Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
[On sale from 22:00 on 2/8] [Colorful] K18WG Brown Diamond Ring
Sale price¥69,800
K18YG Afghan Kunzite 0.74ct, Tanzanite, Sapphire Ring
Sale price¥79,800
Pt900 Kashmir unheated sapphire 1.14ct / diamond 0.70ct ring GIA
Sale price¥1,580,000
K18YG Colombian emerald 0.184ct diamond ring
Sale price¥98,000
K18YG Colombian emerald 4.1mm/0.173ct rose cut diamond ring
Sale price¥98,000
Pt900 Colombian emerald 0.72ct, diamond 0.61ct ring
Sale price¥158,000
Pt900/Pt850 Brazilian Alexandrite 0.2ct Diamond Pendant (Necklace)
Sale price¥79,800
K18YG Brazilian Paraiba Tourmaline 0.30ct Diamond Ring GIA
Sale price¥198,000
K18YG Unheated Padparadscha Sapphire 0.61ct Ruby Blue Sapphire Ring GIA
Sale price¥198,000
K18PG Sri Lankan Yellow Sapphire 0.31ct Green Garnet Ring
Sale price¥89,800
K18YG Brazilian Paraiba Tourmaline 0.203ct Pink Diamond Ring
Sale price¥98,000
[Published in 22602357] K18 mint garnet 0.513ct ring
Sale price¥79,800
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
K18YG rose cut diamond 0.171ct ring
Sale price¥89,800
K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
K18 Orange Sapphire 1.980ct Pink Diamond Ring DGL Appraisal
Sale price¥198,000
Pt900 Benitoite (Ice Blue) 0.17ct Pink Diamond Ring
Sale price¥148,000
K18YG American Benitoite 0.17ct Brazilian Paraiba Tourmaline Ring
Sale price¥128,000
Pt900 benitoite 0.152ct/diamond 0.58ct ring
Sale price¥188,000
[Colorful] K18 boulder opal 3.290ct diamond ring
Sale price¥79,800
[Colorful] K18WG Larimar 0.74ct diamond ring
Sale price¥59,800
Pt950 benitoite 0.10ct/diamond ring
Sale price¥69,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥98,000
Pt950 Benitoite 0.14ct ring
Sale price¥128,000
Pt950 Oregon Sunstone 1.24ct Indigo Tourmaline Blue Diamond Ring
Sale price¥98,000
[Colorful] Pt950 Alexandrite 0.08ct ring
Sale price¥98,000
[Colorful] Pt900 blue topaz ring
Sale price¥69,800
K18 Tanzanite 1.0ct Ring
Sale price¥79,800

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.