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Examine Each Diamond In

360-Degree HD View

Pick Your Diamonds Wisely!

Even though certification is vital when buying a diamond, observing it under close proximity will allow you to make a wiser decision when choosing one.

Curate a beautiful engagement ring with the finest loose diamonds.

Explore Diamonds By Shape

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Design your own Engagement Ring

Select your preferred diamond shape and narrow down your options by factors such as carat, color, clarity, certificate or by budget. We are highly likely to have a wide selection of diamonds matching your specifications. So choose a loose diamond of your choice and match it with a beautiful ring setting in the precious metal of your choice.

Certified DIAMONDS

Every loose diamond on Custom Design by Jacob is conflict-free and certified by one of the top 3 grading laboratories: GIA, AGS or IGI. The diamond certificates are displayed along with the loose diamond on our site.

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Diamond Education

Each diamond is individually selected and graded against its color, clarity, cut and carat weight, but the Custom Design by Jacob process goes beyond standard diamond grading. Confidently make the right choice by learning how to select your perfect diamond.

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