Login

Items under 10,000 yen

Sort by
Sold out モンタナサファイア 0.458ctルース

Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sold out モンタナサファイア 0.416ctルース

Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sold out モンタナサファイア 0.443ctルース

Montana Sapphire 0.443ct loose (green sapphire)
Sold out A single loose pink diamond, including a fancy pink diamond, normally priced at 39,800 yen (multiple purchase discounts available)

A single loose pink diamond, including a fancy pink diamond, normally priced at 39,800 yen (multiple purchase discounts available)

Sold out 《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

Sold out Limited to 2 stones: Greenland Ruby, 1 stone, loose (2.2mm, top color, with certificate) (Multiple purchase discount available)

Limited to 2 stones: Greenland Ruby, 1 stone, loose (2.2mm, top color, with certificate) (Multiple purchase discount available)

Sold out 【12559023掲載】ブラジル産アベンチュリンベリル 0.621ctルース

Brazilian Aventurine Beryl 5.5mm/0.621ct Loose Stone
Sold out 【12562049掲載】オーストラリア産レインボーラティスサンストーン 0.373ctルース

Australian Rainbow Lattice Sunstone 0.373ct Loose

Sold out 【12561997掲載】メキシコ産ファイアオパール 1.461ctルース

Mexican Fire Opal 1.461ct Loose (Egg-in-Opal)

Sold out 【12561996掲載】メキシコ産ファイアオパール 1.260ctルース

Mexican Fire Opal 1.260ct Loose
Sold out Limited to 8 stones - New in Tucson - Canadian Eudialite (Round Cut, Approx. 2mm) - Multiple purchase discounts available

Limited to 8 stones - New in Tucson - Canadian Eudialite (Round Cut, Approx. 2mm) - Multiple purchase discounts available
Sold out Limited to 6 stones: Brazilian dendritic quartz (new to Tucson, average 2.5 carats) [Multiple purchase discounts available]

Limited to 6 stones: Brazilian dendritic quartz (new to Tucson, average 2.5 carats) [Multiple purchase discounts available]
Sold out [Available at 10 PM on January 24th] Limited to 18 stones: Golden Hill Turquoise from Kazakhstan (December birthstone, average 1.3 carats) [Multiple purchase discounts available]

[Available at 10 PM on January 24th] Limited to 18 stones: Golden Hill Turquoise from Kazakhstan (December birthstone, average 1.3 carats) [Multiple purchase discounts available]

Sold out Limited to 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (Multiple purchase discounts available)

Limited to 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (Multiple purchase discounts available)

Sold out Blue Stone Gacha (normally 22,800 JPY for Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.1%), Mozambique Paraiba Tourmaline, Zimbabwean Euclase, etc.)《Bulk Purchase Discount Available》

Blue Stone Gacha (normally 22,800 JPY for Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.1%), Mozambique Paraiba Tourmaline, Zimbabwean Euclase, etc.)《Bulk Purchase Discount Available》
Sold out 奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.960ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 0.960ct loose
Sold out オーストラリア産レインボーラティスサンストーン 1.013ctルース

Australian Rainbow Lattice Sunstone 1.013ct Loose
Sold out オーストラリア産レインボーラティスサンストーン 1.635ctルース

Australian Rainbow Lattice Sunstone 1.635ct Loose
Sold out Indian alexandrite cat's eye 0.679ct loose

Indian alexandrite cat's eye 0.679ct loose
Sold out Indian alexandrite cat's eye 0.422ct loose

Indian alexandrite cat's eye 0.422ct loose
Sold out アフガニスタン産ハックマナイト 0.111ctルース

Afghanistan Hackmanite 0.111ct loose stone
Sold out ブラッドショットアイオライトサンストーン 1.250ctルース

Bloodshot Iolite Sunstone 1.250ct Loose
Sold out コッパールチルクォーツ 1.747ctルース

Copper rutilated quartz 1.747ct loose

Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.089ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sold out バイカラートルマリン 0.974ctルース

Bicolor tourmaline 0.974ct loose
Sold out Colombian trapiche emerald (reverse trapiche) 3.0mm/0.107ct rough stone (faceted cut)

Colombian trapiche emerald (reverse trapiche) 3.0mm/0.107ct rough stone (faceted cut)
Sold out Bekily Blue Garnet from Madagascar (color change garnet) 0.163ct loose

Bekily Blue Garnet from Madagascar (color change garnet) 0.163ct loose
Sold out ベトナム産非加熱シルキーピンクサファイア 0.175ctルース

Unheated silky pink sapphire from Vietnam 0.175ct loose
Sold out Limited to 9 stones! Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases.

Limited to 9 stones! Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases.
Sold out Imperial Topaz Gacha: Win a Pink Imperial Topaz, normally priced at 69,800 yen (Multiple purchase discounts available)

Imperial Topaz Gacha: Win a Pink Imperial Topaz, normally priced at 69,800 yen (Multiple purchase discounts available)

Sold out 【12561989掲載】アメリカ産オレゴンサンストーン 0.793ctルース

Oregon Sunstone from the United States, 6.0mm/0.793ct loose stone
Sold out 【12561979掲載】ブラジル産デュモルチェライトインクォーツ 1.220ctルース

Brazilian Dumortierite in Quartz 1.220ct Loose Stone
Sold out ブラジル産デュモルチェライトインクォーツ 0.673ctルース

Brazilian Dumortierite in Quartz 0.673ct Loose
Sold out Brazilian Dumortierite in Quartz 0.463ct Loose Stone (Faceted Cut)

Brazilian Dumortierite in Quartz 0.463ct Loose Stone (Faceted Cut)

Sold out ブラジル産デュモルチェライトインクォーツ 0.876ctルース

0.876ct loose dumortierite in quartz (faceted) from Brazil
Sold out ブラジル産デュモルチェライトインクォーツ 0.905ctルース

Brazilian Dumortierite in Quartz 0.905ct Loose Stone (Faceted Cut)
Sold out 【12561941掲載】ブラジル産メデューサクォーツ（パライバクォーツ） 1.202ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 1.202ct Loose Stone

Sold out 【12561929掲載】合成ルチル 0.505ctルース

Synthetic rutile 0.505ct loose

Sold out 【12561916掲載】ペリドット 0.632ctルース

US Peridot 0.632ct Loose Stone

Sold out 【12561896掲載】ロンドンブルートパーズ 0.476ctルース

Brazilian London Blue Topaz 0.476ct Loose
Sold out タンザニア産ロードライトガーネット 0.704ctルース

0.704 ct loose Tanzanian rhodolite garnet
Sold out Tanzanian Color Change Garnet 0.509ct Loose Stone

Tanzanian Color Change Garnet 0.509ct Loose Stone
Sold out Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)

Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)
Sold out Synthetic rutile 3.9mm/0.329ct loose stone

Synthetic rutile 3.9mm/0.329ct loose stone
Sold out Brazilian Rainbow Scapolite 0.328ct Loose Stone

Brazilian Rainbow Scapolite 0.328ct Loose Stone

Sold out 【12561168掲載】メキシコ産ウォーターオパール（ファセットカット） 0.349ctルース

Mexican Water Opal (Faceted, Contralus Opal) 0.349ct Loose
Sold out 【12561129掲載】スリランカ産イエローサファイア 0.291ctルース

Sri Lankan Yellow Sapphire 0.291ct Loose
Sold out Brazilian London Blue Topaz 0.641ct Loose

Brazilian London Blue Topaz 0.641ct Loose

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.