Aquamarine 1.574ct loose stone
Sale price¥9,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
[Rouge cut] Almandine garnet 1.725ct loose
Sale price¥7,980
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥7,980
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.008ct loose
Sale price¥4,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
![[On sale from 10/9 at 10pm] Synthetic rutile 1.362ct loose stone](http://store.karatz.jp/cdn/shop/files/PA037059.jpg?v=1759929370&width=4000)
[On sale from 10/9 at 10pm] Synthetic rutile 1.362ct loose stone
Sale price¥15,800
![[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA026067.jpg?v=1759927133&width=4000)
[On Sale at 10pm on 10/9] Tanzanian Dragon Garnet 1.015ct Loose Stone
Sale price¥29,800
![[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA025961.jpg?v=1759926855&width=4000)
[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone
Sale price¥25,800
![[On Sale at 10pm on 10/7] 1.728ct Loose Aquamarine from Vietnam](http://store.karatz.jp/cdn/shop/files/PA025681.jpg?v=1759754886&width=4000)
[On Sale at 10pm on 10/7] 1.728ct Loose Aquamarine from Vietnam
Sale price¥18,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.774ct loose stone
Sale price¥12,800
[On Sale at 10pm on October 3rd] Zimbabwean Sphene 1.057ct Loose Stone
Sale price¥22,800
[On sale from 10/1 at 10pm] Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Tanzanian Bicolor Zoisite 1.006ct Loose Stone
Sale price¥55,800
Tanzanian bicolor zoisite 1.327ct loose stone
Sale price¥59,800
[On Sale at 10pm on October 1st] 1.406ct Loose Rubellite from Mozambique
Sale price¥69,800
![[On Sale at 10:00 PM on October 4th] Brazilian Swiss Blue Topaz 1.065ct Loose](http://store.karatz.jp/cdn/shop/files/P9248792_9b97c5dc-bbef-45b1-b0fa-199b754aabdf.jpg?v=1759411715&width=3145)
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
Ekanite from Sri Lanka 1.430ct loose
Sale price¥29,800
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
Mexican Danburite 1.859ct loose stone (phantom cut)
Sale price¥9,800
Mexican Danburite 1.981ct loose stone (phantom cut)
Sale price¥9,800
Brazilian Pink Imperial Topaz 1.907ct Loose Japanese-German Edition
Sale price¥98,000
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥8,800
Mexican Opal 8mm/1.430ct Loose
Sale price¥25,800
Bicolor tourmaline 1.248ct loose
Sale price¥6,980
Bicolor tourmaline 1.097ct loose
Sale price¥5,980
Scapolite 1.780ct loose stone
Sale price¥9,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
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.