Cornflower blue sapphire 0.490ct loose stone
Sale price¥98,000
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Australian Crystal & White Opal 13-Stone Half Eternity Ring Set (2.0mm)
Sale price¥98,000
Pt950 Myanmar gray spinel (platinum spinel) 5.5mm/0.685ct black diamond ring
Sale price¥128,000
K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
18KPG pink sapphire 0.32ct brown diamond ring
Sale price¥69,800
K18PG Madagascar pink sapphire 0.24ct 0.25ct earrings (Asscher cut)
Sale price¥59,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥49,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
![[12559773] Ruby 0.122ct loose stone](http://store.karatz.jp/cdn/shop/files/PA171226_c028b763-7907-435d-9290-5e6712686ee0.jpg?v=1767532283&width=2078)
[12559773] Ruby 0.122ct loose stone
Sale price¥14,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Australian boulder opal 3.695ct loose
Sale price¥14,800
Colombian emerald rough stone 5.895ct
Sale price¥9,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)
Sale price¥14,800
1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Sri Lankan Golden Sapphire 0.649ct Loose
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Green sapphire 0.607ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal)
Sale price¥15,800
Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
2.275ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥59,800
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Yellow opal 17.283ct loose
Sale price¥29,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
Sri Lankan blue sapphire 1.008ct loose stone
Sale price¥69,800
Sri Lankan star sapphire 11.342ct loose
Sale price¥69,800
Sri Lankan star sapphire 3.317ct loose
Sale price¥59,800
Mexican fire opal 1.413ct loose stone
Sale price¥39,800
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
Australian black opal 2.736ct loose
Sale price¥98,000
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Sri Lankan star sapphire 12.679ct loose
Sale price¥158,000
Mozambique ruby 0.537ct loose stone
Sale price¥15,800
1.689ct loose teal blue sapphire
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.
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.