【4/2 22時販売】ベトナム産コバルトスピネル 0.085ct原石(カラーシフト)
Sale price¥8,800
【4/2 22時販売】ベトナム産コバルトスピネル 0.075ct原石(カラーシフト)
Sale price¥8,800
【4/5 22時販売】ベトナム産コバルトスピネル(カラーチェンジ) 2.7mm/0.082ctルース 日独鑑
Sale price¥59,800
【3/25 22時販売】パラサイトペリドット(パラサイティックペリドット) 2.1mm/0.042ctルース
Sale price¥18,800
[On sale at 22:00 on 3/15] Namibian Jeremejevite 0.077ct loose stone JTL
Sale price¥35,800
[On sale at 22:00 on 3/15] Namibian Jeremejevite 0.052ct loose stone JTL
Sale price¥18,800
[On sale at 22:00 on 3/22] Namibian Jeremejevite 0.053ct loose stone JTL
Sale price¥15,800
[On sale at 22:00 on 3/22] Namibian Jeremejevite 0.040ct loose stone JTL
Sale price¥15,800
[On sale 3/24 22:00] Bicolor sapphire 0.080ct loose stone
Sale price¥8,800
[On sale 3/3 at 10pm] Silky Diamond 2.7mm/0.086ct Loose
Sale price¥14,800
[On sale 3/9 at 22:00] Pakistani Veirinite 0.040ct loose stone
Sale price¥7,980
[On sale 3/9 at 22:00] Pakistani Veirinite 0.055ct loose stone
Sale price¥9,800
[On sale at 10pm on 2/24] Brazilian Alexandrite 0.052ct loose stone
Sale price¥9,800
[On sale 2/17 at 10pm] Colombian emerald 3.0mm/0.094ct loose stone
Sale price¥19,800
[On sale 2/9 at 10pm] American Benitoite 0.083ct loose stone
Sale price¥22,800
[On sale 2/9 at 10pm] American Benitoite 0.077ct loose stone
Sale price¥25,800
[On sale 2/9 at 10pm] American Benitoite 0.067ct loose stone
Sale price¥19,800
[2/2 22:00 Sale] Brazilian Alexandrite 0.072ct Loose Stone JTL Grade
Sale price¥12,800
[On sale at 22:00 on 2/8] Namibian Jeremejevite 0.018ct loose stone
Sale price¥5,980
[On sale at 22:00 on 2/8] Namibian Jeremejevite 0.027ct loose stone
Sale price¥6,980
[On sale 2/2 at 10pm] Namibian Jeremejevite 0.046ct loose stone
Sale price¥8,800
[On sale 2/2 at 10pm] Namibian Jeremejevite 0.025ct loose stone
Sale price¥6,980
[On sale 2/8 at 22:00] Namibian Jeremejevite 0.037ct loose stone
Sale price¥6,980
[On sale 2/2 at 10pm] Namibian Jeremejevite 0.024ct loose stone
Sale price¥7,980
[On sale 2/1 at 22:00] Namibian Jeremejevite 0.033ct loose stone
Sale price¥7,980
[On sale 2/1 at 22:00] Namibian Jeremejevite 2.3mm/0.063ct loose stone
Sale price¥12,800
Zambian emerald 0.099ct loose stone
Sale price¥9,800
Sillimanite from Sri Lanka 0.186ct loose stone
Sale price¥7,980
Brazilian Alexandrite 0.094ct loose stone
Sale price¥19,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Zimbabwean Euclase 1.8mm/0.021ct Loose Stone
Sale price¥15,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Euclase from Zimbabwe 0.046ct loose
Sale price¥29,800
Zimbabwean Euclase 0.032ct loose stone
Sale price¥15,800

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.