Skip to content
Rosenberg Diamonds & Co.
Speak with an Advisor

Frequently Asked Questions

What makes Rosenberg Diamonds different from others?
Founded by renowned diamantaire and entrepreneur David Rosenberg, Rosenberg Diamonds & Co. blends old-world values with modern sophistication, upholding uncompromising principles of excellence, trust, and expertise. As proud diamantaires, we specialize in both significant large white diamonds and rare natural fancy color diamonds. Our clients enjoy extraordinary values paired with utmost discretion, security, and professionalism. Our service is as impeccable as our world-class collection.
Yes. Each significant diamond in our collection is certified by the GIA to guarantee absolute accuracy.
All our diamonds are 100% natural.
No. We do not sell, purchase, or trade any lab-grown synthetics, HPHT (High Pressure High Temperature), CVD, simulants, cubic zirconia, or moissanite. At Rosenberg Diamonds, we exclusively offer 100% naturally mined diamonds.
Yes. We highly recommend scheduling an appointment as walk-ins are subject to availability. Booking in advance ensures personalized service and allows us to prepare for your visit. Book an Appointment
Absolutely. Beyond our signature designs, you can collaborate directly with our expert designers to bring your vision to life, whether it’s a bespoke ring or a unique masterpiece. The custom design process is as personalized as it is unforgettable.
Yes. We are committed to ethical sourcing. Our diamonds come from reputable suppliers who adhere to the Kimberley Process, ensuring all stones are responsibly sourced and free from conflict. Learn More
The majority of our diamond collection consists of colorless diamonds graded D-F in color and VS2 to Flawless in clarity. We also carry a select, handpicked collection of near-colorless diamonds.
Yes! Fancy color diamonds are one of our specialties. We offer a vibrant kaleidoscope of colors ranging from pale to vivid yellow, pink, blue, green, orange, purple, red, and violet.
Yes. Resizing is available exclusively for rings purchased from Rosenberg Diamonds. Our skilled jewelers will ensure your ring fits perfectly.
Most of our jewelry is crafted in platinum or 18kt white or yellow gold.
Yes. We provide professional repair and maintenance services exclusively for items purchased at Rosenberg Diamonds, from cleaning to expert repairs, preserving the brilliance and longevity of your jewelry.
We want you to be completely satisfied with your purchase. We offer a 7-calendar-day window from the date of purchase for exchanges or store credit on stock items of equal or lesser value. Store credit must be used within 1 calendar year. Customized, special order, sized, engraved, worn, used, altered, or damaged items are not eligible.
Currently, we do not offer an online shopping cart. Please schedule a consultation with our diamond concierge team. Contact Us
Yes. We offer worldwide shipping so you can enjoy our products wherever you are. Due to legal restrictions, we cannot ship to countries under sanctions. Please contact us with any questions regarding shipping eligibility. Shipping Policy
Yes. Please contact our acquisition and procurement department for discreet and confidential transactions. Contact Us
No. Our website represents a small portion of our inventory, which changes frequently. Please contact us for specific inquiries. Contact Us
We recommend insuring your jewelry to protect your investment. We can provide documentation and information to assist with insurance coverage.
Yes. Our engagement rings start from 1 carat and up. Engagement Rings
Join a team with decades of experience in the diamond industry. We value fresh ideas and excellence. Submit your resume, cover letter, and portfolio to We look forward to learning how you can contribute to our radiant team. Join a team with decades of experience in the diamond industry. We value fresh ideas and excellence. Submit your resume, cover letter, and portfolio to [email protected] . We look forward to learning how you can contribute to our radiant team.

If you have any further questions or need assistance, please contact us. We're here to provide you with an exceptional and memorable luxury diamond jewelry experience.