diamond

Diamond is the birthstone of April. This gemstone is sometimes called the king of gemstones. It is said to be the hardest gemstone on earth, and its strong shine is exceptionally beautiful. Colorless is the most common, but it comes in a variety of shades including yellow, pink, blue, orange, and green.

Karatz GemMagazine
" diamond "

South African diamond rough (sawable) 0.091ct rough Sale price¥22,800

South African diamond rough (sawable) 0.085ct rough Sale price¥19,800

Diamond (cabochon cut) 0.206ct loose Sale price¥55,800

イエローダイヤモンド 0.071ctルース(FANCY INTENSE ORANGEY YELLOW, SI2)

Fancy intense orangey yellow diamond 0.071ct loose stone (FANCY INTENSE ORANGEY YELLOW, SI2) Sale price¥25,800

Diamond 3.4mm/0.144ct loose stone (I, VS1, Good) Sale price¥16,800

Diamond rough stone 0.967ct Sale price¥5,980

Diamond rough stone 1.293ct Sale price¥5,980

Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2) Sale price¥69,800

Diamond 0.320ct loose (D, VS2) Sale price¥79,800

Salt and pepper diamond 0.446ct loose Sale price¥39,800

South African green diamond rough (makeable) 0.117ct loose (VS-SI class equivalent) Sale price¥29,800

ピンクダイヤモンド 0.073ルース(FANCY DEEP PURPLISH PINK, SI1)

Pink Diamond 0.073 Loose (FANCY DEEP PURPLISH PINK, SI1) Sale price¥88,800

Gray diamond 1.247ct loose Sale price¥228,000

Gray diamond 0.618ct loose Sale price¥128,000

Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2) Sale price¥29,800

Pink diamond 0.086ct loose (FANCY INTENSE PURPLE PINK, I1) Sale price¥138,000

Pink diamond 0.070ct loose (FANCY INTENSE PURPLE PINK, I1) Sale price¥118,000

Pt900 ice blue diamond 0.333ct/0.333ct earrings Sale price¥98,000

Diamond 0.534ct rough stone Sale price¥9,800

Silky diamond 2.7mm/0.086ct loose Sale price¥14,800

Silky diamond 2.8mm/0.097ct loose Sale price¥14,800

Silky diamond 2.7mm/0.090ct loose Sale price¥12,800

South African yellow diamond (makeable) 0.202ct rough stone Sale price¥17,800

South African yellow diamond (makeable) 0.193ct rough stone Sale price¥9,800

South African gray diamond (makeable) 0.169ct rough stone Sale price¥15,800

South African yellow diamond (makeable) 0.159ct rough stone Sale price¥15,800

イエローダイヤモンド 0.212ctルース(FANCY DEEP ORANGY YELLOW, VS1)

Yellow diamond 0.212ct loose (FANCY DEEP ORANGY YELLOW, VS1) Sale price¥45,800

イエローダイヤモンド 0.291ctルース(FANCY INTENSE ORANGY YELLOW, SI2)

Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2) Sale price¥64,800

イエローダイヤモンド 0.153ctルース(FANCY INTENSE YELLOW ORANGE, SI1)

Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1) Sale price¥38,800

イエローダイヤモンド 0.188ctルース(FANCY INTENSE YELLOW, VS1)

Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1) Sale price¥47,800

Diamond 0.096ct loose (D, SI1, octagonal cut) Sale price¥19,800

Diamond 0.126ct loose (F, VS2, octagonal cut) Sale price¥25,800

Pink diamond 2.4mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2) Sale price¥69,800

Pink diamond 2.4mm/0.071ct loose (FANCY LIGHT PURPLE PINK, SI2) Sale price¥98,000

Pink diamond 2.2mm/0.041ct loose (FANCY LIGHT PURPLE PINK, SI2) Sale price¥57,800

Pink diamond 2.3mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2) Sale price¥79,800

Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2) Sale price¥59,800

ピンクダイヤモンド 0.063ctルース(FANCY INTENSE PURPLE PINK, I-1)

Pink diamond 0.063ct loose (FANCY INTENSE PURPLE PINK, I-1) Sale price¥138,000

ピンクダイヤモンド（ラウンドカット） 0.060ctルース(VERY LIGHT BROWN PINK, I-2)

Pink diamond (round cut) 2.5mm/0.060ct loose (VERY LIGHT BROWN PINK, I-2) Sale price¥19,800

Diamond 0.051ct loose (trapeze cut, VS class equivalent) Sale price¥9,800

Diamond 0.777ct loose (butterfly cut) Sale price¥77,777

Yellow diamond rough stone (makeable) 0.247ct rough stone Sale price¥22,800

【32501524掲載】ピンクダイヤモンド 0.070ctルース(FANCY VIVID PINK PURPLE, I-1)

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¥8,800

Diamond 0.131ct loose (F, VS-1, octagonal cut) Sale price¥23,800

ピンクダイヤモンド 2.2mm/0.044ctルース(FANCY PURPLE PINK, I-1)

Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1) Sale price¥39,800

Diamond 0.061ct loose (trapeze cut, VS class equivalent) Sale price¥9,800

Diamond 0.042ct loose (trapeze cut, VS class equivalent) Sale price¥8,800

KARATZ Custom Made

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.

KARATZ・Five Commitments

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.