[Shinjuku Marui Annex 1F] Pop-up store announcement [11/21 (Fri) - 27 (Thu)]
The next pop-up store will be held in late November, again in Shinjuku, Tokyo!!
Famous gemstones such as diamonds, rubies, sapphires, emeralds, alexandrite, and Paraiba tourmalines, birthstones for each month, beautiful loose gemstones cut by skilled craftsmen from Japan and abroad, rare stones, and original jewelry made with attention to detail.
We look forward to welcoming you to our wide selection of beautiful gems and jewelry from around the world.
The pop-up store is a rare opportunity to see and purchase KARATZ jewelry, which is normally only available online!
You can compare multiple stones, look inside with a magnifying glass, and check the fine details.
We also rent out tools, so even if you don't have your own, you can come to our store with peace of mind.
We have staff with extensive knowledge of gemstones on hand at all times, so please feel free to ask us any questions you may have.
The "custom-made consultation" where the frame is placed on the spot and you can see the finished image is always very popular.
Choose your own original, one-of-a-kind jewelry by choosing your stone.
There are various benefits for purchasers, such as coupons that can be used in events from the next day, and a gem lottery ticket that can be drawn for purchases of 10,000 yen or more.
The event will run for a week, so please find a day and time that suits you and come join us!
Image: The event was held in September 2013
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~Shinjuku Marui Annex Pop-up Store~
■Period: November 21st (Friday) to November 27th (Thursday), 2025
■Store: Shinjuku Marui Annex 1F Calendarium (3-1-26 Shinjuku, Shinjuku-ku, Tokyo) ■Products handled: gemstones, rare stones, jewelry, custom-made consultations ■Business hours: Weekdays 11:00-20:00, Saturdays, Sundays, and holidays 10:30-20:00 * Scheduled to close at 17:30 on the 27th (Thurs) |
*The venue is Shinjuku Marui Annex. Please be careful not to make a mistake.
*The store will close at 5:30pm on the final day (November 27th).
We look forward to your visit.
~The jewels introduced at the pop-up store will be updated on this page from time to time~
=Table of Contents=
- Jewelry Corner
- Custom-made consultation corner
- The world's five great gemstones corner
- Paraiba tourmaline special feature
- Birthstone Corner
- Sanjae cut corner
- Staff Choice Corner
- Overseas Purchase Corner
- Specialty & Skillful Cutting Corner
- Great value! Semi-order set
- Regarding product requests currently on sale at Caratz Store
- Auction listing and trade-in services
- Pop-up store visit and purchase benefits
💎Jewelry corner
We have a wide selection of jewelry made with KARATZ original frames and with carefully selected side stones, as well as affordable Karafuri (KARATZ Flea Market) pieces. From pieces that are easy to wear every day to gorgeous, glamorous pieces perfect for special events, we hope you'll find something you love.
New pieces using Brazilian Paraiba tourmaline are being completed one after another!
First, let me introduce two rings.
This ring is made using a frame called Eclatin. The vibrant color of Paraiba tourmaline and yellow gold will add a touch of glamour to your fingers.
Frame name: Eclatan
Center stone: Brazilian Paraiba tourmaline Side stones: Diamonds Metal: 18K yellow gold
This is a pinky ring made using a frame called Edel.
The arms are matte finished (diamond point processed), giving the ring a glamorous yet calming feel.
Frame name: Edel
Center stone: Brazilian Paraiba tourmaline Side stones: Diamonds Metal: 18K yellow gold
Next is the pendant top.
The setting is called Kannazuki, and is inspired by the crescent moon and stars. The bail is made of platinum, which enhances the brilliance of the diamond.
Frame name: Kannazuki Center stone: Brazilian Paraiba tourmaline Side stones: Diamonds Metal: K18YG, Pt950 (Vatican part)
Another new piece of jewelry that has just been completed.
This ring features a pink imperial topaz as its center stone, one of the birthstones for November.
It has a square cut with few polished surfaces, allowing you to enjoy its beautiful color and transparency.
Wearing a gorgeous ring will help you feel warm and comfortable even during the cold season!
Frame name: Amabile
Center stone: Pink Imperial Topaz Side stones: Diamonds Metal: 18K Yellow Gold
💎Custom-made consultation corner
Our custom-made consultation session is always a big hit. We can create jewelry using the gemstones you choose on the day or gemstones you have previously purchased from KARATZ. If you are interested, please speak to our staff.
There are approximately 40 different design frames to choose from (*). Customization is also possible, such as changing the side stones to gemstones other than diamonds, or adding matte or engraving. You can create a truly one-of-a-kind, original piece of jewelry.
At a pop-up store, you can place your items in frames on the spot, so you can compare the images in multiple frames and let your imagination run wild!
*Some frames have limited sizes and cuts.
*We do not accept jewelry purchased from other companies.
▶ Notes and more detailed information can be found here
💎The World's Five Great Gemstones Corner
This corner features the world's five great gemstones: diamonds , rubies , sapphires , and emeralds , which have been loved all over the world since ancient times, plus alexandrite , named after a Russian emperor.
If you are looking for something a little better, please feel free to ask our staff.
Pink Diamond
Emerald
💎 Paraiba Tourmaline Special
Paraiba tourmaline is popular for its gorgeous colors that are hard to forget once you see them . Its rarity is also one of its charms. It is a fascinating gem that will make you want to own several.
We plan to bring two varieties of coffee from Brazil and Mozambique, which are currently the main producing regions. Please come and experience the quality of each.
💎Birthstone Corner
This is a corner that collects the birthstones for each month .
We plan to bring a slightly expanded selection of birthstones for November, the month of the event.
It covers most of the commonly known gemstones, so please take a look at it first.
It's also a great gift for your family or loved ones. If you have trouble finding it, please ask our staff.
Citrine ( November birthstone )
Imperial Topaz ( November birthstone )
White Topaz ( November birthstone )
Aquamarine from the Tatu mine in Brazil ( March birthstone )
Sapphire ( September birthstone )
💎Sanjae's Cut Corner
This is a section featuring Sanjay, a skilled polisher from Sri Lanka.
Enjoy Mr. Sanjay's advanced techniques, which bring out the full potential of gemstones.
Gemstones with many facets in particular sparkle and make a statement even when viewed from a distance. Don't miss out on that sparkle and try to find the one that's right for you.
Purple Spinel
💎Staff Choice Corner
This corner features a collection of gemstones recommended by our staff.
There are many fascinating gemstones in the world that are not well known to the general public.
We will be bringing you mainly quartz and rare stones. Be sure to check out this corner.
💎Overseas Purchase Corner
This is a corner for gemstones purchased directly from around the world, including Thailand and China.
💎Specialty & Skillful Cutting Corner
This corner features a collection of skillfully cut gemstones made by skilled artisans both in Japan and abroad. Not only are they highly skilled, but many of the cuts offer enjoyable originality. They are also recommended as gifts for those who like unusual items.
💎Great Value! Semi-Order Set
This section is especially recommended for those who want to create custom-made jewelry at a good price, those who are ordering custom-made jewelry for the first time, or those who are thinking of buying a gift and don't know what kind of gemstone to choose.
There are three main sets: the 0 yen set, the 5,000 yen set, and the 10,000 yen set, and each set has over five different varieties to choose from.
*We carry a wide variety of gemstones, including diamonds, alexandrite, and Paraiba tourmaline.
In addition to the above, we also have sets made with gemstones from Shimizu Precious Stones.
For both sets, you can choose the frame from the same lineup as regular semi-custom orders, and the price is the same.
There are also some products exclusive to the event. Don't miss this opportunity to try them out!
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[About product requests currently on sale at Caratz Store]
We are no longer accepting requests to see products listed on the Caratz Store in person. Thank you to everyone who applied for a spot.
Even if the deadline has passed, please contact the " Carats STORE Inquiry Center " and we will do our best to assist you.
However, it usually takes 3-5 business days (※) from the date of your request to prepare the product . Please note that we may not be able to prepare the product by the date you visit, or we may have to decline your request depending on the situation.
In particular, if you make an inquiry after the event has started, it may be difficult to respond immediately, and there is a high possibility that we will not be able to accept your inquiry. We ask for your understanding and cooperation that we cannot guarantee that we will be able to accept your inquiry.
*As our office is closed on Saturdays, Sundays, and holidays, we can only respond on weekdays excluding Saturdays, Sundays, and holidays. The same applies during events.
【please】
*If there are any changes to your application, such as a change in the date and time of your visit, or if you are unable to come on the day due to illness or other reasons, please contact our inquiry desk in advance.
*If you wish to change your visit time on the same day, there is no need to contact us in advance.
*As a general rule, we do not accept reservations for products at the "Caratz Store." Even if you have requested an item, it may be sold before you can view it.
If all of the items you requested have been sold, we will contact you.
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[About the auction listing agent and trade-in service]
We will be offering auction listing and trade-in services exclusively from November 21st (Friday) to 24th (Monday)!!
Karaoku is a new service from KARATZ, in partnership with Aucnet, the operator of one of the world's largest dealer-to-dealer auction sites.
We will sell your jewelry at an auction on your behalf, attended by professional jewellery buyers from Japan and abroad, so you can expect to get a higher price than with general buying services.
*Some gemstones cannot be auctioned depending on their type and quality.
▶ For more information about Karaoke, click here
KARATZ can also trade in items that are difficult to put up for auction or items you wish to sell.
The trade-in amount will be given to you as a coupon that can be used at the event, and can be used to purchase products or for processing fees for custom-made jewelry.
<What is the trade-in service?>
Unlike purchase services where you pay in cash, trade-in is a service where you pay in the form of a coupon that can be used at events or at the "Karatts Store."
In exchange for using it to purchase products at Caratz, we will buy it at a higher price than we would buy it at.
If you are considering purchasing an item or creating custom jewelry, we recommend using our trade-in service.
*Please note that due to Shinjuku Marui Annex regulations, we are unable to offer a purchase service, so this time we will only be able to offer items for auction or trade-in.
*Trade-in jewelry and precious metals will be sold mainly to overseas business partners (jewelry dealers). They will not be sold at Caratz stores.
●Target items
Jewelry and metals of K9 or higher, Pt750 or higher *Broken earrings, broken necklaces, and earrings with only one earring are also eligible.
*Loose stones and raw stones are not included.
●Trade-in method
If you are interested, please contact the KARATZ staff.
● [Reference] Market price for purchasing precious metals
<As of Friday, October 31st>
Gold: 21,860 yen/g Platinum: 8,711 yen/g
*Prices are calculated based on the bullion market price on the day of the transaction (which fluctuates daily).
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💎Pop-up store visit benefits💎
Those who answer a simple online survey about which corner they were most satisfied with will receive a gift of jewels!
*Please choose one. You cannot choose.
💎Pop-up store purchase bonus💎
1. A shop card with a coupon that can be used at "Karats Store"
All purchasers will receive a SHOP card with coupons that can be used at the "Karats STORE" and at events starting the following day.
2. Jewelry lottery tickets that can be drawn according to the purchase amount of one transaction
You can draw one jewelry lottery ticket depending on the amount of your purchase in one transaction❗️
Over 10,000 yen: A jewelry lottery with diamonds, sapphires, and more
Over 50,000 yen: Middle class jewelry lottery
Over 100,000 yen: High-class jewelry lottery
*In the high-class gem lottery, you can win Brazilian alexandrite, Paraiba tourmaline from Batalha, Brazil, pink diamonds, and more❗️
There are no losing tickets in either lottery. You are guaranteed to win some kind of jewel! Give it a try!
■Weekday-only lottery
If you purchase any products on weekdays from November 25th (Tuesday), you will be entered into a lottery to win original goods!
Weekdays (excluding the first day) from morning to evening tend to be relatively relaxed for viewing, so this is especially recommended for those who want to take their time to enjoy the jewels or consult about custom-made items.
After enjoying your shopping, try your luck with the weekday-only lottery! It's your chance to win some wonderful original goods.
*Excludes Friday the 21st and weekends and public holidays.
💎Custom-made consultation corner
You can request a custom-made ring, pendant, or other item on the spot using the gemstone you select on the day.
This also applies to loose stones purchased from Caratz in the past and Shimizu Precious Stones. If you are considering purchasing, please bring them with you.
There are approximately 40 different design frames to choose from (*). You can also customize it by changing the side stones to colored diamonds, Paraiba tourmalines, alexandrites, etc., or by adding matte or engraving. Try placing it in the frame and expanding your imagination!
*Some frames have limited sizes and cuts.
*We do not accept jewelry purchased from other companies.
[Points to note when purchasing loose stones]
If you would like to have a custom-made piece made using a loose stone that you have previously purchased from Caratz or Shimizu Precious Stones, please be sure to read and understand the following points before bringing it in.
◎ Regarding products purchased in the past at Caratz
Please be sure to bring proof that you have previously purchased from Caratz.
<Example>
● Caratz Quality Assurance Certificate (formerly Caratz Appraisal Certificate)
- Something that shows your product purchase history (such as a screenshot of the purchase screen)
●Stickers that were attached to products during the event, etc.
If a stone breaks during the process of making custom-made jewelry from a product you purchased from us, we will provide full compensation (※) by refunding the cost or finding a replacement.
*Some gemstones may not be covered by compensation depending on the type and condition.
If we are unable to confirm that you have purchased a product from us in the past, we may refuse to accept your order, as it would be difficult to provide compensation.
Please note that we can also create products using bonus items that have been given away for free in the past, but we cannot provide compensation if the item breaks.
◎ Regarding products purchased directly from Shimizu Kiseki <br> For products that have been purchased directly from Shimizu Kiseki in the past, we cannot provide compensation if the product breaks during processing.
Please only bring it in if you are happy with this.
