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play night

Gem play night with impressive yellow and green colors. It is also characterized by its oily and lustrous luster. The Japanese name ``grape stone'' is said to have come from the fact that they are often found in grape-shaped aggregates and have similar colors.

Karatz GemMagazine
" Play Night "

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プレーナイト 3.870ctルース

Prehnite 3.870ct loose Sale price¥3,980
プレーナイト 3.085ctルース

Playnight 3.085ct loose Sale price¥3,980
プレーナイト 3.874ctルース

Prehnite 3.874ct loose Sale price¥3,980
宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（中級者向け：プレーナイト・葡萄石）

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for intermediate users: playnite/grape stone) Sale price¥2,980
オーストラリア産プレーナイト 1.004ctルース

Australian Prehnite 6.0mm/1.004ct loose stone (rose cut) Sale price¥8,800
オーストラリア産プレーナイト 1.527ctルース

[On Sale at 10pm on August 10th] Australian Prehnite 1.527ct Loose Stone Sale price¥12,800
オーストラリア産プレーナイト 0.538ctルース

[On Sale at 10pm on August 10th] Australian Prehnite 5.5mm/0.538ct Loose Stone Sale price¥6,980
【サンジェ氏】プレーナイト 0.818ctルース

Prehnite 0.818ct loose stone Sale price¥3,980
オーストラリア産プレーナイト 1.139ctルース

[On sale from 10pm on August 17th] Australian Prehnite 1.139ct Loose Stone Sale price¥8,800
プレーナイト 4.248ctルース

Playnight 5.099ct loose Sale price¥5,980
オーストラリア産プレーナイト 0.993ctルース

Australian Prehnite 6.0mm/0.993ct loose stone (rose cut) Sale price¥8,800
【甲州貴石切子】プレーナイト 3.090ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Cutting] Australian Prehnite 3.090ct {Collaboration} Loose Patch Sale price¥39,800
プレーナイト 3.016ctルース

Prehnite 3.016ct loose stone Sale price¥6,980
オーストラリア産プレーナイト 0.475ctルース

Australian Prehnite 5.4mm/0.475ct loose stone Sale price¥6,980
プレーナイト 5.398ctルース

Australian Prehnite 5.398ct loose stone Sale price¥12,800
【カラフリ】Pt950プレーナイトペンダントトップ（ネックレストップ）

[Colorful] Pt950 Play Night Pendant Top (Necklace Top) Sale price¥39,800
プレーナイト 33.297ctルース

Prehnite from the Republic of Mali 33.297ct loose Sale price¥39,800
プレーナイト 5.3mm/0.469ctルース

Prehnite 5.3mm/0.469ct loose Sale price¥4,980
プレーナイト 5.6mm/0.565ctルース

Prehnite 5.6mm/0.565ct loose Sale price¥5,980
Sold out 【猫カット】プレーナイト（6mm） - カラッツSTORE

[Cat cut] Play night (6mm)

Sold out プレーナイト 2.633ctルース - KARATZ STORE｜カラッツSTORE

Prehnite 2.633ct 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.