Birthstone list
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Brazilian blue tourmaline 0.376ct loose
Sale price¥7,980
Pink tourmaline 1.404ct loose stone
Sale price¥12,800
[Posted 12539379] Topaz cat's eye from Sri Lanka 1.105ct loose
Sale price¥15,800
[On Sale 11/8 at 10pm] Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
[On Sale 11/3 at 10pm] Myanmar Bicolor Star Sapphire 0.640ct Loose
Sale price¥45,800
[On sale 11/3 at 10pm] Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
[On Sale 11/3 at 10pm] Mozambique Rubellite 0.814ct Loose Stone
Sale price¥39,800
[11/2 22:00 Sale] Sri Lankan Blue Sapphire 0.187ct Loose
Sale price¥29,800
[11/2 22:00 Sale] American Peridot 0.635ct Loose Stone
Sale price¥12,800
[11/2 22:00] American Peridot 0.283ct Loose Stone
Sale price¥8,800
[11/2 22:00] Pakistani Peridot 5.2mm/0.562ct Loose Stone
Sale price¥9,800
[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[11/2 22:00 Sale] Australian Boulder Opal 3.122ct Loose
Sale price¥29,800
[On Sale 11/2 at 10 PM] Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
[11/2 22:00] Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
[11/2 22:00] Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
[11/2 22:00] Brazilian Pink Tourmaline 2.765ct Loose Stone
Sale price¥69,800
[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA
Sale price¥298,000
[11/3 22:00 Sale] Colombian Emerald 0.176ct Loose
Sale price¥59,800
[11/3 22:00] Colombian Emerald 0.126ct Loose
Sale price¥49,800
[11/6 22:00] Brazilian Pink Tourmaline 0.577ct Loose Stone
Sale price¥18,800
[11/14 22:00] Brazilian Rubellite 5.4mm/0.595ct Loose Stone
Sale price¥9,800
Pakistani Peridot 1.176ct Loose Stone
Sale price¥9,800
[On Sale 11/23 10pm] Tanzanite from Tanzania 7.4mm/1.747ct Loose Stone
Sale price¥59,800
[11/7 22:00] Brazilian Bicolor Tourmaline 2.341ct Loose Stone
Sale price¥79,800
[11/1 22:00 Sale] Brazilian Pink Tourmaline 1.515ct Loose Stone
Sale price¥98,000
Brazilian citrine 5.4mm/0.769ct loose stone
Sale price¥6,980
Brazilian citrine 1.125ct loose stone
Sale price¥9,800
[11/18 22:00 Sale] Brazilian Citrine 1.962ct Loose Stone
Sale price¥9,800
Brazilian citrine 1.659ct loose stone
Sale price¥9,800
Brazilian citrine 1.644ct loose stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
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.