December 2025 Campaign Details
This month's luxurious campaign, the last of 2025🍉✨
Depending on the total amount of your purchases over the three days, you will receive a gift of December birthstone gemstones such as tanzanite, turquoise, or zircon .
Target period: December 5th (Friday) 0:00 to December 7th (Sunday) 23:59
--- How to participate in the campaign ---
・Your entry will be completed automatically by simply purchasing any product at the Caratz Store during the campaign period. No special application is required.
-If you make multiple purchases during the applicable period, the rank of the gift will change based on the total purchase amount.
--- Caution ---
-Collaboration products with anime, professional baseball, and other works are not eligible for the campaign.
・For other details and precautions, please refer to the bottom of this page.
So here's the details!
🎁All customers who purchase during the campaign period🎁
・One original microfiber cloth (Tanzanite pattern) (Limited quantity/Once the limit is reached, a different pattern will be used)
This microfiber cloth, perfect for caring for gemstones and jewelry, features a Tanzanite pattern, this month's birthstone. You can choose three Zoisite stones from a variety of blue shades.
[Present 2]🎁Purchase over 20,000 yen🎁
1 Zoisite (Sangé cut, medium, including tanzanite color) 1 Zircon (yellow or green, Sangé cut) 1 Crack Quartz 1 Grandidierite rough 1 Special badge (Shimizu precious stone cut or Koshu precious stone cut (including plusthree) pattern / design is random)
Crack quartz is a type of crystal that has been artificially compressed to create a pattern. It has a fantastical appearance, like fluffy snow falling inside the transparent quartz. Sanjay-cut zircon is attractive for its dazzling brightness.
[Present 3]🎁Purchase over 60,000 yen🎁
・1 zircon (holiday ornament cut)
For purchases over 60,000 yen, we will be giving away uniquely cut gemstones to enhance the Christmas season mood. You can look forward to receiving either a round or star-shaped turquoise. The malachite is a beautiful deep green, like a Christmas tree.
[Gift 4]🎁Purchase over 120,000 yen🎁
・Blue zircon (average 1 carat) 1 stone
[Gift ⑤]🎁Purchase over 200,000 yen🎁
・1 YAG (Shimizu precious stone cut) ・1 color change zircon (average 0.4ct)
This completes the lineup. Please refer to the photo below for sizes. 
Thank you very much for your cooperation.
■□■Important Notes■□■
・The applicable period is from December 5th (Friday) 0:00 to December 7th (Sunday) 23:59 .
・Items purchased during the above period will be shipped sequentially from around December 10th (Wednesday) , but shipping may be delayed. Also, shipping is closed on Saturdays, Sundays, and holidays. Thank you for your understanding. We look forward to receiving your items.
・Please note that you cannot choose the stone as it is a random selection and we cannot accept requests.
・The photo of the gift item is an example.
- The cut and color of the gift item may change without notice.
-Gift items do not come with a quality guarantee.
-We select and appraise products that are gift items.
・Gift items will be shipped together with the purchased items.
(Pre-order items, custom-made jewelry, etc. will be shipped separately.)
・If you use a set discount or coupon discount, the total amount will be the amount after the discount.
💎Summary of gift contents💎
The total amount of shopping for three days
▽1 yen or more
・One original microfiber cloth (Tanzanite pattern) (Limited quantity/Once the limit is reached, a different pattern will be used)
・3 Zoisite (small / including tanzanite color) ・1 Auchenite
▽Over 20,000 yen
1 Zoisite (Sangé cut/medium/including tanzanite color) 1 Zircon (yellow or green/Sangé cut) 1 Crack Quartz 1 Grandidierite rough 1 Special badge (Shimizu precious stone cut or Koshu precious stone cut (including plusthree) pattern/design is random)
▽Over 60,000 yen
1 zircon (holiday ornament cut) 1 ice blue zircon 1 turquoise 1 tanzanite (oval cut or sugarloaf cut) 1 tanzanite rough 1 pink tanzanite rough 1 YAG (Sange cut) 1 mint emerald (Sange cut) 1 malachite (cabochon cut)
▽Over 120,000 yen
・1 blue zircon (average 1 carat) ・1 tanzanite (large, average 1 carat) ・1 diamond (2.0-2.7 mm) ・1 grandidierite (average 0.05 carat) ・1 red beryl (including cabochon, average 0.2 carat) ・1 rough fuchsite in quartz
▽Over 200,000 yen
・1 YAG (Shimizu precious stone cut) ・1 color change zircon (average 0.4 carats) ・1 bicolor zoisite (average 0.4 carats)