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
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
Yellow Diamond 3.4mm/0.165ct Loose (Fancy Vivid Orangy Yellow, SI-2)
Sale price¥29,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Rough diamond (makeable) 0.353ct loose
Sale price¥25,800
Rough diamond (makeable) 0.279ct loose
Sale price¥25,800
[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
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
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
Diamond (cabochon cut) 0.401ct loose (star depending on angle)
Sale price¥49,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Diamond 0.169ct loose (F, VS2)
Sale price¥18,800
Yellow Diamond 4.7mm/0.390ct Loose (LIGHT YELLOW, VVS1, 3Excellent H&C)
Sale price¥49,800
Brown diamond 0.554ct loose (cabochon cut, SI class equivalent)
Sale price¥69,800
Yellow Diamond 0.551ct Loose (Cabochon Cut)
Sale price¥49,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Diamond 4.1mm/0.263 Loose (I, VVS2, 3Excellent H&C)
Sale price¥55,800
Diamond 3.8mm/0.200 loose (E, VVS1, VeryGood)
Sale price¥39,800
Diamond 3.8mm/0.220 Loose (H, VS1, 3Excellent H&C)
Sale price¥45,800
Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C)
Sale price¥59,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Pink diamond 0.072ct loose (FANCY DEEP PURPLE PINK, I1)
Sale price¥69,800

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.


![[On sale 10/31 at 10 PM] Limited to 10 stones: 0.20ct Yellow Diamond Loose Stone, Including Fancy Colors [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_64543983-1aef-497a-b59d-22c8da336a98.png?v=1761804115&width=2250)




![Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/products/collage_6be597c0-338c-4671-838a-8b1e66598b68.jpg?v=1681976274&width=4000)


![[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010006_0c54a3f8-4c3f-4e8b-89f0-8fa833db8db4.jpg?v=1733444191&width=4000)




![Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA170328.jpg?v=1760920536&width=4000)



































