[On sale 3/18 at 22:00] Tanzanite from Tanzania 0.559ct loose stone
Sale price¥9,800
[On sale 3/18 at 22:00] Tanzanite from Tanzania 0.479ct loose stone
Sale price¥7,980
[On sale 3/18 at 22:00] Tanzanite from Tanzania 0.331ct loose stone
Sale price¥5,980
[On sale 3/18 at 22:00] Tanzanite from Tanzania 0.734ct loose stone
Sale price¥12,800
[On sale 3/17 at 22:00] Tanzanite from Tanzania 0.725ct loose stone
Sale price¥9,800
[On sale 3/17 at 22:00] Tanzanite from Tanzania 0.338ct loose stone
Sale price¥8,800
[On sale 3/19 at 10pm] Color change sapphire 0.265ct loose stone
Sale price¥18,800
[On sale 3/24 at 10pm] Tanzanite from Tanzania 0.518ct loose stone
Sale price¥12,800
[On sale 3/9 at 22:00] Sri Lankan blue spinel 0.153ct loose stone
Sale price¥8,800
[On sale 3/12 at 22:00] Sri Lankan blue spinel 0.584ct loose stone
Sale price¥12,800
[On sale 3/6 at 22:00] Myanmar color change zircon 0.758ct loose stone
Sale price¥55,800
[On sale 3/2 at 22:00] Myanmar purple spinel 0.311ct loose stone
Sale price¥8,800
Unheated Sri Lankan purple sapphire 0.986ct loose stone
Sale price¥9,800
[On sale 2/8 at 10pm] Brazilian amethyst 4.961ct loose stone
Sale price¥3,980
[On sale 2/8 at 10pm] Tanzanite from Tanzania 7.0mm/1.427ct loose stone
Sale price¥55,800
[On sale 2/7 at 10pm] Tanzanian bicolor zoisite 2.665ct loose stone
Sale price¥98,000
[On sale 2/6 at 22:00] Tanzanian purple spinel 0.333ct loose stone
Sale price¥9,800
[On sale 2/2 at 10pm] Tanzanian purple spinel 0.356ct loose stone
Sale price¥8,800
[On sale 2/6 at 22:00] Tanzanian purple spinel 0.307ct loose stone
Sale price¥9,800
[On sale 2/2 at 10pm] Tanzanian purple spinel 0.346ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.147ct Loose Stone
Sale price¥3,980
Tanzania Bicolor Zoisite 3.7mm/0.228ct Loose Stone
Sale price¥5,980
Tanzanite from Tanzania 5.0mm/0.481ct loose stone
Sale price¥12,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.824ct Loose Stone
Sale price¥39,800
Tanzanian Rhodolite Garnet 0.670ct Loose Stone
Sale price¥8,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Kasharai Amethyst 0.756ct loose stone
Sale price¥8,800
Hackmanite from Afghanistan 4.0mm/0.181ct loose stone
Sale price¥9,800
Sri Lankan Purple Sapphire 0.797ct Loose
Sale price¥18,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Afghanistan Hackmanite 0.364ct loose stone
Sale price¥15,800
Hackmanite rough stone from Afghanistan, 7.183ct
Sale price¥39,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.440ct Loose
Sale price¥18,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.