October 2026 Campaign Details

October Gemstone Gift Campaign Now Open💎
Depending on your total purchase amount over these 4 days, you will receive various gemstones as gifts, including October birthstones like tourmaline and opal.🎁

Campaign Period: October 2, 2026 (Fri) 0:00 – October 5, 2026 (Mon) 23:59

――― How to Participate ―――

・Simply purchase your favorite items from the KARATZ STORE during the campaign period to be automatically entered. No special application is required.
・If you make multiple purchases during the campaign period, your gift rank will be determined by the cumulative total purchase amount.

――― Notes ―――
・Standard retail items, including books and 3D gemstone guide stickers, are eligible for this campaign.
・Collaborative merchandise with anime or other works, and "Kara-Free" items are excluded from this campaign.
・Please see the bottom of this page for further details and important notes.

The gift details are as follows.

[Gift ①]
🎁All Customers During the Campaign🎁
・Original Microfiber Cloth (Mexican Opal design / Cut by Mr. Sanje) x 1
Perfect for cleaning jewelry and loose stones, as well as for wiping screens on glasses and smartphones.
*Please note that some gemstones are not suitable for cleaning with a cloth. For soft gemstones or those with surface treatments/coatings, please refrain from using the cloth or verify the proper cleaning method beforehand. This cloth does not contain abrasive materials.

[Gift ②]
🎁Purchases of 3,000 JPY or more🎁
・Tourmaline (4 stones)
・Tourmaline rough (1 stone)
・Ethiopian Opal (Heart shape) (1 stone)
・Ethiopian Opal (Freeform) (1 stone)
Tourmaline, one of the October birthstones, is known as a treasure trove of colors. Along with four pieces of colorful tourmaline, we are gifting an adorable Ethiopian opal and a piece of tourmaline rough, allowing you to enjoy its natural beauty.

[Gift ③]
🎁Purchases of 20,000 JPY or more🎁
・Cantera Opal (including common opal) (1 stone)
・Mexican Opal (Cabochon) (1 stone)
・Tourmaline in Quartz (1 stone)
・Black Spinel (Princess cut) (1 stone)
・Amethyst (Triangle cut) (1 stone)
・Inca Rose rough (1 stone)
Includes 6 additional stones featuring the unique charm of Cantera opal, the jet-black luster of black spinel, and amethyst with a sharp, beautiful cut that enhances its hue.

[Gift ④]
🎁Purchases of 60,000 JPY or more🎁
・Indicolite Tourmaline (with certificate) (1 stone)
・Pink Tourmaline (Cut by Mr. Sanje) (1 stone)
・Tourmaline (Sweet Star or Tiny Star cut) (1 stone)
・Mexican Opal (Faceted by Mr. Sanje) (1 stone)
・Tiger's Eye (Mont Blanc cut) (1 stone)
・Tanzanian Sunstone rough OR Yellow Calcite rough (1 stone) *While supplies last
A collection of uniquely charming loose stones, such as Indicolite tourmaline with its deep spring-like color, charming star-cut tourmaline that looks like it fell from the night sky, and Tiger's eye with its adorable chestnut-like color and form.

[Gift ⑤]
🎁Purchases of 150,000 JPY or more🎁
・Bi-color Tourmaline (including Rose cut by Mr. NOBU) (1 stone)
・Tourmaline Cat's Eye OR Green Tourmaline (Cut by Mr. Sanje) (1 stone)
・Paraiba Tourmaline (Cut by Mr. Sanje) (1 stone)
・Paraiba Tourmaline in Quartz (1 stone)
・Australian Black Opal OR Mexican Magdalena Opal (1 stone)
・Blue Opal (1 stone)
・Green Opal (1 stone)
・Smoky Quartz (Shadow Cross cut) (1 stone)
・Watermelon Tourmaline rough (1 stone) *While supplies last
The Smoky Quartz features a cool, unique Shadow Cross cut that perfectly suits its calm tone. The Paraiba Tourmaline in Quartz is captivating with its refreshing color, reminiscent of blue skies and white clouds.

[Gift ⑥]
🎁Purchases of 300,000 JPY or more🎁
・Brazilian Paraiba Tourmaline (with sorting) (1 stone)
・Red Beryl (including items with sorting or certificate) (1 stone)
Both the neon-colored Brazilian Paraiba tourmaline and the striking vivid red Beryl come with sorting (or a certificate).

That is the complete lineup.
Please refer to the following for sizes.

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💎Gift Summary💎
■ All Customers
・Original Microfiber Cloth (Mexican Opal design / Cut by Mr. Sanje) x 1

■ 3,000 JPY or more (Total of 7 stones + microfiber cloth)
・Tourmaline (4 stones)
・Tourmaline rough (1 stone)
・Ethiopian Opal (Heart shape) (1 stone)
・Ethiopian Opal (Freeform) (1 stone)

■ 20,000 JPY or more (Total of 6 stones)
・Cantera Opal (including common opal) (1 stone)
・Mexican Opal (Cabochon) (1 stone)
・Tourmaline in Quartz (1 stone)
・Black Spinel (Princess cut) (1 stone)
・Amethyst (Triangle cut) (1 stone)
・Inca Rose rough (1 stone)

■ 60,000 JPY or more (Total of 6 stones)
・Indicolite Tourmaline (with certificate) (1 stone)
・Pink Tourmaline (Cut by Mr. Sanje) (1 stone)
・Tourmaline (Sweet Star or Tiny Star cut) (1 stone)
・Mexican Opal (Faceted by Mr. Sanje) (1 stone)
・Tiger's Eye (Mont Blanc cut) (1 stone)
・Tanzanian Sunstone rough OR Yellow Calcite rough (1 stone) *While supplies last

■ 150,000 JPY or more (Total of 9 stones)
・Bi-color Tourmaline (including Rose cut by Mr. NOBU) (1 stone)
・Tourmaline Cat's Eye OR Green Tourmaline (Cut by Mr. Sanje) (1 stone)
・Paraiba Tourmaline (Cut by Mr. Sanje) (1 stone)
・Paraiba Tourmaline in Quartz (1 stone)
・Australian Black Opal OR Mexican Magdalena Opal (1 stone)
・Blue Opal (1 stone)
・Green Opal (1 stone)
・Smoky Quartz (Shadow Cross cut) (1 stone)
・Watermelon Tourmaline rough (1 stone) *While supplies last

■ 300,000 JPY or more (Total of 2 stones)
・Brazilian Paraiba Tourmaline (with sorting) (1 stone)
・Red Beryl (including items with sorting or certificate) (1 stone)

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■□■Important Notes■□■

・The campaign period is October 2, 2026 (Fri) 0:00 – October 5, 2026 (Mon) 23:59.

・Shipment of items purchased during the above period will begin around October 8 (Thu). Please note that delivery may be delayed compared to normal times. Additionally, we do not ship on weekends and holidays. Thank you for your patience and we hope you look forward to receiving your order.

・Please note that gifts are chosen at random and we cannot accept specific requests.
・The photos of the gift items are examples only.
・The cut and color of gift items are subject to change without notice.
・No quality guarantee certificate is included for gift items.
・Gift items have undergone spot-check identification.
・Gift items will be shipped together with your purchased products.(Pre-order items, made-to-order jewelry, etc., will be shipped separately.)
・If a set discount or coupon discount is used, the total amount refers to the final discounted price.