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colored stone loose

A list of colored stones and loose gemstones.

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Sold out American Anthill Garnet (Chrome Pyrope Garnet) 1 Stone Loose (Princess Cut, 2.5mm) {Multiple Purchase Discounts Available}
Sold out ゴーシェナイト 0.388ctルース
Sold out アベンチュリンアクアマリン 0.774ctルース
Sold out アベンチュリンアクアマリン 0.720ctルース
Sold out Pink spinel 0.969ct loose
Sold out パープルスピネル 0.380ctルース
Sold out Andesine Labradorite (also known as Rainbow Moonstone) 6mm/0.700ct loose stone
Sold out モスアゲート 1.056ctルース
Sold out レピドクロサイトインクォーツ 0.782ctルース
Sold out レピドクロサイトインクォーツ 1.096ctルース
Sold out Lepidocrocite in quartz 1.324ct loose
Sold out アクアマリン 0.519ctルース
Sold out バイカラートルマリン 0.961ctルース
Sold out Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sold out スモーキークォーツ 27.511ctルース
Sold out ラズライト(天藍石) 0.169ctルース
Sold out アメトリン 8.308ctルース
Sold out ダンビュライト 1.585ctルース
Sold out レピドクロサイトインクォーツ 0.992ctルース
Sold out デンドリティッククォーツ 3.875ctルース
Sold out Russian demantoid garnet (horsetail recognized) 3.3mm/0.187ct loose
Sold out ロシア産デマントイドガーネット(ホーステール認む) 0.119ctルース
Sold out Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]
Sold out イエローサファイア 0.445ctルース
coming soon [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
coming soon [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
coming soon [Lottery Sale 0718_05] Unheated Australian Teal Blue Sapphire 1.010 ct Loose GIA
coming soon [Lottery Sale 0620_03] South African Rhodochrosite 2.694ct Loose Stone
coming soon [Lottery Sale 0707_04] Unheated Kashmir Sapphire 0.220ct Loose Stone GIA
coming soon 【Lottery Sale ②_202608_12】Brazilian Bi-Color Pink Euclase 3.210ct Loose Stone with Japan-Germany Gemological Report
coming soon [Sales lottery - deadline 5/14 (Thu) 10:00 AM JST] 0508_07 Sri Lankan Sillimanite "Dandelion Cut" 11.0mm/5.573ct Loose Gemstone with Certificate
coming soon [Lottery Sale ②_202608_02] Unheated Kashmir Sapphire 2.6mm/0.110ct Loose Stone GIA

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.