Our Story – Diamond Marquise®
For over 30 years, Diamond Marquise® has been a trusted name in fine jewelry, dedicated to bringing elegance, quality, and value to customers worldwide. What started as a passion for exceptional craftsmanship has grown into a renowned jewelry brand, known for unbeatable prices, timeless designs, and outstanding customer service.
As a manufacturer and retailer, we do things differently. By designing and crafting our own jewelry, we cut out the middleman and pass the savings directly to our customers. Our pieces are made with the finest materials, expert craftsmanship, and an unwavering commitment to excellence, ensuring that luxury remains accessible without compromising on quality.
Customer Service
With our Centers in New York & New Jersey we provide life time guarantees, free upgrades. Throughout these years we have earned some of our most valuable customers who we call our family. Contact us at Sales@DiamondMarquise.com for the best assistance!
Jewelry is more than just an accessory—it’s a celebration of life’s most meaningful moments. Over the years, we’ve had the privilege of serving more than 200,000+ customers who have trusted us with their most special occasions. From engagements and anniversaries to everyday elegance, our mission is to create jewelry that tells your unique story.
A Promise of Quality & Trust
At Diamond Marquise®, we believe that every piece of jewelry should last a lifetime. That’s why we proudly offer a lifetime warranty on our craftsmanship, ensuring that your jewelry remains as brilliant as the day you purchased it. And with our exclusive upgrade policy, you can trade in your diamond jewelry for an upgraded piece at any time—because your collection should evolve with you.
Why Choose Diamond Marquise?
✔ 30+ Years of Expertise – A legacy of fine jewelry craftsmanship
✔ Manufacturer-Direct Pricing – Luxury without the markup
✔ Exceptional Customer Service – A personalized shopping experience
✔ Lifetime Warranty & Upgrade Policy – Jewelry that lasts a lifetime
✔ A Trusted Name – Over 200,000 happy customers worldwide