Sale

Pt900 スリランカ産パープルサファイア 4.3mm/0.35ctダイヤモンド0.54ctリング鑑別書

[9/14 (Mon) 10:00 AM Deadline: Lottery Sale_12] Pt900 Sri Lankan Purple Sapphire 4.3mm/0.35ct Diamond 0.54ct Ring with Appraisal Report Sale price¥158,000

インターナリーフローレスダイヤモンド 3.7mm/0.238ctルース(E, IF)

[Deadline: Wed, 9/22, 10:00 AM: Lottery Sale_11] Internally Flawless Diamond 3.7mm/0.238ct Loose Stone (E, IF) Sale price¥59,800

[Available 10/7, 10 PM] Kochi Prefecture Blood Red Coral Loose Stone, 9.736ct Sale price¥39,800

[On sale 10/4 at 22:00] Kochi Prefecture oxblood coral 9.962ct loose stone Sale price¥59,800

[On sale 10/4 at 10 PM] Kochi Prefecture Blood Red Coral 7.253ct Loose Stone Sale price¥49,800

【10/3 10 PM Release】Unheated Bicolor Sapphire from Winza, Tanzania 0.500ct Loose Gemstone with Identification Report Sale price¥59,800

[Available 10/2 at 10 PM] Unheated Bicolor Sapphire from Winza, Tanzania, 0.460ct Loose Stone with Gem Identification Report Sale price¥59,800

[Available 10/3 at 10 PM] Tanzanian Cobalt Spinel 3.6mm/0.187ct Loose Stone, JGL Origin Report Included Sale price¥98,000

[Available Oct 3, 10 PM] Pakistani Väyrynenite 0.066ct Loose Gemstone Sale price¥14,800

[Available 10/3, 10 PM] Pakistan Vayrynenite 0.076ct Loose Gemstone Sale price¥16,800

[Available 10/3, 10 PM] Pakistani Väyrynenite 0.095ct Loose Gemstone Sale price¥19,800

[10/3 10 PM Release] Afghan Hauyne 0.093ct Loose Stone Sale price¥22,800

[10/3 10 PM Sale] Afghan Hauyne 0.095ct Loose Gemstone Sale price¥18,800

[Available 10/3, 10:00 PM] Afghan Hauyne 0.067ct Loose Stone Sale price¥12,800

[10/7 10:00 PM Release] Afghan Hauyne 0.082ct Loose Stone Sale price¥12,800

[Available 10/10 at 22:00] Afghan Hauyne 0.226ct Loose Gemstone Sale price¥18,800

【Available 10/17 at 10 PM】 Afghan Hauyne 0.199ct Loose Stone Sale price¥22,800

[Available 10/7 at 10 PM] Afghan Hauyne 0.183ct Loose Gemstone Sale price¥19,800

[Available 10/2 at 10 PM] Mozambique Paraiba Tourmaline 0.135ct Loose Stone Sale price¥7,980

[Available 10/2, 10:00 PM] Mozambique Paraiba Tourmaline 0.096ct Loose Gemstone Sale price¥6,980

[10/3 10 PM Sale] Colombian Emerald 0.126ct Loose Gemstone with Appraisal Report Sale price¥39,800

[10/3 10 PM Sale] Colombian Emerald 0.211ct Loose Gemstone with Identification Report Sale price¥59,800

[Available 10/3, 10:00 PM] Santa Maria Aquamarine from Brazil, 0.318ct loose stone, with certificate of authenticity Sale price¥29,800

[10/10 10:00 PM Release] Mongolian Color-Change Andesine 7.0mm/1.327ct Loose Gemstone Sale price¥14,800

【Available 10/3 at 10 PM】 Colombian Mica-in-Emerald 4.2mm/0.249ct Loose Gemstone with Certificate of Authenticity Sale price¥22,800

[Available Oct 11, 10 PM] Colombian Pyrite and Mica in Emerald 0.432ct Loose Stone with Identification Report Sale price¥35,800

[Available 10/4, 10 PM] Brazilian Amethyst 4.850ct Loose Gemstone Sale price¥12,800

[Available 10/4, 10 PM] Brazilian Amethyst 3.842ct Loose Gemstone Sale price¥12,800

[On sale 10/4 at 22:00] Brazilian Amethyst 2.984ct Loose Gemstone Sale price¥11,800

[10/17 10:00 PM Release] Brazilian Amethyst 14.813ct Loose Stone Sale price¥15,800

[Available 10/4, 10 PM] Synthetic Ruby 1.803ct Loose Gemstone Sale price¥18,800

[10/4, 10:00 PM Sale] Synthetic Ruby 1.182ct Loose Stone Sale price¥12,800

[Available Oct 4, 10 PM] Synthetic Alexandrite 0.264ct Loose Gemstone Sale price¥9,800

[Available 10/4, 10 PM] Lab-created Alexandrite 0.614ct Loose Stone Sale price¥15,800

[On sale 10/7, 10 PM] Indian Black Moonstone 0.568ct Loose Gemstone Sale price¥8,800

[Available 10/7, 10 PM] Indian Moonstone 3.445ct Loose Stone Sale price¥16,800

[10/5 10:00 PM Release] Australian Black Opal 0.261ct Loose Stone Sale price¥9,800

[On sale 10/8 at 22:00] Phenakite from Malyshevo, Russia, 0.366ct loose stone Sale price¥18,800

Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available Sale price¥3,980

【10/3 22:00 Release】《15 stones limited》Illusion Tourmaline Gacha Loose Stone (3.0ct average) 《Multiple purchase discount available》 Sale price¥3,980

[Available 10/3 at 10 PM] <limited to stones> Mexican Cantera Opal Gacha - 1 Loose Stone (Avg. 2.5ct) <multi-purchase discounts available></multi-purchase></limited>

[Available 10/3 at 10 PM] Mexican Cantera Opal Gacha - 1 Loose Stone (Avg. 2.5ct) Sale price¥4,980

[10/2 10 PM Sale] <<limited to stones>> Brazilian Bicolor Amethyst Gacha - 1 loose stone (approx. 9x7mm) <<multi-purchase discount available>></multi-purchase></limited>

[10/2 10 PM Sale] <> Brazilian Bicolor Amethyst Gacha - 1 loose stone (approx. 9x7mm) <> Sale price¥3,980

[Available 10/2 at 10 PM] 《Limited to 16 stones》 Indian Andesine-Labradorite Gacha Loose Stone, Ojiki-cut (Avg. 1.3ct) 《Multi-purchase discounts available》 Sale price¥2,580

[Available 10/2 at 10 PM] Brazilian Unheated Imperial Topaz (Sherry Color) 0.698ct Loose Gemstone Sale price¥98,000

[Available 10/2 at 10 PM] Sri Lankan Pink Sapphire 4.1mm/0.354ct Loose Gemstone with Appraisal Report Sale price¥22,800

[Available 10/12 at 22:00] Brazilian Color-Shift Amethyst 1.614ct Loose Gemstone Sale price¥8,800

[Available 10/12 at 10 PM] Brazilian Color-Shift Amethyst 1.690ct Loose Gemstone Sale price¥9,800

[Available 10/5 at 10:00 PM] Tanzanian Rhodolite Garnet 0.510ct Loose Stone Sale price¥9,800

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.