Skip to content

[Limited quantity/lottery sale] New collaboration! Sakura in-cut, Koshu precious stone cut plusthree, confetti cut, etc.

[ Limited quantity/sold by lottery]

New works of Sakura In Cut, Dandelion Cut, Camellia Cut, Koshu Precious Stone Kiriko, and Konpeito Cut!

We will be selling new works by Japanese polishers who continue to attract many jewelry fans by lottery.

The lineup includes Sakura in-cut, Dandelion cut, Clover in-cut, Camellia cut by Shimizu Kiseki, Koshu Kiseki Kiriko plusthree by Yoichi Fukasawa, and Konpeito cut by Makoto Nakano. All of these pieces are collaboration pieces cut from Karatz gemstones. We only have 1 to a few pieces in stock, so please take advantage of this opportunity to apply.



[Application acceptance period]
Until 10:00 on Thursday, August 10, 2023
*A special page will be posted just before the August campaign, so you can purchase it during the campaign period.

[Introduction of works eligible for lottery]
Collaboration work ①
Title of work: Clover in cut 《Collaboration》
Stone type: YAG (yttrium aluminum garnet) (artificial stone)
Size: 7mm/Quantity: 1 piece Price: 29,800 yen Product ID: 12544907
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute

Work ②
Work name: Dandelion cut 《Collaboration》
Stone type: YAG (yttrium aluminum garnet) ( artificial stone)
Size: 9mm/Quantity: 1 piece Price: 35,800 yen Product ID: 12544908
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute


Work ③
Title of work: Sakura in-cut 《Collaboration》
Stone type: YAG (yttrium aluminum garnet) (artificial stone)
Size: 9mm/Quantity: 1 piece Price: 35,800 yen Product ID: 12544909
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute

Work ④
Title: Sakura in-cut 《Collaboration》
Stone type: Andalusite Size: 6mm/Quantity: 1 piece Price: 69,800 yen Product ID: 12544910
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute


Work ⑤
Title: Sakura in-cut 《Collaboration》
Stone type: Cobalt spinel (color shift)
Size: 6mm/Quantity: 1 piece Price: 69,800 yen Product ID: 12544911
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute
Note: Iron and cobalt bands are accepted.


Work ⑥
Work name: Camellia cut "Collaboration"

Stone type: Bloodshot Iolite Sunstone Size: 11mm/Quantity: 1 piece Price: 27,800 yen Product ID: 12544912
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute



Work ⑦
Work name: Camellia cut 《Collaboration》
Stone type: Iolite sunstone Size: 12mm/Quantity: 1 piece Price: 29,800 yen Product ID: 12544913
Accessories: Identification book and special emblem from the Japan-German Gem Research Institute



Work ⑧
Product name: Konpeito cut 《Collaboration》
Stone type: Scorolite Size: 8mm/Quantity: 5 pieces Price: 22,800 yen Product ID: 90000993
Accessories: Jewelry cloth (ice bar jewelry cloth made by Mr. Nakano)




Work ⑨ Work name: Koshu precious stone Kiriko plusthree [Subaru] 《Collaboration》

Stone type: Lemon quartz Size: 6 x 9mm/Quantity: 2 pieces Price: 18,800 yen Product ID: 90000994
Accessories: Special patch /Koshu precious stone cutter certificate card

Work ⑩
Work name: Koshu precious stone Kiriko plusthree [ Hoshizakura cut x Akatsuki] 《Collaboration》
Stone type: Sky blue topaz Size: 9mm/Quantity: 2 pieces Price: 22,800 yen Product ID: 90000995
Accessories: Special patch /Koshu precious stone cutter certificate card



Work ⑪
Work name: Koshu precious stone Kiriko plusthree [ Star cherry blossom cut x light] 《Collaboration》
Stone type: Sky blue topaz Size: 10mm/Quantity: 1 piece Price: 25,800 yen Product ID: 12544914
Accessories: Special emblem , Koshu precious stone cut certificate card



Work ⑫
Work name: Koshu precious stone Kiriko plusthree [ Houkihoshi】 《Collaboration》
Stone type: Cantera Opal Size: 11 x 7mm/Quantity: 1 piece Price: 22,800 yen Product ID: 12544915
Accessories: Special patch /Koshu precious stone cutter certificate card



Work ⑬
Work name: Koshu precious stone Kiriko plusthree [Subaru] 《Collaboration》
Stone type: Cantera opal
Size: 10 x 9mm/Quantity: 1 piece Price: 29,800 yen Product ID: 12544916
Accessories: Special patch /Koshu precious stone cutter certificate card




[About Shimizu Kiseki]

A jewelry polishing company located in Kofu City, Yamanashi Prefecture, which produces many original cuts such as the Sakura in-cut and the Dandelion cut. The company is often featured on TV and other media, and is attracting attention from both inside and outside the industry.
In particular, our representative, Mr. Yukio Shimizu, not only holds numerous qualifications such as a jewelry master certified by the Governor of Yamanashi Prefecture , a first-class gemstone polisher, and a Yamanashi master craftsman, but was also awarded the Medal with Yellow Ribbon in 2016. He also works as a part-time lecturer at the Yamanashi Prefectural Gem Art College, and is committed to nurturing his juniors.

▼ Karatz Gem Magazine Shimizu Takaishi introduction article “ This is the hand of God! The amazing skills of Kofu’s proud gemstone polishing craftsman Shimizu Takaishi Yukio!!
" Where can I buy Shimizu Kiseki's Sakura Incut? How long do I have to wait? I asked them directly! "

・Sakura in-cut

The Sakura in-cut is an original cut by Shimizu Kiseki that became a hot topic among jewelry lovers when it was announced in 2018, and is still very popular. When you look into the stone, the silhouette of the cherry blossoms that emerges has an indescribable beauty that deeply touches the hearts of Japanese people.

・Dandelion cut

Dandelion means dandelion, and this cut was created with the image of a powerfully blooming dandelion. The pattern is drawn with ultra-fine matte facets. The dandelions blooming inside the stone make the jewelry look even more gorgeous, and you can't help but admire the unique atmosphere.

・Camellia cut

The cut imitates a camellia flower, and the table surface also has triangular facets to give it a rounded look and a floral feel. Fine facets are engraved throughout the crown, and when the stone is moved, either side reflects the light, creating a sparkling and gorgeous shine. It brings an elegant shine to opaque stones, allowing you to enjoy a different charm than transparent stones.

[About Yoichi Fukasawa]

Representative of Jewelry Craft Fukasawa. I have qualifications such as a first-class gemstone polisher certified by the Ministry of Labor, a jewelry master certified by the Governor of Yamanashi Prefecture , and a Koshu crystal precious stone craftsman, and have won awards in various contests. "Koshu Kishi Kiriko", which was created in collaboration with Shimizu Kishi representative Yukio Shimizu, attracted attention and became famous in the jewelry industry. He also works as a part-time instructor at Yamanashi Prefectural Gem Art College, Japan Jewelry Craft Academy, and Yamawaki Art College, and is also focusing on nurturing the next generation.

Karatz Gem Magazine Yoichi Fukasawa (Koshu Takaishi Kiriko) introduction article " What's so great about Koshu Takaishi Kiriko? How is it different from glass Kiriko? A direct interview with the inventor, Yoichi Fukasawa! "

・Koshu precious stone cut glass plusthree

Koshu Kiseki Kiriko was developed by applying the techniques of Edo Kiriko and Satsuma Kiriko, and was created through a collaboration between Yoichi Fukasawa of Jewelry Craft Fukazawa and Yukio Shimizu of Shimizu Kiseki. From there, Mr. Fukasawa independently created It was created based on the idea of ​​``more beautiful, more sparkling, more Japanese style.'' Koshu precious stone Kiriko plus Three. The culet cuts deep into the stone, and the cut is placed there, making the cut clearly visible.

[About Makoto Nakano]

Representative of Nakano Polishing Industry. At the age of 26, I entered the Yamanashi Prefectural Gem Art College as a first-year student and learned jewelry polishing techniques. Later, he took over Nakano Polishing Industry, which was founded by his father, and continues to be active on the front line, boasting versatile technical skills that include polishing and recutting gemstones, as well as processing designer jewelry . In addition to being a first-class jewel polisher and a jewelery master certified by the Governor of Yamanashi Prefecture , I also serve as a part-time instructor at Yamanashi Prefectural Jewelry Art College.

▼Karatsu Gem Magazine Mr. Nakano is briefly introduced in the article introducing "Yamanashi Prefectural Gem Art College". Please refer to it if you like.
Thorough coverage of Japan’s only public jewelry school, Yamanashi Prefectural Jewelry Art School!

・Konpeito cut

This is an original cut by Makoto Nakano, carved to resemble the sweet confetti. Its realistic appearance and adorable form make it so appealing that you will want to collect it. According to Mr. Nakano, konpeito cutting is done by carving little by little with a jewelry carving machine while taking into consideration the placement of the protrusions, and it requires a lot of concentration and effort, so he is limited to making one or two pieces a day. . Each piece is made with care, starting from the selection of raw stones that bring out the color and texture, so that it looks just like the konpeito candy used in sweets.

This product is sold by lottery as it is a limited quantity product. Customers who apply from this page and are selected will receive purchase instructions sequentially from August 10th. You can purchase from the dedicated page of CARATZ STORE, and we accept payment methods such as credit card, bank transfer, and convenience store payment.