphene 0.987ct loose stone Sale price¥19,800

[On sale from 10/7 at 10pm] Zimbabwean sphene 0.978ct loose stone Sale price¥18,800

[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 10 PM on September 23rd] Tanzanian Dragon Garnet 0.710ct Loose Stone Sale price¥19,800

[12549429] Blue sapphire 0.862ct loose stone Sale price¥25,800

マリ共和国産マリガーネット（グロッシュラー/アンドラダイト・ガーネット） 0.393ctルース

[Available at 10 PM on September 22nd] Mali Garnet (Grossular/Andradite Garnet) 4.2mm/0.393ct Loose Stone from the Republic of Mali with Certificate of Authenticity Sale price¥9,800

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

[On Sale at 10 PM on October 4th] Blue Sapphire 4.1mm/0.332ct Loose Sale price¥25,800

[On sale at 10pm on September 30th] Blue sapphire 0.291ct loose stone Sale price¥18,800

[On Sale at 10pm on October 3rd] Zimbabwean Sphene 0.756ct Loose Stone Sale price¥18,800

[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

[On Sale at 10 PM on October 3rd] American Anthill Garnet 0.822ct Loose Stone Sale price¥19,800

[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone Sale price¥9,800

[On Sale at 10 PM on September 16th] Brazilian Indigolite Tourmaline 4.0mm/0.240ct Loose Stone with Certificate of Authenticity Sale price¥29,800

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

[On Sale at 10 PM on September 27th] Brazilian Gashenite 0.259ct Loose Stone Sale price¥6,980

[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

[Sold at 10 PM on September 13th] Brazilian Indigolite Tourmaline 0.715ct Loose Stone with Certificate of Authenticity Sale price¥45,800

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

[On Sale at 10 PM on September 15th] Tanzanian Dragon Garnet 0.977ct Loose Stone Sale price¥27,800

[On Sale at 10 PM on September 13th] Tanzanian Dragon Garnet 0.754ct Loose Stone Sale price¥19,800

フローレスダイヤモンド（H&C） 0.266ctルース(D, FL, 3Excellent H&C)

[On Sale at 10 PM on September 6th] Flawless Diamond (H&C) 4.0mm/0.266ct Loose (D, FL, 3 Excellent H&C) GIA & Chuhokan Sale price¥188,000

[On Sale at 10 PM on August 31st] Colombian Mint Emerald 0.214ct Loose Sale price¥8,800

[On Sale at 10 PM on September 1st] Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone Sale price¥24,800

[On Sale at 10 PM on September 6th] 0.610ct Loose Blue Apatite from Madagascar Sale price¥9,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 0.978ct Loose Stone Sale price¥12,800

[On sale at 10pm on September 17th] 0.417ct loose blue sapphire from Madagascar Sale price¥9,800

[On sale at 10 PM on September 6th] Brazilian Bicolor Imperial Topaz 0.981ct Loose Sale price¥79,800

[On sale at 10pm on September 6th] Russian emerald 0.269ct loose stone Sale price¥79,800

0.466ct Saffron Loose Stone with Certificate of Authenticity Sale price¥37,800

Cornflower blue sapphire 0.490ct loose stone Sale price¥98,000

[Available at 10 PM on August 24th] Colombian Mint Emerald 4.3mm/0.306ct Loose Stone Sale price¥8,800

Padparadscha sapphire 0.200ct loose Sale price¥29,800

[Available at 10 PM on August 24th] Myanmar Leuco Garnet 4.0mm/0.371ct Loose Stone Sale price¥39,800

[8/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.300ct Loose Sale price¥15,800

[On sale at 10pm on August 8th] Zimbabwean Euclase 0.545ct Rough Stone Sale price¥29,800

[On Sale at 10 PM on August 9th] Zimbabwean Sphene 4.1mm/0.294ct Loose Stone Sale price¥6,980

[On sale at 10pm on September 7th] Pakistani Peridot 0.361ct Loose Stone Sale price¥4,980

[On sale at 10pm on September 15th] Pakistani Peridot 0.408ct 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.