Weiss has been providing the highest quality natural diamonds to jewelry stores in Japan as a wholesaler for over 30 years.
We take pride in our extensive inventory, which features a wide range of fancy shapes, fancy colors, colorless diamonds, and round diamonds. Thanks to our rich selection and skilled craftsmen, we also offer custom-made jewelry tailored to perfectly fit our customers' desires.
reviews
お客様の声
Gildo Aleshinsky
July 12th, 2024
★★★★★
We found Weiss on Instagram and followed to their website. We were interested to see a specific item but when we came to their studio we saw such an amazing collection of diamonds that we decided to go with a custom design. Their designer gave us a sketch and we made an amazing pendant! Thank you so much for making a dream come true!
Guy Landau
July 8th, 2024
★★★★★
Excellent service and great price. We've chosen the perfect diamonds from their large inventory to fit our jewelry (ring). Highly recommend, we'll definitely come back.
Trade 303
June 15th 2024
★★★★★
My fiancé and I visited Weiss Co in Japan for an engagement ring on our last day. Adi and his team were incredibly helpful and provided exceptional service, even as their day was ending. We found a perfect ring and plan to return for our wedding bands. The quality and attention to budget were impressive. Thank you, Adi! 5/5 service.
new products
新着商品
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Mael Cushion Faint Pink Diamond Pendant Necklace - 0.786ct
¥540,000 (Tax incl.)Unit price perNEW -
Mael Cushion Fancy Yellow Diamond Ring - 0.898ct
¥380,000 (Tax incl.)Unit price perNEW -
Mael Round Very Light Pink Diamond Earrings - 1.265ct
¥720,000 (Tax incl.)Unit price perNEW -
Sold outDiamond Tennis Bracelet - 2.38ct
¥560,000 (Tax incl.)Unit price perNEWSold out
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Certified Diamonds
Choose from diamonds that come with authentic third-party certification from trusted laboratories.
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Custom Design
Create your unique jewelry piece at an unbeatable price.
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Lifetime Guarantee
Enjoy a lifetime guarantee on resizing, polishing, and coating by our experienced staff.
Get 100% trade-in value for a future upgrade.(The upgrade is at least double the original purchase (any discounts disqualify))
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Established Expertise
Over 50 years of experience serving clients worldwide, with a wide range of choices and budget-friendly diamond imports.
