Explore Our Dazzling Selection
From lab-grown to mined diamonds, and exquisite finished jewelry to precision melee & layouts, find your perfect piece at JASDiamond.
Explore Our Dazzling Selection
From lab-grown to mined diamonds, and exquisite finished jewelry to precision melee & layouts, find your perfect piece at Jas Diamonds.
Unlock the Advantage
Experience the perks of choosing Jas Diamonds for all your diamond and jewelry needs.
Unmatched Quality
Every diamond is meticulously selected for brilliance and purity.
Expert Craftsmanship
Our artisans create stunning pieces with unparalleled attention to detail.
Customer Satisfaction
Our dedicated team ensures a seamless experience from start to finish.
Exceptional Customer Care
With our extensive selection, finding your ideal gem is a breeze, making your search a seamless and satisfying experience.
Exceptional Customer Care
With our extensive selection, finding your ideal gem is a breeze, making your search a seamless and satisfying experience.
We've just slashed prices
on our melee diamonds
Delving Deeper: Get to Know Us Better
Discover the heart and soul behind Jas Diamonds as we share our passion, expertise, and commitment to excellence in every facet of our business.
Shipping
- Priority shipping until 6pm central
- Urgent requests until 8pm
- Drop shipping
Availability
- 25+ people on staff
- Saturday office hours
- Weekend Sales Team
- Sales Staff with experience in retail, manufacturing and production
Short Term Memos
- 3 to 5 diamonds given per call
- Up to 2 week memo allowance
- No shipping charges for sold items
Special Services
- Hand, Tweezer, Shade card videos
- Quality inspection
- Custom cutting
Precision in Selection: The JAS Approach
Discover our meticulous process for handpicking only the finest diamonds, ensuring unparalleled quality and brilliance in every piece we offer.
Pre-Selection
Review list of diamonds from growers by certificates and videos for in-person selection.
Viewing
JAS Team analyses each stone for make, color, clarity, tinge and proper measurements.
Final Selection
2nd round of screening by Ashish to purchase and ensure only cream of the crop stones enter JAS inventory.
Family owned and established in 1983, we are located on Jewelers Row in Downtown Chicago, Illinois and known for our fine makes, supreme clarities, and superb customer service.
Explore Our Extensive Inventory
Our vast selection includes loose mined and lab-grown diamonds, ranging from 0.005 to 10+ carats, ensuring you find the perfect fit. Additionally, our preset and custom jewelry options cater to your specific needs, while our 24/7 live inventory access streamlines your experience.
Loose diamond inventory offerings:
- 8,000+ loose mined and lab grown diamonds above 0.50cts listed LIVE on our website
- Diamond Sizes ranging from 0.005ct to 10.0ct+
- Custom cutting capabilities
- Antique & unique shapes
- Certified fancy color
- Fancy & round shape melee, matched pairs, & layouts
Preset lab grown Jewelry:
- Studs
- Hoops
- Tennis Bracelets
- Tennis Necklaces
- 5-7 Stone Rings
- Custom Manufacturing
What sets us apart from the rest:
- Long Term Memo programs
- Providing multiple diamonds to meet your call. We know 1 won’t always make the sale
- Reliable service: If we don’t have it, we can usually get it
- Custom Lab Grown Diamond Cutting: If we can’t find it, we can usually cut it
- Custom Lab Grown Jewelry: Preset and made to order
- Open Saturdays for inquiries
Explore Our Treasure Trove
Dive into our extensive collection, brimming with a diverse range of exquisite diamonds and jewelry pieces to suit every taste and occasion.
Quantity
- Largest Inventory in the Midwest with over 8,000+ stones all in the US!
- Over 200 stones above 5cts
Quality
- Fantastic Makes
- No Tinge or BGM
- Minimal Bow-Tie
- No Crushed Ice
Following Trends
- Trending Ratios in elongated shapes
- Ovals, Radiant and Emeralds 1.40-1.55 and above
- Elongated Cushions 1.20-1.39
- Unique & Antique Shapes
- Movals
Certificates
- GIA, GCAL and IGI
