Blue Nile Diamond Review

If you plan to buy diamonds on Blue Nile, you will often spot a remark in the comments section of many GIA certificates that reads “additional pinpoints are not shown”. What exactly does this notation mean, and are diamonds carrying this marking worth purchasing?

You may also encounter other similar notes on Blue Nile diamond reports, such as “additional clouds are not shown” and “surface graining is not shown”. All these comments serve the same core purpose: they notify buyers that the diamond contains extra internal or surface blemishes that haven’t been plotted on the limited diagram area of the certificate.

To start with, pinpoints are standard clarity terms defined by GIA, referring to tiny mineral speckles trapped inside natural diamonds during underground formation. These microscopic solid inclusions come in two types: colorless transparent pinpoints and dark black pinpoints, and they can only be observed clearly under a 10x gemological loupe, completely invisible to the naked eye. On the certificate’s plotting diagram, individual pinpoints are drawn as tiny dots, but when hundreds of these minuscule specks scatter throughout the stone, lab technicians cannot mark every single one on the limited sketch space, hence the supplementary note to inform buyers that numerous tiny pinpoints exist but remain unillustrated. It is critical to distinguish pinpoints from cloud, which are the primary culprit behind milky, hazy diamonds. Pinpoints exist as separate isolated dots and do not scatter light to create foggy dullness, while clouds are patchy flaky masses that block light transmission and ruin transparency. A diamond only marked with unshown pinpoints poses very low visual risks. Even dense clusters of pinpoints will not cause a milky appearance under natural daylight, nor will they weaken brilliance and fire, which is why VVS1 and VVS2 diamonds almost always carry this comment without any practical drawbacks for daily wear. The only minor downside is black pinpoints concentrated at the center of the table; though still invisible bare-eyed, they appear as tiny dark specks under magnification and slightly downgrade the stone’s visual quality. Caution is needed only when pinpoints coexist with prominent cloud inclusions. Combined dense pinpoints and cloud clusters boost internal impurity density, obstruct light penetration, and may lead to subtle haziness, especially for VS2 clarity stones. In terms of blue nile selection guidelines, VVS grade diamonds with this remark are totally acceptable. VS1 and VS2 stones with only pinpoints and zero clouds are safe choices, while those pairing clouds with unshown pinpoints should be approached carefully. For SI1 and SI2 diamonds, existing visible flaws make extra pinpoints negligible. Even top-color D-F diamonds with merely unmarked pinpoints will not turn gray or foggy outdoors.

When it comes to resale value, stones only noted for unshown pinpoints see minimal price cuts during recycling or second-hand trade, with roughly a 10% smaller discount compared to diamonds marked with unshown clouds and miscellaneous inclusions. In short, extra unillustrated pinpoints are harmless natural tiny blemishes that never create milky diamonds or dim sparkle. Clouds are the real hazard to watch out for. If you dislike abundant internal impurities, simply filter out stones with this comment; otherwise, you can confidently pick them without worrying about compromised light performance.

A lot of brides-to-be are stuck choosing 0.8-carat diamonds lately. A client sent me GIA certificates of four different stones from Blue Nile and asked me which one is worth buying.

Fun fact: all four diamonds are graded 3EX, but their actual fire, clarity and visual performance are super different.

I’m breaking down every detail today so you guys can skip the bad picks and choose the best one easily.

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Diamond 1 & 2: Similar specs, just average performance (go with the 0.81ct)

These two Blue Nile diamonds have almost identical parameters and cut proportions. Both have pretty high crown angles, which makes their total depth ratio larger than normal.

Even with a full 3EX lab grading, this kind of cut limits light reflection. Compared with other standard 3EX diamonds, their fire performance is just mid, no outstanding sparkle at all.

Also, both are VS2 clarity, with cloud inclusions as their main flaw. Clouds definitely hurt transparency a little, leaving a slight hazy risk on the stone.

If you really have to pick between the two, the 0.81ct one is better in overall quality and value.

Diamond 3: Hard pass — high milky diamond risk

This one I would never recommend. It’s also VS2, but its only inclusion is cloud. This is a huge red flag for milky diamonds, and the chance of foggy, hazy appearance is extremely high.

Its cut proportions are way off ideal range too. Table ratio, total depth and pavilion angle all exceed premium standards, which really kills the diamond’s fire and brightness.

It’s obvious the cutter sacrificed perfect cut just to keep a bigger carat weight. Totally not worth your money.

Diamond 4: The best pick out of all four

This diamond beats the other three by a lot. It has no cloud inclusions at all, so zero milky or hazy issues, and the transparency is super clean.

Its cut proportions are well balanced, with excellent fire and light performance. It looks bright and sparkly for daily wear all the time.

If you’re choosing a 0.8ct diamond on Blue Nile, just go with this one, you won’t regret it.

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The 3 quick diamond takeaways

1. 3EX cut doesn’t mean perfect! Bad proportion still ruin sparkle.

2. For VS2 clarity, always check inclusion type. Single cloud inclusion = high milky risk.

3. Avoid diamonds with high crown angle and oversize depth, they always look dull.

Don’t blindly follow diamond parameters. If you don’t understand your GIA report or need help choosing Blue Nile diamonds, feel free to send me your certs for free consultation!

Blue Nile is recognized as one of the world’s largest and most authoritative loose diamond retail platforms, enjoying a high reputation among global diamond buyers for its rich inventory and standardized trading system. In its early days, the platform only focused on the sales and display of natural diamonds, adhering to the operation of natural diamond business for a long time. With the rapid rise and market popularization of lab-grown diamonds in recent years, Blue Nile has continuously expanded its product layout and officially added lab-grown diamond sales services. At present, Blue Nile covers both high-quality natural diamonds and cost-effective lab-grown diamonds, meeting the diverse purchasing needs of different customers.

The operation of Blue Nile’s official website is simple and user-friendly. After entering the homepage and clicking the “Diamonds” section, users can clearly see independent classification entries for natural diamonds and lab-grown diamonds, with complete and detailed product classification. Notably, every diamond listed on the platform is equipped with a real shooting video, which intuitively shows the diamond’s cut, clarity, sparkle and overall visual effect. This allows online visitors to fully check the detailed conditions of each stone without offline inspection.

Do lab-grown diamonds sold on Blue Nile come with credible official certifications?

The straightforward answer is yes. Every single lab-grown stone listed on Blue Nile’s marketplace is graded and documented by globally renowned gemological labs: either GIA or IGI, the two most authoritative independent certification institutes across the international diamond industry.

These reputable laboratories implement strict, standardized grading rules covering color, clarity, cut and carat weight, conducting rigorous physical inspections before issuing formal lab reports. Each certificate carries unique serial numbers that buyers can verify directly on the official GIA or IGI website to cross-check all diamond parameters and rule out altered or counterfeit paperwork.

Thanks to such authoritative third-party appraisal, the overall quality of Blue Nile’s lab-grown inventory stays consistently reliable. Unlike uncertified loose stones from obscure small vendors without formal grading proof, these certified lab diamonds deliver transparent quality control and greatly lower purchasing risks for consumers. If you struggle to distinguish genuine certified stones from poorly graded alternatives, our professional team is ready to offer personalized picking advice anytime.

Diamond selection involves complex parameter judgment, and many beginners are prone to encountering various hidden traps. If you have any confusion or difficulties when picking diamonds on Blue Nile, welcome to contact us at any time. We provide professional one-on-one selection guidance to help you avoid all kinds of purchasing pitfalls, and finally pick high-quality diamonds with excellent permeability, large visual size and brilliant scintillation.

First, it suffers from unbalanced cutting proportions. Its excessively large table percentage and unreasonable pavilion angle deviate from the optimal cutting standards for 2-carat diamonds, which significantly weakens the diamond’s core brilliance, fire, and light performance, resulting in dull visual appeal despite its premium color grade, which is the core charm of a diamond.

Second, the stone has obvious clarity defects, including a visible crystal inclusion on the kite facet and a surface cavity. This structural damage easily traps dust and oil during daily wear, and the cavity may gradually expand over time, further destroying the diamond’s internal structure and permanently lowering its clarity aesthetics and value.

For such a substantial investment in a 2 carat diamond, I’d recommend giving this one a pass. So never judge a diamond merely by its specs, always examine real photos and full 360° certification details. If you have any doubts about your picks, feel free to send them to us for professional review, Feel free to send us your questions about choosing diamonds using the form below.

Small tip in a word: Always prioritize real-shot images, 360° detailed inspection, and proportion data over simple parameter lists.