¥5,000 - ¥10,000

Purple spinel 0.825ct loose stone Sale price¥5,980

Zircon 0.654ct loose stone Sale price¥8,800

Morganite 0.960ct loose (Asscher cut) Sale price¥9,800

アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.550ctルース

Andesine Labradorite (commonly known as Rainbow Moonstone) 0.550ct loose Sale price¥6,980

Aquamarine 0.940ct loose stone Sale price¥8,800

Bicolor tourmaline 0.880ct loose Sale price¥8,800

[Posted in 12530233] Canary Yellow Diamond (Treatment) 0.029ct Loose Sale price¥5,980

Diamond 2.810ct rough stone Sale price¥9,800

[On Sale at 10 PM on August 17th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.267ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 17th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.153ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 16th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.309ct Loose Stone Sale price¥9,800

[Available at 10 PM on August 16th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.550ct Loose Stone (Heart Shape) Sale price¥9,800

[Available at 10 PM on August 16th] Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.271ct Loose Stone (Heart Shape) Sale price¥8,800

[Available at 10 PM on August 14th] [Limited to 10 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available] Sale price¥5,980

[Available from 10/8] [Limited to 7 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available] Sale price¥6,980

[Published on 12560212] Zimbabwean sphene 0.457ct loose stone Sale price¥8,800

[On sale from 10pm on August 21st] Zimbabwean sphene 0.393ct loose stone Sale price¥8,800

[On sale from 10pm on August 21st] Zimbabwean sphene 0.356ct loose stone Sale price¥8,800

[On sale at 10pm on August 9th] Zimbabwean sphene 0.354ct loose stone Sale price¥6,980

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

[On Sale at 10 PM on August 9th] Zimbabwean Sphene 4.0mm/0.287ct Loose Stone Sale price¥6,980

[Available at 10 PM on August 9th] Zimbabwean Sphene 4.0mm/0.276ct Loose Stone Sale price¥6,980

[12560198] American Peridot 0.423ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 20th] American Peridot 0.458ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 20th] American Peridot 0.546ct Loose Stone Sale price¥5,980

[On sale from 10pm on August 21st] American Peridot 0.339ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 20th] Mexican Fire Opal (Faceted) 0.359ct Loose Sale price¥9,800

[On Sale at 10 PM on August 20th] Mexican Fire Opal (Faceted) 0.167ct Loose Sale price¥8,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.295ctルース

[Available at 10 PM on August 22nd] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.295ct Loose Stone Sale price¥8,800

[Available at 10 PM on August 22nd] Indian Moonstone 6.2mm/0.810ct Loose Sale price¥8,800

[Available at 10 PM on August 22nd] Indian Moonstone 6.2mm/0.775ct Loose Sale price¥7,980

[On sale at 10pm on August 14th] Afghanistan Hackmanite 0.121ct Loose Stone Sale price¥8,800

[On sale from 10pm on August 7th] Tibetan Andesine 1.449ct Loose Stone Sale price¥9,800

[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 8th] Brazilian Green Spodumene 0.391ct Loose Stone Sale price¥7,980

[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone Sale price¥6,980

[8/10 22:00 Sale] Myanmar Red Spinel 0.174ct Loose Sale price¥8,800

[8/10 22:00 Sale] Brazilian Lepidocrocite in Quartz 0.953ct Loose Stone Sale price¥7,980

[On Sale at 10pm on August 10th] Australian Prehnite 5.5mm/0.538ct Loose Stone Sale price¥6,980

[8/12 22:00 Sale] Brazilian London Blue Topaz 0.429ct Loose Sale price¥6,980

[8/12 22:00 Sale] Brazilian London Blue Topaz 0.579ct Loose Sale price¥6,980

[On sale at 10pm on August 13th] Zimbabwean sphene 0.441ct loose stone Sale price¥8,800

[On Sale at 10 PM on August 12th] Zimbabwean Sphene 4.5mm/0.398ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 12th] Zimbabwean Sphene 4.3mm/0.367ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 12th] Zimbabwean Sphene 4.5mm/0.364ct Loose Stone Sale price¥8,800

[On sale at 10pm on August 15th] Zimbabwean sphene 0.224ct loose stone Sale price¥6,980

Yellow tourmaline 2.290ct loose Sale price¥8,800

Pink fluorite 12.690ct loose Sale price¥9,800

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.