[Listed as 12563246] Mexican Fire Opal 1.115ct Loose
Sale price¥25,800
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct Loose Stone
Sale price¥29,800
[Listed as 12563489] Sri Lankan Blue Sapphire 0.636 ct Loose Stone
Sale price¥39,800
[22602668 listed] [Colorful] K18 Tanzanite 0.25ct Ring
Sale price¥79,800
[Listed as 12563467] Malawi sapphire 0.128ct loose stone
Sale price¥18,800
[Published on 12563087] Unheated Ruby 0.216ct Loose Stone
Sale price¥59,800
[Listed on 12563726] Sri Lankan Purple Sapphire 0.661ct Loose Stone
Sale price¥59,800
[22602667 Posted] [Colorful] Pt900 Hauyne 0.035ct Ring
Sale price¥89,800
[22602626 listed] [Kalafr] K18 Grossular Garnet 0.26ct Charm
Sale price¥39,800
[Lottery Sale 0707_02] Diamond 0.310ct Loose (D, VS1, Excellent) GIA
Sale price¥89,800
Bi-color Kyanite from Nepal, 0.526ct, Loose
Sale price¥15,800
Kyanite from Nepal 0.477ct Loose Gemstone
Sale price¥12,800
【KARAFURU】K18 Diamond 0.15ct Pendant Top (Necklace Top)
Sale price¥29,800
Loose 0.824 ct Colombian Bi-Color Emerald
Sale price¥25,800
1.082ct Loose Australian Black Opal with Certification
Sale price¥69,800
Australian Black Opal 0.778ct Loose
Sale price¥35,800
Pink Diamond 0.075ct Loose (FANCY PURPLE PINK, SI-1)
Sale price¥79,800
Brown Diamond 0.728ct Loose (FANCY DARK BROWN, SI-2)
Sale price¥49,800
Brown Diamond 0.778ct Loose Stone (FANCY BROWN, SI-1)
Sale price¥59,800
Loose Brown Diamond 5.0mm/0.556ct (FANCY LIGHT BROWN, VS-1)
Sale price¥39,800
Diamond 3.7mm/0.185ct Loose (D, VVS-2, 3Excellent H&C)
Sale price¥39,800
0.191ct Colombian emerald loose stone, Hōki-kyō
Sale price¥45,800
[Listed as 22602651] [Colorful] K9 Ruby Pendant Top (Necklace Top)
Sale price¥19,800
[22602646 listed] [Karafuri] Pt850 Blue Sapphire 0.66ct Ring
Sale price¥59,800
[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct
Sale price¥39,800
Sierra Leonean Rough Diamond (Sawable) 0.072 ct. [12563273 Listed]
Sale price¥22,800
[Lottery Sale_0612_09] Yellow Sapphire 2.150ct Loose Gemstone GIT
Sale price¥158,000
Diamond 3.0mm/0.100ct Loose (E, VVS-2, VeryGood)
Sale price¥22,800
Diamond 3.8mm/ 0.198ct Loose (D, VVS-2, VeryGood)
Sale price¥29,800
Green Diamond 0.100ct Loose (VERY LIGHT GREEN, SI-1, Old Cut)
Sale price¥39,800
0.229ct Diamond Loose Stone (D, VS-2, Flanders Cut)
Sale price¥39,800
[Calafuri] Pt900 Rough Diamond 2.733ct, Diamond 0.68ct Ring with Certificate
Sale price¥198,000
【Colorfleur】Pt900 Black Opal 0.58ct Pendant Top with Authenticity Card
Sale price¥55,800
0.416ct Loose Mozambique Ruby with Gemstone Identification Report
Sale price¥29,800
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.