【4/5 22時販売】ブラジル産アレキサンドライト 0.071ctルース(エメラルドカット)
Sale price¥29,800
【4/5 22時販売】ブラジル産アレキサンドライト 0.066ctルース(エメラルドカット)
Sale price¥22,800
【4/4 22時販売】ベトナム産コバルトスピネル 0.154ct原石
Sale price¥12,800
【4/4 22時販売】ベトナム産コバルトスピネル 0.091ct原石
Sale price¥8,800
【4/4 22時販売】ベトナム産コバルトスピネル 0.088ct原石
Sale price¥8,800
【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¥5,980
【4/4 22時販売】ベトナム産コバルトスピネル 0.078ct原石
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¥5,980
【3/29 22時販売】ダイヤモンド 0.091ctルース(G, SI2,扇形カット)
Sale price¥9,800
【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 0.052ct 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 3/24 22:00] Bicolor sapphire 0.080ct loose stone
Sale price¥8,800
[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 3/1 at 22:00] Brazilian Alexandrite 2.8mm/0.100ct loose stone
Sale price¥19,800
[On sale at 10pm on 2/24] Brazilian Alexandrite 0.052ct loose stone
Sale price¥9,800
[On sale at 10pm on 2/23] Colombian emerald 0.126ct loose stone
Sale price¥15,800
[On sale 2/17 at 10pm] Colombian emerald 3.0mm/0.094ct loose stone
Sale price¥19,800
[On sale 2/8 at 10pm] Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
[2/2 22:00 Sale] Brazilian Alexandrite 0.072ct Loose Stone JTL Grade
Sale price¥12,800
[On sale 2/1 at 22:00] Tanzanian blue spinel 0.165ct loose stone
Sale price¥8,800
[On sale 2/2 at 10pm] Namibian Jeremejevite 0.046ct loose stone
Sale price¥8,800
[On sale 2/8 at 22:00] Namibian Jeremejevite 0.037ct loose stone
Sale price¥6,980
[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
Nigerian Cobalt Gahnite 0.100ct Loose Stone (Color Shift Type) JTL
Sale price¥19,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800

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.