Bicolor tourmaline 1.050ct loose
Sale price¥8,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥9,800
Aquamarine 68.040ct loose
Sale price¥39,800
Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose
Sale price¥15,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose
Sale price¥79,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥69,800
![[On sale at 10 PM on September 6th] [Limited to 6 stones] 1 loose unheated sapphire from Sri Lanka (average 0.77 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010228_5399409f-afc5-4b03-b9cb-686160deb62e.jpg?v=1756866456&width=4000)
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥198,000
Bicolor sapphire 0.856ct loose
Sale price¥18,800
African bicolor tourmaline 0.950ct loose stone (phantom cut)
Sale price¥9,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
Dumortierite in quartz 4.110ct loose
Sale price¥18,800
Mexican Topaz 1.66ct Loose Stone
Sale price¥15,800
Topaz 1.680ct loose stone
Sale price¥18,800
Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
Kunzite 37.35ct loose
Sale price¥55,800
Tanzanite 4.940ct rough stone
Sale price¥3,980
Kunzite 50.260ct loose
Sale price¥188,000
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
Red beryl 0.109ct loose
Sale price¥18,800
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Oligoclase Sunstone 26.660ct rough stone
Sale price¥15,800
Red beryl 0.098ct loose
Sale price¥18,800
Montebrasite 4.1mm 2 stone pair loose (green)
Sale price¥6,980
[Posted 12529980] Paraiba tourmaline from Brazil 1.649ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline in quartz 4.070ct loose
Sale price¥12,800
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥39,800
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥29,800
Red beryl 0.310ct loose
Sale price¥39,800
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Particolor tourmaline 24.147ct loose
Sale price¥49,800
![[On sale September 6th at 10 PM] [Limited to 7 stones] Madagascar sapphire, 1 loose stone (long hexagonal cut, approximately 5 x 3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010164.jpg?v=1756867626&width=4000)
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.