Width: 6.1 - 7.0mm

Tanzanian Sunstone 0.980ct Loose Stone Sale price¥9,800

[12559552] Brazilian Dumortierite in Quartz 2.074ct Loose Stone Sale price¥25,800

[11/1 22:00 Sale] Brazilian Pink Tourmaline 1.515ct Loose Stone Sale price¥98,000

[11/1 22:00 Sale] Brazilian London Blue Topaz 1.281ct Loose Sale price¥12,800

[11/1 22:00 Sale] Brazilian London Blue Topaz 1.950ct Loose Sale price¥15,800

[11/1 22:00 Sale] Brazilian Elestial Amethyst 1.378ct Loose Stone Sale price¥12,800

[11/1 22:00 Sale] Brazilian Elestial Amethyst 0.970ct Loose Stone Sale price¥7,980

[11/1 22:00 Sale] Brazilian Elestial Amethyst 0.762ct Loose Stone Sale price¥8,800

[11/1 22:00 Sale] Brazilian Elestial Amethyst 1.586ct Loose Stone Sale price¥8,800

[12558301] Aquamarine 0.574ct loose stone Sale price¥8,800

[On Sale at 10pm on October 29th] Afghanistan Kunzite 4.331ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on 10/23] Brazilian Color-Shifting Amethyst 0.849ct Loose Stone Sale price¥8,800

[10/18 22:00 Sale] Australian Boulder Opal 1.457ct Loose Sale price¥9,800

[10/17 22:00 Sale] Australian Prehnite 1.758ct Loose Stone Sale price¥9,800

[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone Sale price¥22,800

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） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800

[10/11 22:00 Sale] Indian Moonstone 1.046ct Loose Sale price¥9,800

[10/10 22:00 Sale] Brazilian Petalite 1.197ct Loose Stone Sale price¥7,980

[On Sale at 10 PM on October 8th] Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone Sale price¥7,980

[10/12 22:00 Sale] Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone Sale price¥98,000

[10/12 22:00 Sale] Cambodian Blue Zircon (Ratanakiri Blue) 2.232ct Loose Stone Sale price¥79,800

[10/12 22:00 Sale] Cambodian Blue Zircon (Ratanakiri Blue) 1.513ct Loose Sale price¥59,800

[On Sale at 10pm on October 9th] Zimbabwean Sphene 0.990ct Loose Stone Sale price¥12,800

[On Sale at 10 PM on September 22nd] Colombian Trapiche Emerald 1.448ct Loose Sale price¥69,800

[On Sale at 10 PM on September 30th] Russian Chrome Diopside 1.365ct Loose Stone Sale price¥15,800

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） 0.984ctルース

[On Sale at 10 PM on September 29th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.3mm/0.984ct Loose Stone (Rose Cut) Sale price¥25,800

Tanzanian Bicolor Zoisite 1.006ct Loose Stone Sale price¥55,800

[On Sale at 10 PM on October 1st] Mongolian Bicolor Andesine 0.944ct Loose Stone Sale price¥15,800

[On Sale at 10pm on October 1st] 1.406ct Loose Rubellite from Mozambique Sale price¥69,800

[On Sale at 10 PM on September 25th] Spanish Sphalerite 6.5mm/1.375ct Loose Stone Sale price¥19,800

0.276ct loose hot pink spinel from Myanmar Sale price¥19,800

[On Sale at 10 PM on September 14th] Brazilian Green Spodumene 2.029ct Loose Stone Sale price¥12,800

[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 September 5th] Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone Sale price¥39,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 1.911ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 29th] Brazilian Dumortierite in Quartz 1.451ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on August 17th] Tanzanian Golden Zircon 3.548ct Loose Stone Sale price¥39,800

[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

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

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

[Available at 10 PM on August 2nd] 1.971ct loose barite from Guizhou, China with a certificate of authenticity Sale price¥45,800

[Available at 10 PM on August 16th] Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone Sale price¥59,800

[On Sale at 10 PM on August 2nd] Brazilian Green Spodumene 2.710ct Loose Stone Sale price¥18,800

[On sale from 10pm on August 17th] Australian Prehnite 1.139ct Loose Stone Sale price¥8,800

Brazilian Pink Tourmaline 6.549ct Loose Stone (Elbaite Liddicoatite Tourmaline) Nikkeikan Sale price¥188,000

Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.439ct Loose Stone Sale price¥12,800

Vietnam Pink Sapphire 1.690ct Loose GIA Sale price¥98,000

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.