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Can a jeweler tell a lab diamond apart?

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Rachel Phillips Active Member
Asked May 25, 2026
Budget is flexible but I do not want to overpay. It is for a gift, so I want to get it right.

5 Answers

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Lily Lewis New Contributor
Vintage jewelry hunter. 4 answers · 0 selected

I talked to my jeweler about this last month. A friend of mine got hers from Amazon and loves it. Save your money. The difference is noticeable but not worth the premium for most people.

This is totally normal. Mine did the same thing for the first month then settled.

May 29, 2026
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Jackson Thomas Top Contributor
Bench jeweler with 10 years experience. 89 answers · 17 selected

Here is what I have found after researching for weeks. I bought mine from Amazon for about $3,000. Save your money. The difference is noticeable but not worth the premium for most people.

It depends on your skin and how often you wear it. Mine is fine, but a friend had issues within weeks.

May 26, 2026
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Jessica Roberts Verified Expert Verified Jeweler
I photograph jewelry for online stores. 116 answers · 13 selected

Here is my honest take after owning one. I compared James Allen and Charles & Colvard before deciding. It depends on your skin and how often you wear it. Mine is fine, but a friend had issues within weeks.

I would say yes, especially if you are on a budget. I have had zero problems so far.

May 28, 2026
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    Lily King May 29, 2026
    Bumping this, still looking for answers.
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Caleb Robinson Top Contributor
Gold collector, 14k and 18k only. 94 answers · 17 selected

Here is what I have found after researching for weeks.

What I Noticed

The sparkle is actually more brilliant than a diamond in my opinion, especially under indoor lighting. Up close, nobody has ever guessed it was not a natural stone.

Cost

I paid $8,000 including the setting. A comparable natural diamond would have been at least five times that. The price difference is the main reason most people go this route.

Durability

It is still going strong after two years. I clean it once a month with warm soapy water and a soft brush. No scratches, no cloudiness.

Who This Is For

  • Great if you want maximum sparkle on a budget
  • Great if you do not care about resale value
  • Skip it if you want something that holds investment value
May 25, 2026
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    Emma Hernandez May 26, 2026
    This is super helpful, thank you.
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Emily Nelson New Contributor
I repair jewelry at my local bench. 6 answers · 1 selected

I talked to my jeweler about this last month. My ring came from Blue Nile with a full certificate. Short answer: no. I switched after a few months and never looked back. The upkeep was not worth it.

Short answer: no. I switched after a few months and never looked back. The upkeep was not worth it.

May 27, 2026

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