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[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee

[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee Sale price¥15,000
パイロープ・スペサルティンガーネット（カラーチェンジガーネット）1石 ルース

Pyrope spessartine garnet (color change garnet) 1 stone loose (multiple purchase discount available) Sale price¥5,980
《Limited to 7 stones》1 stone tourmaline in quartz from Sri Lanka loose (8-9mm, octagonal cut)《Multiple purchase discount available》

《Limited to 7 stones》1 stone tourmaline in quartz from Sri Lanka loose (8-9mm, octagonal cut)《Multiple purchase discount available》 Sale price¥3,980
Limited to 21 stones: 1 loose Tanzanite stone from Tanzania (5 x 3 mm, oval cut) Multiple purchase discounts available

Limited to 21 stones: 1 loose Tanzanite stone from Tanzania (5 x 3 mm, oval cut) Multiple purchase discounts available Sale price¥4,980
Top Quality: Benitoite 7 Stones and Diamond 6 Stones (H&C) Half Eternity Ring Set (2.0mm)

Top Quality: Benitoite 7 Stones and Diamond 6 Stones (H&C) Half Eternity Ring Set (2.0mm) Sale price¥158,000
Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available)

Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available) Sale price¥8,800
Limited to 5 stones: 1 Veracruz amethyst rough stone (from Mexico, February birthstone) Multiple purchase discount

Limited to 5 stones: 1 Veracruz amethyst rough stone (from Mexico, February birthstone) Multiple purchase discount Sale price¥1,980

Additional charge: K18WG (base metal) + 10,000 yen Sale price¥18,800
Limited to 8 stones: 1 Mexican fire opal loose stone with unique color (up to 2.2ct) Multiple purchase discounts available

Limited to 8 stones: 1 Mexican fire opal loose stone with unique color (up to 2.2ct) Multiple purchase discounts available Sale price¥3,980
Limited to 4 stones: 1 Brazilian white topaz loose stone (average 2.1 carats) Multiple purchase discounts available

Limited to 4 stones: 1 Brazilian white topaz loose stone (average 2.1 carats) Multiple purchase discounts available Sale price¥2,980
Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available Sale price¥5,980
1 sky blue topaz stone (10mm, flower cut)《Discount available for multiple purchases》

1 sky blue topaz stone (10mm, flower cut)《Discount available for multiple purchases》 Sale price¥4,980
ピンクスターサファイア 0.619ctルース

Pink star sapphire 0.619ct loose Sale price¥7,980
コンクパール 0.066ctルース

Conch pearl 0.066ct loose Sale price¥6,980
Mexican Hyalite Opal 2.592ct loose

Mexican Hyalite Opal 2.592ct loose Sale price¥9,800
スイスブルートパーズ 26.821ctルース

[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose Sale price¥59,800
ブラジル産パライバトルマリン 0.240ctルース

Paraiba tourmaline from Brazil 4.1mm/0.240ct loose Sale price¥14,800
Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available

Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available Sale price¥3,980
Andesine Labradorite (also known as Rainbow Moonstone) 1.009ct loose stone

Andesine Labradorite (also known as Rainbow Moonstone) 1.009ct loose stone Sale price¥12,800
Limited to 23 stones: 1 Ethiopian opal loose stone (sphere, 4.5-5.0mm) Multiple purchase discounts available

Limited to 23 stones: 1 Ethiopian opal loose stone (sphere, 4.5-5.0mm) Multiple purchase discounts available Sale price¥5,980
Limited to 8 stones: Swiss blue topaz (4mm, rose cut) 1 loose stone. Discounts available for multiple purchases.

Limited to 8 stones: Swiss blue topaz (4mm, rose cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥3,980
November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners}

November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800
ブラジル産パライバトルマリンリング・ハーフエタニティリングセット（1.2mm）

Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm) Sale price¥188,000
Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available

Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available Sale price¥3,980
Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available}

Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,580
Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available}

Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available} Sale price¥6,980
Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available Sale price¥4,980
Central Gem Research Institute Non-heated Issuance fee for certificate of authenticity (optional)

Central Gem Research Institute Non-heated Issuance fee for certificate of authenticity (optional) Sale price¥8,000
Limited to 4 stones: 1 bicolor grossular garnet from Tanzania (multiple purchase discounts available)

Limited to 4 stones: 1 bicolor grossular garnet from Tanzania (multiple purchase discounts available) Sale price¥5,980
イエローダイヤモンド 0.190ctルース(FANCY DEEP ORANGY YELLOW, SI2) - KARATZ STORE｜カラッツSTORE

Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2) Sale price¥39,800
K18タンザナイト1ct リング - KARATZ STORE｜カラッツSTORE

K18 Tanzanite 1.0ct Ring Sale price¥79,800
【カラフリ】Pt900ボルダーオパール15.82ct ペンダントトップ（ネックレストップ） - カラッツSTORE

[Colorful] Pt900 Boulder Opal 15.82ct Pendant Top (Necklace Top) Sale price¥69,800
ピンクダイヤモンド 0.191ctルース(VERY LIGHT ORANGY PINK, SI2)

Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2) Sale price¥59,800
【猫カット】Pt900スイスブルートパーズ0.41ct ピアス

[Cat cut] Pt900 Swiss blue topaz 0.41ct earrings Sale price¥25,800
ピンクオパール 7.180ctルース

Pink opal 7.180ct loose Sale price¥8,800
【KEN氏】メキシコ産ファイアオパール 1.580ctルース - カラッツSTORE

Mexican Fire Opal 1.580ct Loose Sale price¥35,800
ピンクサファイア 0.934ctルース

Pink sapphire 0.934ct loose Sale price¥19,800
エメラルド 0.111ctルース

Emerald 0.111ct loose Sale price¥14,800
パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 0.670ctルース

Pyrope spessartine garnet (color change garnet) 0.670ct loose Sale price¥8,800
パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.234ctルース

Pyrope spessartine garnet (color change garnet) 1.234ct loose Sale price¥35,800
パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.297ctルース

Pyrope spessartine garnet (color change garnet) 1.297ct loose Sale price¥39,800
パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.707ctルース

Pyrope spessartine garnet (color change garnet) 1.707ct loose Sale price¥45,800
パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.171ctルース

Pyrope spessartine garnet (color change garnet) 1.171ct loose Sale price¥35,800
[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch

[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch Sale price¥29,800
【KEN氏】ラベンダータンザナイト 1.620ctルース - カラッツSTORE

Lavender Tanzanite 1.620ct Loose Sale price¥15,800
ピンクトルマリン 0.157ctルース

Pink tourmaline 0.157ct loose Sale price¥6,980
コンクパール 0.390ctルース（ピンクホワイトカラー）

Conch pearl 0.390ct loose (pink white color) Sale price¥19,800

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.