Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
Taaffeite from Myanmar 0.70ct loose GIT guide
Sale price¥59,800
Twin star sapphire from Sri Lanka 2.523ct loose
Sale price¥98,000
Twin chrysoberyl cat's eye 0.591ct loose
Sale price¥69,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Bicolor Euclase from Zimbabwe 0.197ct loose
Sale price¥88,800
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥98,000
Pt900 ice blue diamond 0.333ct/0.333ct earrings
Sale price¥98,000
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥55,800
Pomme Blanche "Semi-custom ring setting"
Sale price¥84,800
Spiritosa (no side stones) {Semi-custom ring setting}
Sale price¥74,800
[Dandelion cut] Ametrine 14mm/9.238ct loose
Sale price¥59,800
[Sakura Incut] Sapphire 8mm/2.391ct《Collaboration》Loose with patch
Sale price¥98,000
[Moonsteiner] Pyrite in Quartz 8.099ct
Sale price¥59,800
[Mr. Sanjay] Mexican water opal 3.161ct loose (Contrarus opal)
Sale price¥69,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥64,800
Yellow diamond 0.245ct loose (FANCY INTENSE ORANGY YELLOW, SI1)
Sale price¥55,800
Pink diamond 2.4mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥69,800
Pink diamond 2.4mm/0.071ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥98,000
Pink diamond 2.2mm/0.041ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥57,800
Pink diamond 2.3mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥79,800
Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2)
Sale price¥59,800
Mexican Water Opal 2.623ct Loose (Contralus Opal)
Sale price¥55,800
Cambodian blue zircon (Ratanakiri blue) 3.449ct loose
Sale price¥69,800
Brazilian Lazurite (Celestite) 0.226ct Ruth Japanese-German Edition
Sale price¥98,000
Diamond 0.777ct loose (butterfly cut)
Sale price¥77,777
Brazilian Alexandrite 0.244ct Ruth (Hemachita Mine)
Sale price¥59,800
Kunzite from Afghanistan 26.784ct loose
Sale price¥69,800
Spanish bicolor sphalerite 6.230ct loose
Sale price¥79,800
Sri Lankan star sapphire 21.730ct loose
Sale price¥69,800
Kunzite from Afghanistan 32.795ct loose
Sale price¥65,800
Bicolor sphene from Madagascar 1.242ct loose
Sale price¥59,800
Sphene from Madagascar 1.229ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥59,800
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥69,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥98,000
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
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.
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.