0.604ct rough diamond
Sale price¥12,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
3.2mm/0.132ct loose diamond (G, VS-2, Excellent)
Sale price¥29,800
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
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Pt950 Myanmar gray spinel (platinum spinel) 5.5mm/0.685ct black diamond ring
Sale price¥128,000
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Diamond 2.810ct rough stone
Sale price¥9,800
[On sale at 10pm on August 19th] Sliced Trapiche Diamond 0.228ct Loose
Sale price¥18,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
South African green diamond rough (makeable) 0.298ct loose
Sale price¥69,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
South African diamond rough stone 0.330ct
Sale price¥5,980
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
South African diamond rough stone 0.210ct
Sale price¥8,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Diamond 0.169ct loose (F, VS2)
Sale price¥18,800
Pt950 Colombian Euclase 0.07ct Diamond Ring
Sale price¥89,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Brown diamond 0.554ct loose (cabochon cut, SI class equivalent)
Sale price¥69,800
South African diamond rough (sawable) 0.087ct rough
Sale price¥34,800
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
diamond
Sale price¥45,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C)
Sale price¥59,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Diamond 3.0mm/0.123ct loose stone (D, VS2, octagonal cut)
Sale price¥28,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
Diamond 0.171ct loose stone (E, VS2, radiant cut)
Sale price¥35,800
K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
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.