Custom Cut

[12559207] 0.944ct Bicolor Andesine Loose Stone from Mongolia Sale price¥15,800

[12559019] Oligoclase Sunstone 6.080ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on September 20th] Brazilian Fluorite in Quartz 3.962ct Loose Stone Sale price¥24,800

[Sold at 10 PM on September 16th] [Cat Cut (Leopard Print)] Amber 0.906ct Loose Stone Sale price¥9,800

[12560307] Tanzanian Almandine Garnet 2.992ct Loose Stone Sale price¥15,800

[12560305] Tanzanian Almandine Garnet 3.089ct Loose Stone Sale price¥18,800

[On Sale at 10 PM on September 14th] Tanzanian Sunstone 1.599ct Loose Sale price¥9,800

[Sale at 10 PM on September 13th] [Sakura Shape] Siberian Blue Quartz (Synthetic Quartz) 1.171ct Loose Stone Sale price¥39,800

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.809ct Loose Stone Sale price¥6,980

[On Sale at 10 PM on August 31st] Brazilian Elestial Amethyst 0.673ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on September 7th] Brazilian Elestial Amethyst 0.482ct Loose Stone Sale price¥4,980

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

[On sale at 10pm on September 3rd] Zambian emerald 0.159ct loose stone Sale price¥8,800

[On sale at 10pm on September 5th] Zambian emerald 0.135ct loose stone Sale price¥8,800

[On Sale at 10 PM on August 28th] Brazilian Mint Color Tourmaline 0.145ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on September 1st] Brazilian Green Tourmaline 0.194ct Loose Stone Sale price¥12,800

[On sale at 10pm on September 4th] Brazilian Green Tourmaline 0.755ct Loose Stone Sale price¥18,800

[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 1st] 0.374ct loose blue sapphire from Madagascar Sale price¥9,800

[On Sale at 10 PM on September 6th] 0.266ct Loose Blue Sapphire from Madagascar Sale price¥8,800

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

【さくらシェイプ】スリランカ産グリーンジルコン 7.7mm/2.620ctルース

[Available at 10 PM on August 15th] [Sakura Shape] Sri Lankan Green Zircon 7.7mm/2.620ct Loose Stone Sale price¥29,800

[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

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

[On sale at 10pm on September 7th] Pakistani Peridot 0.410ct Loose Stone Sale price¥6,980

[On sale at 10pm on September 15th] Pakistani Peridot 0.376ct 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) 0.167ct Loose Sale price¥8,800

[Sold at 10 PM on September 12th] Ethiopian Opal 6.6mm/0.635ct Loose Sale price¥9,800

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

[On Sale at 10pm on August 10th] Australian Prehnite 1.527ct Loose Stone Sale price¥12,800

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

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

Mexican Hyalite Opal 1.587ct Loose Sale price¥9,800

[On Sale at 10 PM on August 14th] 0.327ct Loose Yellow Sapphire from Madagascar Sale price¥12,800

[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose Sale price¥12,800

[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose Sale price¥12,800

[On sale from 10pm on August 4th] Madagascar sapphire 0.289ct loose stone Sale price¥12,800

[On sale at 10pm on August 16th] Cambodian Zircon 0.414ct Loose Sale price¥6,980

[On Sale at 10 PM on August 16th] Tanzanian Brown Zircon 0.642ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.429ct Loose Sale price¥6,980

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.321ct Loose Sale price¥5,980

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 1.851ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 0.547ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 2nd] Brazilian Lavender Quartz (Scorolite) 0.493ct 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.