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 "

《Yurakucho Marui 2024112 takeout》Grey diamond 0.618ct loose Sale price¥128,000

Pink Diamond 2.1mm/0.041 Loose (FANCY LIGHT PURPLISH PINK, VS2) Sale price¥35,800

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

Pt900K18パープルダイヤモンド0.072ct リング（FANCY INTENSE PINK PURPLE）

Pt900K18 purple diamond 0.072ct ring (FANCY INTENSE PINK PURPLE) Sale price¥228,000

ダイヤモンド 0.136ctルース(E, VVS-2, EXCELLENT H&C ハート＆キューピッド)

《Yurakucho Marui 2024112 takeout》Diamond 0.136ct loose (E, VVS-2, EXCELLENT H&C Heart & Cupid) Sale price¥34,800

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

Diamond 0.534ct rough stone Sale price¥9,800

Silky diamond 2.8mm/0.098ct loose Sale price¥12,800

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

Silky diamond 3mm/0.105ct loose Sale price¥15,800

Silky diamond 3mm/0.096ct loose Sale price¥15,800

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

[12/9 22:00 sale]《4 stones remaining》Synthetic moissanite and black diamond 2 stone set cut by Mr. Sanjay《Discount available for multiple purchases》 Sale price¥6,980

Diamond 3.3mm/0.137ct loose (G, VS1, Excellent H&C) Sale price¥29,800

イエローダイヤモンド 0.088ctルース(FANCY INTENSE YELLOW, VS1)

Yellow diamond 0.088ct loose (FANCY INTENSE YELLOW, VS1) Sale price¥19,800

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

イエローダイヤモンド 0.211ctルース(FANCY INTENSE YELLOW, VS2)

Yellow diamond 0.211ct loose (FANCY INTENSE YELLOW, VS2) Sale price¥55,800

イエローダイヤモンド 0.245ctルース(FANCY INTENSE ORANGY YELLOW, SI1)

Yellow diamond 0.245ct loose (FANCY INTENSE ORANGY YELLOW, SI1) Sale price¥55,800

Diamond 0.120ct loose (G, VS2, Excellent H&C) Sale price¥28,800

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

イエローダイヤモンド 0.126ctルース(FANCY VIVID ORANGY YELLOW, SI-2)

FANCY VIVID ORANGY YELLOW, SI-2 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 0.067ctルース(FANCY INTENSE PURPLE PINK, I-1)

Pink diamond 0.067ct loose (FANCY INTENSE PURPLE PINK, I-1) Sale price¥148,000

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

Rough Diamond (Makeable) 0.941ct Rough (VS Equivalent/Trigon) Sale price¥198,000

Rough diamond (sawable) 0.890ct rough stone (VS equivalent/GI color) Sale price¥158,000

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

イエローダイヤモンド 3mm/0.111ctルース(FANCY VIVID ORANGY YELLOW, SI-2)

Yellow Diamond 3mm/0.111ct Loose (FANCY VIVID ORANGY YELLOW, SI-2) Sale price¥45,800

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

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments