Loose Lab Grown Diamonds
Explore ethical lab grown diamonds in a wide range of shapes and cuts, from round, oval, cushion, emerald, radiant and marquise to old mine, old European, rose, step and other cuts. Choose from IGI and GIA certified diamonds, distinctive antique inspired cuts, and matching pairs for engagement rings and custom jewelry designs.
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About Loose Lab Grown Diamonds
Loose lab grown diamonds in this collection can be compared using four main stone level attributes: shape, cut style, proportions, and grading information. These details help distinguish diamonds with similar carat weights that may look noticeably different in face-up outline, facet pattern, and documented quality.
Shape Proportions Change the Face Up Appearance
Two loose diamonds with the same general shape can look noticeably different if their proportions aren’t identical.
Length, width, depth, and length to width ratio influence how a stone looks from above. Elongated proportions give it more visible length, while broader proportions create a fuller outline. These measurements are especially useful when you’re comparing individual stones within the same shape category.
IGI and GIA Reports Identify Individual Diamonds
Certification is another detail that varies from stone to stone within the collection.
Selected loose lab grown diamonds are listed with IGI or GIA grading. Other stones may not have the same certification wording in their product titles. Current listings include both IGI Certified Round Cut and GIA Certified Round Cut loose lab diamonds.
A grading report belongs to an individual diamond. Check the specific product details to confirm certification rather than assuming it applies to every stone in the collection.
Carat Weight and Visible Size Are Not the Same Measurement
Carat describes a diamond’s weight, but it doesn’t tell you exactly how much surface area the stone shows from above.
Length, width, depth, and overall proportions determine how that weight is distributed. An elongated diamond may show more length, while a deeper or broader stone can distribute a similar weight differently.
Compare carat weight alongside the listed dimensions to judge how large a loose diamond will appear.
Compare Each Diamond Through Its Own Specifications
Once you’ve decided on the preferred shape and cut direction, focus the final comparison on the individual stone.
Review its carat weight, measurements, proportions, color, clarity, and grading information where provided. These specifications help you distinguish between diamonds in the same shape category. They also provide the measurements needed when the stone is later incorporated into a jewelry setting.
FAQs
Q. Can two loose diamonds with the same shape have different proportions?
A. Yes. Length, width, depth, and length-to-width ratio can vary between diamonds with the same shape name, giving them different face-up outlines.
Q. Does certification mean two diamonds will have the same quality?
A. No. IGI or GIA reports document an individual diamond’s characteristics. You still need to compare the grades and measurements stone by stone.
Q. Can antique and modern cuts appear within the same loose diamond collection?
A. Yes. Current loose-stone options include modern diamonds alongside specialty and antique-style cuts such as Portrait, Old Mine, and Old European designs.
Q. What matters most when comparing two loose lab grown diamonds?
A. Compare shape, cut style, carat weight, dimensions, proportions, color, clarity, and available grading information rather than relying on a single specification.
