Precious Diamonds  - Quality diamonds and custom diamond jewelry
We offer three lines of diamonds:

Value line - Eye clean, face up white diamond studs, hoops, pendants & solitaries. A superior grade and much better value than comparable offerings!

Precious Diamonds line - AGS ideal and GIA excellent graded diamonds. We analyze every diamond and work together with some of the world’s best diamond cutters to bring you the ultimate in both light performance and value! Our diamonds are dazzling and full of sparkle in normal everyday light! 
Crafted by Infinity Diamonds - At our highest end of perfection and performance, we offer Infinity Round and Princess super ideal cut diamonds. Infinity is a boutique diamond manufacturer based in Antwerp, Belgium. They produce the best diamonds in the world.

Infinity crafts fewer than 1,000 “super ideal” diamonds per year, with a complete focus on cut quality, resulting in unsurpassed performance and precision. Infinity boasts the world’s first “super ideal” princess cut.

You are welcome to make an appointment to inspect our diamonds under multiple lighting conditions, including our diamond evaluation lights, hearts and arrows viewers and our loupes (magnifiers). We share all data/information with you about our diamonds, including their grading reports, H&A pictures and our analysis of each diamonds light performance. Here are some pictures of our diamonds.

PLEASE NOTE: Our diamond inventory and availability changes daily. Many of our best diamonds (quality, value & price) and most of our Infinity diamonds are reserved for our clients straight from production.
Please contact us at (888) 804-8030 to discuss your requirements.

HRD Diamond High Council of Europe
McDonnell Diamonds LLC
99 Pine Hill Road #648
Nashua, NH 03063 USA

011 353 1 671 0055 (IRL)
Federation of Jewellery Manufactures of Ireland

© McDonnell Diamonds LLC: Some content used with permission.