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ラウンドカット

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Sold out 【12561174掲載】メキシコ産ファイアオパール(ファセットカット) 0.517ctルース
Sold out German Auyinite 3.5mm/0.131ct Loose Stone
Sold out Brazilian Alexandrite 3.0mm/0.121ct Loose
Sold out German Hauyne 2.2mm/0.035ct Loose Stone
Sold out Myanmar Red Spinel 0.196ct Loose Stone
Sold out [Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.638ct Loose
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) 0.989ctルース
Sold out 0.092ct loose stone with iolite and phlogopite (phlogopite)
Sold out Tanzanian Kornerupine (with Goethite) 2.6mm/0.068ct Loose
Sold out [Sakura InCut] Synthetic Sapphire 2.610ct Loose Stone (Synthetic Pink Sapphire)
Sold out Congo Cobalt Calcite 7.5mm/1.791ct Loose Stone
Sold out Tanzanite from Tanzania 4.5mm/0.390ct Loose Stone AIGS
Sold out Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sold out Ruby 3.3mm/0.171ct Loose
Sold out U.S. Red Beryl 3.2mm/0.111ct Loose Stone
Sold out U.S. Red Beryl 2.2mm/0.047ct Loose
Sold out USA Oregon Sunstone 5.0mm/0.443ct Loose
Sold out Madagascar Sphene 4.5mm/0.509ct Loose Gemstone
Sold out Pigeon blood ruby ​​0.310ct loose
Sold out Pigeon's Blood Ruby 4.0mm/0.230ct Loose AIGS
Sold out パパラチアサファイア 0.191ctルース
Sold out Afghanistan Lapis Lazuli 11mm/5.263ct Loose Stone
Sold out [Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose
Sold out Unmounted American Anthill Garnet, 4.0mm/0.269ct
Sold out American Anthill Garnet 5.0mm/0.641ct Loose
Sold out USA Ant Hill Garnet 4.0mm/0.277ct Loose Stone
Sold out Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sold out Mexican Water Opal 4.8mm/0.289ct Loose
Sold out キャシテライト 0.571ctルース
Sold out [Sakura In-Cut] Tanzanite from Tanzania 6.0mm/0.774ct Loose Stone
Sold out Afghanistan Blue Tourmaline 4.0mm/0.268ct Loose Stone (Lagoon Tourmaline)
Sold out Cornflower Blue Sapphire 4.5mm/0.430ct Loose Stone AIGS
Sold out Zimbabwean Euclase 2.2mm/0.065ct Loose Stone
Sold out German Apatite 3.1mm/0.100ct Loose Stone
Sold out [On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 5.4mm/0.771ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out Tanzanian Kornerupine 2.7mm/0.075ct Loose Stone
Sold out Colombian emerald 3.0mm/0.098ct loose stone
Sold out [12/5 22:00] Russian Phenakite 6.6mm/1.058ct Loose Stone
Sold out White Diamond 6.2mm/0.988ct Loose (FANCY WHITE, I2)
Sold out [Sakura In-Cut] Tibetan Andesine 8.0mm/1.366ct Loose Stone
Sold out [Sakura In-Cut] Tibetan Andesine 6.0mm/0.631ct Loose Stone
Sold out [Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone
Sold out [Dandelion Cut] Madagascar Sphene 0.950ct Loose Stone
Sold out [Dandelion Cut] Madagascar Sphene 6.0mm/0.775ct Loose Stone
Sold out Madagascar sphene 6.0mm/0.868ct loose stone
Sold out [Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.685ct Loose
Sold out [Sakura In-Cut] Mali Garnet (Grossular/Andradite Garnet) from the Republic of Mali, 6.0mm/0.920ct Loose Stone with Certificate of Authenticity
Sold out Rainbow Garnet (Andradite Garnet) 7.0mm/2.135ct Loose Stone from Tenkawa Village, Nara Prefecture

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.