JMĀ® Marketplace
A smarter way to source natural and lab-grown diamonds, exclusively for jewelers.
Browse certified natural and lab-grown diamonds from trusted suppliers
Each supplier is vetted by Jewelers Mutual. Every diamond in our inventory is certified and verified prior to delivery.
Free for registered jewelers
Register for a free Zing platform account to enjoy full access to the marketplace.
24/7 access. Real-time availability
Access the marketplace at any time. Items listed are in-stock and ready to be shipped with on-demand, flexible sourcing.
Quality you can trust
View grading reports, high-quality images, and complete specifications and certifications before you buy.
1.5M Diamond selection
Find natural and lab diamonds from trusted global B2B suppliers.
Competitive pricing
Instantly compare listings to ensure you're getting the best value.
Personalized dashboard
Quickly review your shipments and their status with an easy-to-use, personalized dashboard
Advanced filtering
Leverage 20+ filters for a precision search experience that fits your vision and investment
Comparison chart
Explore the details, compare specifications, and find the one that speaks to you
Track your order
Monitor every step from purchase to deliver with full visibility into your order
"The quantity and prices are phenomenal, and they have allowed my business to see tremendous growth in profit margins. I haven't seen that in the past with other marketplaces."
Dean Fredrick, Dean Fredrick Custom Jewelry