Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
K18YG Indian Moonstone Cat's Eye 1.438ct Ring
Sale price¥79,800
Pt950 Tanzania Lavender Tanzanite 1.51ct Ring
Sale price¥98,000
Diamond 0.402ct Loose (H, VS2, Flanders Cut)
Sale price¥79,800
Iolite Sunstone from India 0.472ct Loose Gemstone
Sale price¥5,980
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1)
Sale price¥34,800
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Brazilian Paraiba Tourmaline In Quartz 0.50mm/.313ct Loose
Sale price¥15,800
Benitoite from the USA, 3.4mm/0.175ct loose
Sale price¥98,000
K18 Peridot and Diamond 0.03ct Ring
Sale price¥45,800
Benitoite 0.286ct loose
Sale price¥258,000
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Diamond 3.7mm/0.318ct Loose (F, SI-1, Princess Cut)
Sale price¥49,800
Loose Brown Diamond 0.290ct (FANCY BROWN, SI-2)
Sale price¥15,800
Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)
Sale price¥29,800
1.415ct Loose Tanzanian Lavender Tanzanite
Sale price¥45,800
Australian black opal 1.393ct loose
Sale price¥48,800
[Colorful] Pt900 Diamond 0.65ct Pendant Top
Sale price¥89,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥9,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Brazilian alexandrite 0.060ct loose
Sale price¥11,000
Brazilian alexandrite 0.051ct loose
Sale price¥9,800
Brazilian alexandrite 0.061ct loose
Sale price¥12,800
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
Non-Oil Emerald 1.370ct Loose GIA
Sale price¥1,580,000
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥59,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥15,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥12,800
German Awinite 0.056ct loose stone
Sale price¥22,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Australian black opal 0.650ct loose
Sale price¥15,800
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.