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Blue Nuance in Lab Diamonds

Blue nuance is a tinge of blue color present in HPHT diamonds resulting from excess boron in the diamond after the growth process. Lab diamonds with a measurable amount of boron are considered Type IIb, not Type IIa.



On the left, a 3.05ct F VS1 Cushion grown via the HPHT method with noticeable blue nuance. On the right, a 3.01ct E VS2 radiant grown via the CVD method without blue nuance.

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The Bottom Line:

Not all lab diamonds are created equal, even within the same 4Cs. This is why it is imperative that a lab diamond expert inspect your lab diamond before purchase. It is also why you should work with a retailer who will take back your lab diamond via a trade-in or resale program to ensure you are buying a quality stone.

Ada Diamonds does not sell lab diamonds with blue nuance or long wave phosphorescence.



© 2024 Ada Diamonds, Inc. All diamonds offered by Ada Diamonds™ are proudly laboratory-grown and can be referred to as lab created diamonds, grown diamonds, synthetic diamonds, man-made diamonds, cultivated diamonds, or cultured diamonds.