Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥8,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥8,800
Mausithit from Myanmar 5.246ct loose (Maushitsit)
Sale price¥4,980
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥45,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥14,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥8,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
【10/29 22時販売】アメリカ産オレゴンサンストーン 6.221ctルース
Sale price¥128,000
[Available 9/26 at 10 PM] Picture Agate 8.321ct Loose Stone
Sale price¥9,800
[On sale 9/26 at 22:00] Mexican Cantera Opal 9.166ct loose gemstone
Sale price¥29,800
[Available 9/19 at 10 PM] Mexican Fire Agate 5.272ct Loose Stone
Sale price¥9,800
Japanese style twin crystal 5.771ct raw stone
Sale price¥15,800
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 9.933ct rough stone
Sale price¥29,800
[Available 9/5, 10 PM] 8.246ct Rough Paraiba Tourmaline from Brazil
Sale price¥25,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Mexican Fire Agate 6.090ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥39,800
[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone
Sale price¥69,800
Brazilian Dendritic Quartz 5.085ct Loose Stone
Sale price¥12,800
Brazilian Pyrite in Quartz 5.600ct Loose Gemstone
Sale price¥9,800
Brazilian Black Garden Quartz 5.030ct Loose Gemstone
Sale price¥12,800
Montana Agate 9.528ct Loose
Sale price¥8,800
Brazilian Marcasite in Quartz 6.670ct Loose Gemstone
Sale price¥25,800
Blue watermelon tourmaline 6.815ct loose
Sale price¥49,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥29,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥14,800
Brazilian Romanesite in Amethyst 7.083ct 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.
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.