【Lottery Sale 0620_05】Kashmir Unheated Sapphire 0.300ct Loose Stone GIA
Sale price¥128,000
![[Lottery Sale 0530_06] Internally Flawless Diamond (H&C) 0.527ct Loose Stone (E, IF, 3Excellent H&C)](http://store.karatz.jp/cdn/shop/files/collage_7d52295a-7980-4e98-b7c4-f08bf478023c.png?v=1780016035&width=4000)
[Listing 12563261] Rough Russian Diamond (Sawable) 0.098ct Rough Stone
Sale price¥25,800
[Published under 12563265] Russian rough diamond (sawable), 0.148 ct
Sale price¥49,800
[Posted as 12563299] Sri Lankan Silky Sapphire 0.488ct Loose Stone
Sale price¥7,980
![[22602647 listed] [Colorful] K18 Blue Sapphire Ring](http://store.karatz.jp/cdn/shop/files/P6170249_023d09e9-47a9-4960-a368-6de881b8189f.jpg?v=1782283514&width=3098)
[22602647 listed] [Colorful] K18 Blue Sapphire Ring
Sale price¥128,000
![[Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/2_2adf4222-cfbe-45f7-9ce0-5d6c245a1ecd.png?v=1780015876&width=4000)
![[Lottery Sale 0530_03] Internally Flawless Diamond 4.2mm/0.272ct Loose (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/3_f6c73c1b-d7e2-482b-a5e2-afdee14010e4.png?v=1780016029&width=1000)
![[On sale June 25, 10 PM] [Colorful] K14WG Black Diamond 0.89ct / Diamond 0.13ct Pendant Top (Necklace Top) with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P6042475_903b921a-11ce-4420-a8a2-a526e660f262.jpg?v=1782133053&width=3276)
![[On sale June 25th at 10 PM] [ColorFuli] K18WG Green Quartz and 0.02ct Diamond Pendant Top](http://store.karatz.jp/cdn/shop/files/P6042625.jpg?v=1780629746&width=4000)
Blue sapphire 0.287ct loose
Sale price¥12,800
Australian black opal 3.242ct loose stone
Sale price¥59,800
【6/27 22時販売】【カラフリ】Pt900グロッシュラーガーネット 1.38ct・ダイヤモンド0.13ctリング 鑑別書
Sale price¥98,000
【6/27 22時販売】【カラフリ】K18 ブルーサファイア 1.89ct・ダイヤモンド0.74ctリング 鑑別書
Sale price¥298,000
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.
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.