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diamond loose

This is a list of loose diamonds.

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Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available]

Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available] Sale priceFrom ¥1,580
H&C (Heart & Cupid) Diamond 2.0mm Loose (VS Class, DG Class, 2mm Melee Diamonds) {Multiple Purchase Discounts Available}

H&C (Heart & Cupid) Diamond 2.0mm Loose (VS Class, DG Class, 2mm Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥7,980
H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available}

H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥3,980
H&C(ハート&キューピッド)ダイヤモンド1.2mmルース - カラッツSTORE

H&C (Hearts & Cupids) Diamond 1.5mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥4,980
Diamond (Old Mine Cut) 1 Loose Stone {Multiple Purchase Discounts Available}

Diamond (Old Mine Cut) 1 Loose Stone {Multiple Purchase Discounts Available} Sale price¥4,980
[Available 8/23 at 10 PM] 《13 Sets Only》 Diamond Gacha featuring a set of 2 raw and cut diamonds, including a 0.2ct VS grade diamond 《Multi-purchase discounts available》

[Available 8/23 at 10 PM] 《13 Sets Only》 Diamond Gacha featuring a set of 2 raw and cut diamonds, including a 0.2ct VS grade diamond 《Multi-purchase discounts available》 Sale price¥3,980
[On sale July 20th at 10 PM] "Limited to 13 Stones" Diamond Gacha: Win a FANCY VIVID Yellow Diamond (with sorting report) worth 22,800 yen. One loose stone. (Multiple purchase discount available.)

[On sale July 20th at 10 PM] "Limited to 13 Stones" Diamond Gacha: Win a FANCY VIVID Yellow Diamond (with sorting report) worth 22,800 yen. One loose stone. (Multiple purchase discount available.) Sale price¥2,580
[Available Oct 9, 10 PM] 《Limited Quantity》 Cabochon-cut lab-grown diamond loose stone (1 piece, CVD/2.1-2.3mm) 《Multi-buy discount available》

[Available Oct 9, 10 PM] 《Limited Quantity》 Cabochon-cut lab-grown diamond loose stone (1 piece, CVD/2.1-2.3mm) 《Multi-buy discount available》 Sale priceFrom ¥4,580
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
ダイヤモンド（カボションカット） 0.183ctルース

Diamond (cabochon cut) 0.183ct loose Sale price¥24,800
[Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》

[Available 10/12 at 10 PM] 《Limited to 1 stone》 FANCY LIGHT PINK 2.9mm/0.092ct FANCY Color Pink Diamond (Sorting report included) 《Multi-buy discount available》 Sale price¥33,000
[Deadline: Sat, Oct 3, 10 AM: Lottery Sale ①_07] Internally Flawless Diamond (H&C) 0.320ct Loose Stone (D, IF, 3Excellent H&C) GIA & CGL Certified

[Deadline: Sat, Oct 3, 10 AM: Lottery Sale ①_07] Internally Flawless Diamond (H&C) 0.320ct Loose Stone (D, IF, 3Excellent H&C) GIA & CGL Certified Sale price¥148,000
[10/3 (Sat) 10:00 AM Deadline: Lottery Sale ①_02] Diamond (H&C) 4.3mm/0.318ct Loose Stone (H, SI-1, 3Excellent H&C) with CGL Certificate & Sarine Light Report

[10/3 (Sat) 10:00 AM Deadline: Lottery Sale ①_02] Diamond (H&C) 4.3mm/0.318ct Loose Stone (H, SI-1, 3Excellent H&C) with CGL Certificate & Sarine Light Report Sale price¥45,800
[Available Oct 9, 10:00 PM] &lt;<limited quantity>&gt; Lab-Grown Diamond Cabochon Loose Stone (1pc) (CVD / 2.4-2.7mm) &lt;<multi-purchase discount available>&gt;</multi-purchase></limited>

[Available Oct 9, 10:00 PM] <> Lab-Grown Diamond Cabochon Loose Stone (1pc) (CVD / 2.4-2.7mm) <> Sale priceFrom ¥5,280
インターナリーフローレスダイヤモンド（H&C） 4.2mm/0.280ctルース(D, IF, 3Excellent H&C) GIA&中宝

[Lottery Sale_12] [For Winners Only] [Ref: 32501798] Internally Flawless Diamond (H&C) 4.2mm/0.280ct Loose Stone (D, IF, 3Excellent H&C) GIA Sale price¥138,000
インターナリーフローレスダイヤモンド（H&C） 4.7mm/0.413ctルース(D, IF, 3Excellent H&C)　GIA

【10/5 10:00 PM Release】Internally Flawless Diamond (H&C) 4.7mm / 0.413ct Loose Stone (D, IF, 3Excellent H&C) GIA & CGL Certified Sale price¥178,000
インターナリーフローレスダイヤモンド 3.7mm/0.238ctルース(E, IF)

[Deadline: Wed, 9/22, 10:00 AM: Lottery Sale_11] Internally Flawless Diamond 3.7mm/0.238ct Loose Stone (E, IF) Sale price¥59,800
Pt900 スピネル 0.35ct・ダイヤモンド0.09ctペンダントトップ（ネックレストップ）鑑別書

[Item No. 22602792] [Colorify] Pt900 Spinel 0.35ct / Diamond 0.09ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥39,800
ブルーダイヤモンド 0.064ctルース(FANCY LIGHT GREEN BLUE, VS-1)

[9/14 (Mon) 10:00 AM Deadline: Lottery Sale_05] Blue Diamond 0.064ct Loose Stone (FANCY LIGHT GREEN BLUE, VS-1) Sale price¥298,000
ダイヤモンド 0.128ctルース（カボションカット,マロンカット）

Diamond 0.128ct loose stone (cabochon cut, maroon cut) Sale price¥45,800
イエローダイヤモンド 0.285ctルース(UNDER N(VERY LIGHT YELLOW), VS-1)

[Available 9/12 at 10:00 PM] Yellow Diamond 0.285ct Loose Stone (VERY LIGHT YELLOW, VS-1) Sale price¥55,800
インターナリーフローレスダイヤモンド（H&C） 4.0mm/0.245ctルース(D, IF, 3Excellent H&C)

【9/6 10:00 PM Sale】Internally Flawless Diamond (H&C) 4.0mm/0.245ct Loose (D, IF, 3Excellent H&C) Sale price¥128,000
ロシア産ダイヤモンド原石（ソーヤブル） 0.098ctルース

Russian rough diamond (sawable) 0.098ct loose Sale price¥22,800
ダイヤモンド 0.309ctルース(D, VVS-1, 3Excellent)

[On sale 8/30 at 22:00] Diamond 4.4mm/0.309ct loose stone (D, VVS-1, 3Excellent) Sale price¥79,800
ロシア産ダイヤモンド原石（ソーヤブル） 0.101ctルース

Russian rough diamond (sawable) 0.101ct loose Sale price¥22,800
インターナリーフローレスダイヤモンド 0.300ctルース(D, IF) GIA

[Lottery Sale ①_202608_12] Internally Flawless Diamond 0.300 ct Loose (D, IF) GIA Sale price¥118,000
カメレオンダイヤモンド 0.212ctルース(LIGHT BROWNISH GREENISH YELLOW（カメレオン）, SI-1)

[Published on 32501973] Chameleon Diamond 0.212ct Loose (LIGHT BROWNISH GREENISH YELLOW (Chameleon), SI-1) Sale price¥64,800
オレンジダイヤモンド 0.348ctルース(FANCY VIVID YELLOW ORANGE, VS-1)

[Featured in 32501971] Orange Diamond 0.348ct Loose Stone (FANCY VIVID YELLOW ORANGE, VS-1) Sale price¥128,000
イエローダイヤモンド 0.144ctルース(FANCY VIVID YELLOW, SI-2)

Yellow Diamond 0.144ct Loose (FANCY VIVID YELLOW, SI-2) [Listed as 32501969] Sale price¥55,800
ファンシーディープイエローダイヤモンド 3.6mm/0.190ルース(FANCY DEEP ORANGY YELLOW, SI2)

【#202607AkihabaraPopUpTakeOut】90002505NewYearLuckyBag2025_【On sale Dec 14, 10 PM JST】Fancy Deep Yellow Diamond 3.6mm/0.190ct Loose (FANCY DEEP ORANGY YELLOW, SI2) Sale price¥39,800
ダイヤモンド 4.45mm/0.324ctルース(D, VVS1, 3Excellent) GIA&中宝

[Lottery Sale 1_202608_11] Diamond 4.45mm/0.324ct Loose (D, VVS1, 3Excellent) GIA & CBT Sale price¥98,000
ダイヤモンド 4.42mm/0.330ctルース(E, VS1, 3Excellent) GIA

【Lottery Sale ①_202608_10】Diamond 4.42mm/0.330ct Loose (E, VS1, 3Excellent) GIA Sale price¥98,000
インターナリーフローレスダイヤモンド（H&C） 3.9mm/0.215ctルース(E, IF, 3Excellent H&C) GIA

[Lottery Sale ①_202608_09] Internally Flawless Diamond (H&C) 3.9mm/0.215ct Loose (E, IF, 3Excellent H&C) GIA Sale price¥75,800
Loose White Diamond 0.108ct (FANCY WHITE, I-1)

Loose White Diamond 0.108ct (FANCY WHITE, I-1) Sale price¥55,800
diamond

diamond Sale price¥45,800
インターナリーフローレスダイヤモンド（H&C） 3.8mm/0.206ctルース(D, IF, 3Excellent H&C)

[Lottery Sale 0731_12] Internally Flawless Diamond (H&C) 0.206ct Loose (D, IF, 3Excellent H&C) Sale price¥89,800
スライストラピッチェダイヤモンド 0.228ctルース

[#202607 Akihabara Pop-up currently out of office] [Sale starts August 19th, 10 PM JST] Slice Trapiche Diamond 0.228ct Loose Sale price¥18,800
イエローダイヤモンド 0.144ctルース(FANCY VIVID YELLOW, SI-2)

[Sale on August 13th at 10 PM] Yellow Diamond 3.2mm/0.144ct Loose (FANCY VIVID YELLOW, SI-2) Sale price¥55,800
ピンクダイヤモンド 2.2mm/0.044ctルース(FANCY LIGHT PURPLE PINK, SI1)

Pink Diamond 2.2mm/0.044ct Loose Stone (FANCY LIGHT PURPLE PINK, SI-1) Sale price¥39,800
ダイヤモンド 3.0mm/0.105ctルース(F, VVS2, VeryGood)

Diamond 3.0mm / 0.105ct Loose (F, VVS-2, Very Good) Sale price¥19,800
ピンクダイヤモンド 0.073ctルース(FANCY LIGHT PURPLE PINK, SI2)

Pink Diamond 0.073ct Loose (FANCY LIGHT PURPLE PINK, SI-2) Sale price¥39,800
ダイヤモンド（ハート＆キューピッド）3.0mm/0.226ctルース(G, VVS-1, 3Excellent H&C)

Diamond (Hearts & Arrows) 3.0mm/0.226ct Loose (G, VVS-1, 3Excellent H&C) Sale price¥46,800
ダイヤモンド 0.310ctルース(E, VS1, 3Excellent)

[Posted on 32501949] Diamond 0.310ct Loose Stone (E, VS1, 3Excellent) GIA Sale price¥88,800
ダイヤモンド 4.3mm/0.310ctルース(D, VS1, Excellent) GIA

[Lottery Sale 0707_02] Diamond 0.310ct Loose (D, VS1, Excellent) GIA Sale price¥89,800
ダイヤモンド 4.0mm/0.250ctルース(D, VVS1, 3Excellent) GIA

[Lottery Sale 0707_01] Diamond 0.250ct Loose Stone (D, VVS1, 3Excellent) GIA Sale price¥79,800
カメレオンダイヤモンド 4.0mm/0.255ctルース(LIGHT GRAYISH GREEN YELLOW, VS2)

[For xxx only] Chameleon Diamond 0.255ct Loose (LIGHT GRAYISH GREEN YELLOW, VS2) (Listed under 32501581) Sale price¥59,800
ピンクダイヤモンド 0.075ctルース(FANCY PURPLE PINK, SI1)

Pink Diamond 0.075ct Loose (FANCY PURPLE PINK, SI-1) Sale price¥79,800
ブラウンダイヤモンド 0.728ctルース(FANCY DARK BROWN, SI2)

Brown Diamond 0.728ct Loose (FANCY DARK BROWN, SI-2) Sale price¥49,800

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.