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Consultation & Appointments
Visits to our office are by appointment only. Please contact us in advance if you plan to visit.
We are available on weekdays from 9:00 AM to 7:00 PM.
For weekends, we will accommodate your schedule, so feel free to reach out to us.
Jewelry Customization & Custom-made Orders
At Weiss, we offer jewelry customization and custom order services to ensure your satisfaction. Please don’t hesitate to consult us for your needs.
Payment Methods
We accept credit cards, bank transfers, and cash.
Shipping & Returns
If you wish to request a return, please contact us within 7 days of receiving the product.
Please note that we cannot accept returns for custom-made items.
For more details, please check here.
Aftercare Services
Weiss jewelry comes with a lifetime warranty. Each piece is handcrafted by skilled artisans using the highest quality diamonds, reflecting our confidence in the craftsmanship. To ensure you can enjoy your jewelry for years to come, we offer comprehensive aftercare services. For more details, please check here.
Ring Re-sizing
Resizing non Mael series rings, colorless rings takes a few days.
Resizing Mael series rings takes 10 days.
After purchase, resizing Mael rings requires a specialized finishing process to prevent the color plating from wearing off, which can only be handled by select factories. We kindly request that you contact us directly for this service.
Elegant Round Shape Very Light Pink Diamond Ring with a 0.581 center stone, 0.681 carat including its side stones and four round-shaped colorless diamonds.
The high transparency of VS2 clarity enhances the beauty of the diamond.
CGL's strict certification ensures the quality of this jewelry piece.
The natural brilliance will add an extra sparkle to your special moments.
よくあるご質問
FAQ
I just learned about Weiss. What kind of brand is it?
Weiss has been supplying the highest-quality natural diamonds to jewelry stores across Japan for over 30 years as a wholesaler. We specialize in fancy-shaped and fancy-colored diamonds and take pride in our extensive inventory.
Recently, we have launched a website and other sales platforms to deliver jewelry directly to customers at reasonable prices.
Where is the jewelry made?
All of our jewelry is handcrafted in Japan by our skilled artisans. Each piece is carefully and meticulously created after receiving an order, with great attention to detail and care.
What metals and materials are used in your jewelry?
All of our jewelry is crafted using natural diamonds and high-quality metals. We meticulously select metals such as gold and platinum to ensure durability, beauty and lasting quality in every piece.
Are your products used?
Weiss' products are all original, designed and created by our skilled designers and craftmen.
Can I buy online?
We recommend that you view the product in person and make your purchase only after being fully satisfied. However, if visiting us is difficult, please feel free to contact us.
Can I view your diamonds and jewelry in person?
Certainly! Please visit our store to see the brilliance of our diamonds and the craftsmanship firsthand.
Do I need an appointment to visit your store?
While not mandatory, appointments are recommended for personalized attention. If you wish to come on the same day, please phone us before coming at 03-5818-2950
What payment methods do you accept?
We accept credit cards, bank transfers, and cash.
Do you offer custom design consultation in person?
Yes, you can consult with our expert designers to discuss creating your own jewelry design. We don't charge for this service.
Is it possible to resize a ring in-store?
Yes, we provide in-store ring resizing services for all jewelry bought in our store.
Please tell me about your returns/refund policies.
In-store purchases are subject to the same return and exchange policies as online purchases. For more details, please refer to our policy here. Contact us by phone (03-5818-2950) or email (admin@weissdiamonds.com). Our staff will respond with sincere attention.
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VS2 - Very Slightly Included
Minor inclusions that range from difficult to somewhat easy to see are visible to a skilled grader using 10x magnification.
reviews
お客様の声
L Ruin
November 4th, 2025
★★★★★
I bought a pink diamond ring online, which made me nervous at first. Yet it looked even more stunning in person and was much cheaper than I expected. The packaging was luxurious, and the setting was intricate, so the ring felt like a piece of art.Being able to find a high-quality pink diamond online, without visiting a store, was pure luck.
Donna L
October 21st, 2024
★★★★★
We easily found the perfect ring for a very reasonable price. we were ready to have to make another trip to Japan to pick up our ring in a few months time, but somehow Adi managed to get it ready for us to pick up during our trip! He was also very accommodating and allowed us to visit during a national holiday. Highly recommend him to anyone hunting for jewellery!
Lahiruni G
June 15th 2024
★★★★★
What a remarkable person is the CEO , customer service is on point, very kind and gentle, I bought my wedding ring with a center diamond, couldn’t be more happier. One of the best place for natural diamonds after searching all over Japan.
