[Autumn Gemstone Giveaway Campaignđ Get up to 30 free gemstones based on your purchase amountđ] 10/2 (Fri) 0:00 â 10/5 (Mon) 23:59

October Gemstone Gift Campaign Now Openđ
Depending on your total purchase amount over the 4-day period, we will be giving away a variety of gemstones, including October's birthstones such as tourmaline and opalđ
Campaign Period: October 2, 2026 (Fri) 0:00 â October 5, 2026 (Mon) 23:59
âââ How to Participate âââ
ă»Simply purchase your favorite items from the KARATZ STORE during the campaign period to be automatically entered. No special application is required.
ă»If you make multiple purchases during the campaign period, your gift tier will be determined by your total purchase amount.
âââ Important Notes âââ
ă»Regular retail products, including books and gemstone guide 3D stickers, are eligible for the campaign.
ă»Collaboration items with anime or other works, and "Kara-Free" products are excluded from this campaign.
ă»Please check the bottom of this page for other details and precautions.
The gifts are as follows:
ăGift â ă
đFor all purchasers during the campaign periodđ
ă»Original Microfiber Cloth (Mexico Opal pattern / cut by Mr. Saint-Gilles) x1
Can be used for cleaning jewelry and loose stones, as well as for cleaning glasses or smartphone screens.
â»Some gemstones are not suitable for cleaning with a cloth. Please refrain from using it on soft gemstones or those with surface treatments/coatings, or check the cleaning method beforehand. This cloth does not contain polishing agents.
ăGift âĄă
đPurchases of 3,000 JPY or moređ
ă»Tourmaline x4
ă»Tourmaline rough stone x1
ă»Ethiopian Opal (heart shape) x1
ă»Ethiopian Opal (freeform) x1
Tourmaline, one of October's birthstones, is known as a treasure trove of colors. In addition to four tourmalines packed with colorful brilliance, you will receive a cute Ethiopian opal and a tourmaline rough stone to enjoy its natural beauty.








ăGift âąă
đPurchases of 20,000 JPY or moređ
ă»Cantera Opal (including common opal) x1
ă»Mexican Opal (cabochon) x1
ă»Tourmaline in Quartz x1
ă»Black Spinel (princess cut) x1
ă»Amethyst (triangle cut) x1
ă»Inca Rose rough stone x1
Includes 6 additional stones such as the unique Cantera opal, jet-black sparkling black spinel, and amethyst with a sharp cut that accentuates its beautiful hue.











ăGift âŁă
đPurchases of 60,000 JPY or moređ
ă»Indicolite Tourmaline (with certificate) x1
ă»Pink Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Tourmaline (sweet star cut or tiny star cut) x1
ă»Mexican Opal (faceted by Mr. Saint-Gilles) x1
ă»Tiger's Eye (Mont Blanc cut) x1
ă»Tanzanian Sunstone rough OR Yellow Calcite rough x1 (Ends when supply is depleted)
We have gathered a collection of unique loose stones, such as Indicolite Tourmaline with hues like a deep spring, a charming star-cut tourmaline that looks like it fell from the night sky, and Tiger's Eye with the color and form of a real chestnut.











ăGift â€ă
đPurchases of 150,000 JPY or moređ
ă»Bicolor Tourmaline (including rose cut by Mr. NOBU) x1
ă»Tourmaline Cat's Eye OR Green Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Paraiba Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Paraiba Tourmaline in Quartz x1
ă»Australian Black Opal OR Mexican Magdalena Opal x1
ă»Blue Opal x1
ă»Green Opal x1
ă»Smoky Quartz (shadow cross cut) x1
ă»Watermelon Tourmaline rough x1 (Ends when supply is depleted)
The smoky quartz features a cool and unique shadow cross cut, perfect for its calm hue. The Paraiba Tourmaline in Quartz has an attractive, refreshing color that reminds one of a blue sky with white clouds.










ăGift â„ă
đPurchases of 300,000 JPY or moređ
ă»Brazilian Paraiba Tourmaline (with sorting) x1
ă»Red Beryl (including items with sorting or certificate) x1
Both the neon-colored Brazilian Paraiba Tourmaline and the striking vivid red Red Beryl come with sorting (or a certificate).


That is the entire lineup.
Please refer to the sizes below.
---------------------------------------------------------------------------
đGift Summaryđ
â For all purchasers
ă»Original Microfiber Cloth (Mexico Opal pattern / cut by Mr. Saint-Gilles) x1
â 3,000 JPY or more (Total 7 stones + microfiber cloth)
ă»Tourmaline x4
ă»Tourmaline rough stone x1
ă»Ethiopian Opal (heart shape) x1
ă»Ethiopian Opal (freeform) x1
â 20,000 JPY or more (Total 6 stones)
ă»Cantera Opal (including common opal) x1
ă»Mexican Opal (cabochon) x1
ă»Tourmaline in Quartz x1
ă»Black Spinel (princess cut) x1
ă»Amethyst (triangle cut) x1
ă»Inca Rose rough stone x1
â 60,000 JPY or more (Total 6 stones)
ă»Indicolite Tourmaline (with certificate) x1
ă»Pink Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Tourmaline (sweet star cut or tiny star cut) x1
ă»Mexican Opal (faceted by Mr. Saint-Gilles) x1
ă»Tiger's Eye (Mont Blanc cut) x1
ă»Tanzanian Sunstone rough OR Yellow Calcite rough x1 (Ends when supply is depleted)
â 150,000 JPY or more (Total 9 stones)
ă»Bicolor Tourmaline (including rose cut by Mr. NOBU) x1
ă»Tourmaline Cat's Eye OR Green Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Paraiba Tourmaline (cut by Mr. Saint-Gilles) x1
ă»Paraiba Tourmaline in Quartz x1
ă»Australian Black Opal OR Mexican Magdalena Opal x1
ă»Blue Opal x1
ă»Green Opal x1
ă»Smoky Quartz (shadow cross cut) x1
ă»Watermelon Tourmaline rough x1 (Ends when supply is depleted)
â 300,000 JPY or more (Total 2 stones)
ă»Brazilian Paraiba Tourmaline (with sorting) x1
ă»Red Beryl (including items with sorting or certificate) x1
----------------------------------------------------------------------------
â âĄâ Important Notesâ âĄâ
ă»The campaign period is October 2, 2026 (Fri) 0:00 â October 5, 2026 (Mon) 23:59.
ă»Items purchased during the above period will be shipped sequentially starting around October 8 (Thu), but shipping may be delayed compared to normal times. Please note that we do not ship on weekends and holidays. Thank you for your patience.
ă»Please note that as we select the stones, you cannot choose specific ones, nor can we accept requests.
ă»Photos of the gift items are examples only.
ă»The cut and color of gift items may be subject to change without notice.
ă»No quality certificates are included with the gift items.
ă»Selected identification has been performed on the gift items.
ă»Gift items will be shipped together with your purchased products (pre-order items, made-to-order jewelry, etc., will be shipped separately).
ă»If a set discount or coupon discount is used, the total amount refers to the amount after the discount.

