Skip to content

Vertical: 7.1 - 8.0mm

Sort by

Sold out Diamond 0.320ct loose (D, VS2)
Sold out タンザニア産コーネルピンキャッツアイ 1.331ctルース
Sold out ブラウンダイヤモンド 0.554ctルース(UNDER S(LIGHT YELLOWISH BROWN), SI-2)
Sold out オーストラリア産ブラックオパール 0.525ctルース
Sold out YAG(イットリウムアルミニウムガーネット) 1.927ctルース
Sold out コロンビア産エメラルド 2.018ctルース
Sold out 0.562ct Almandine Garnet Loose Stone from Mozambique
Sold out Mozambique Almandine Garnet 0.961ct Loose
Sold out 【12562098掲載】ブラジル産デュモルチェライトインクォーツ 0.531ctルース
Sold out 【12562087掲載】ブラジル産デュモルチェライトインクォーツ 0.914ctルース
Sold out 【12562085掲載】ブラジル産デュモルチェライトインクォーツ 0.603ctルース
Sold out 【12562076掲載】アメリカ産オレゴンサンストーン 1.334ctルース
Sold out Oregon Sunstone from USA 7.1mm/1.366ct 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 0.587ctルース
Sold out 【12561985掲載】アメリカ産オレゴンサンストーン 1.290ctルース
Sold out 【12561983掲載】アメリカ産オレゴンサンストーン 1.325ctルース
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
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
Sold out 【12561950掲載】南アフリカ産スギライト 0.793ctルース
Sold out 【12561526掲載】タンザニア産ピンクジルコン 1.736ctルース
Sold out Brazilian Rainbow Scapolite 0.435ct Loose Stone
Sold out オーストラリア産ブラックオパール 0.565ctルース
Sold out Sri Lankan Hessonite Garnet 1.674ct Loose Stone
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) 1.458ctルース
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) 1.827ctルース
Sold out [Sakura InCut] Synthetic Sapphire 2.610ct Loose Stone (Synthetic Pink Sapphire)
Sold out 0.745ct loose bicolor sapphire from Windsor, Tanzania
Sold out Congo Cobalt Calcite 7.5mm/1.791ct Loose Stone
Sold out Sri Lankan moonstone 7.2mm/1.342ct loose gemstone
Sold out Tanzanian Sunstone 1.477ct Loose Stone
Sold out 0.933 ct loose Brazilian aventurine beryl
Sold out US Oregon Sunstone, 1.640 ct, Loose
Sold out US Oregon Sunstone, 1.640 ct, Loose
Sold out 1.676ct loose Oregon sunstone from the United States
Sold out Tanzanian Almandine Garnet 0.586ct Loose
Sold out メキシコ産ファイアオパール 0.728ctルース
Sold out American Peridot 0.770ct Loose Stone
Sold out Australian black opal 0.435ct loose stone
Sold out Brazilian bicolor tourmaline 1.016ct loose stone
Sold out Sri Lankan Yellow Sapphire 0.526ct Loose
Sold out Unheated Pigeon Blood Ruby 0.710ct Loose Stone AIGS
Sold out [12/7 22:00] Sri Lankan Yellow Sapphire 0.508ct Loose
Sold out Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sold out [Sakura In-Cut] Tibetan Andesine 8.0mm/1.366ct Loose Stone
Sold out [Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone
Sold out Australian black opal 0.623ct loose stone
Sold out Brazilian Dumortierite in Quartz 1.995ct Loose Stone
Sold out 2.077ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)

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.