![[On Sale at 10 PM on November 24th] Madagascar Bicolor Sapphire 0.324ct Loose](http://store.karatz.jp/cdn/shop/files/PA232372_6f1d9b57-9cfc-4a4a-802c-97bdbf61cd01.jpg?v=1763943998&width=3019)
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Sri Lankan star sapphire 1.323ct loose
Sale price¥3,980
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Color change sapphire 0.283ct loose
Sale price¥3,980
Color change sapphire 0.401ct loose
Sale price¥3,980
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Greenland Ruby 3.6mm/0.220ct Loose Stone with Certificate
Sale price¥39,800
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
Greenland Ruby 3.0mm/0.134ct Loose Stone with Certificate
Sale price¥25,800
Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone
Sale price¥22,800
[Posted 12549094] Sri Lankan sapphire cat's eye 3.739ct loose
Sale price¥59,800
[12548587 published] Star sapphire from Sri Lanka 1.325ct loose
Sale price¥5,980
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
Australian boulder opal 0.874ct loose
Sale price¥3,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Mexican Cantera Opal 1.120ct Loose
Sale price¥8,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥89,800
[12549429] Blue sapphire 0.862ct loose stone
Sale price¥25,800
Colombian Trapiche Emerald 1.448ct Loose
Sale price¥69,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Australian boulder opal 9.120ct loose
Sale price¥98,000
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Mexican Opal 8mm/1.430ct Loose
Sale price¥25,800
Australian opal 14.837ct loose
Sale price¥98,000
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥6,980
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
[Sakura In-Cut] Mexican Opal 9mm/1.532ct Loose
Sale price¥45,800
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.