Contact us
+370 (675) 00 737
info@auksinesvajone.lt
You can safely buy diamonds online if you don’t rely solely on a photo and the price. Before buying, check the report from an independent gemological laboratory, compare the 4Cs, view a 360° image or video of the specific stone, make sure the diamond is natural or lab-grown, and read the seller’s return and shipping policies in advance.
Before paying for a diamond or a piece of diamond jewelry, check the following:
If any of these points are unclear, ask the seller additional questions before making a purchase.
The main difference is simple—online, you can’t hold the diamond in your hands and compare several stones under different lighting conditions yourself. Therefore, your decision will largely be based on:
Online, you can quickly compare more options and specifications, but this requires the ability to distinguish meaningful information from a merely attractive product description.
In this case, you’re choosing a specific stone that can later be set in a ring or other piece of jewelry. The following are particularly important here:
In this case, you need to evaluate not only the stone but also the entire piece:
The selection of diamonds online can be nearly endless. If you don’t set limits from the start, it’s very easy to begin with one budget and, after applying a dozen or so filters, end up looking at stones that are twice as expensive. Decide:
This is one of the most important things to know before you even start comparing prices. Natural and lab-grown diamonds are not the same in terms of origin, although lab-grown diamonds essentially have the same basic chemical, physical, and optical properties as natural diamonds.
Two stones that look similar can have very different origins, market positioning, and prices.
Buyers often use the term “diamond certificate.” It would be more accurate to refer to a diamond grading or evaluation report issued by an independent gemological laboratory. It may include:
It is important to understand that such a report is not the same as a product description written by the seller.
If a diamond has, for example, a GIA report, its number can be verified in the laboratory’s database. The information online must match the details in the document provided. If the seller only provides a blurry photo of the document but does not allow you to verify its number, it’s worth asking why.
Not necessarily. A gemological grading report describes the stone’s characteristics, but it should not be confused with a property appraisal or the determination of a specific market price.
Diamonds are evaluated based on four main criteria:
When buying online, it’s more important to understand how to apply these numbers in practice:
| 4C Criteria | What should you check online? |
|---|---|
| Cut | Whether the grading, proportions, symmetry, and polish are listed |
| Color | Whether the grade is clearly specified and what it is being compared to |
| Clarity | Where the inclusions are and whether they are visible in the image |
| Carats | Not just the weight, but also the actual dimensions in millimeters |
Two diamonds with very similar 4C parameters may still look different to the eye. Therefore, the documentation and the image should complement each other. For more details, see the 4C Diamond Buying Guide.
A carat is a measure of weight, not the diameter of a diamond. Two stones of the same carat weight may have:
If you’re comparing several stones of the same shape and similar weight, comparing their dimensions can tell you a great deal about how they’ll look in a piece of jewelry.
These terms are often confused online. Shape refers to the outline of the diamond when viewed from above. For example:
The quality of the cut describes how the stone’s proportions and facets control the light.
If you haven’t decided on a shape yet, we won’t repeat the different options here—you can find them in the article "Diamond shapes. How to choose?"
A studio product photo alone isn’t informative enough when choosing a more valuable diamond. Ideally, you should be able to see:
Why? Because the lab report provides a classification, but it doesn’t convey everything you’ll see with your own eyes. A visual view allows you to better assess:
If one 1 ct diamond costs significantly less than another 1 ct diamond, that doesn’t automatically mean you’ve found a great deal. The price can be influenced by:
Therefore, don’t compare 1 ct to 1 ct; instead, compare stones of similar origin + similar cut + similar 4Cs + similar other parameters. Only then does the price difference make sense.
Even a good diamond certificate doesn’t make just any online store trustworthy. Before paying, check:
If you’re buying an expensive diamond, a consultant’s reluctance to provide additional information is a worse sign than having to wait a little while for a response.
This is especially important when buying a diamond online. A screen doesn’t always accurately convey:
Therefore, find out in advance:
High-value jewelry isn’t just any ordinary package. Before buying, find out:
Especially when buying from abroad, it’s also worth clarifying the delivery, tax, and return procedures in advance.
Yes, if the seller is reputable, provides sufficient information about the specific diamond, allows you to verify documents from an independent laboratory, and has clear delivery and return terms.
First, check which laboratory issued the document. If the laboratory has an online report verification system, use the document number to compare the data provided there with the seller’s information.
You need both. A laboratory report objectively describes the stone’s characteristics, while a high-quality image helps you understand what a specific diamond looks like. A document alone does not convey the full appearance, and a photo alone does not confirm the technical parameters.
No. A carat indicates weight. Diamonds of the same weight can have different dimensions and appear to be different sizes due to their shape and proportions.
This must be clearly stated in the product information and, where applicable, in the gemological laboratory’s reports. You cannot reliably determine its origin based on a simple photo alone.
When buying a diamond online, the biggest mistake is simply looking for the highest carat weight at the lowest price. You’ll make a good choice when you consider the origin, lab reports, the 4Cs, dimensions, the specific appearance of the stone, and the seller’s credibility together.
If you’re looking for a ready-made piece of jewelry, check out “Auksinės Svajonės” premium jewelry with gemstones. If you’re choosing a diamond specifically for an engagement ring, it’s worth reading the guide to choosing an engagement ring.
