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The Ultimate Guide to Buying Natural and Lab-Grown Diamond Engagement Rings

By:  Sharlize Dsouza

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Natural and lab grown diamond engagement ring buying guide

Picture this: You meet the love of your life and after having the most blissful relationship known to man, decide that you’re ready to propose. And while you’ve already scouted out the perfect location and come up with the ultimate tear-jerking speech, there’s one question that keeps plaguing your mind – How to buy a diamond engagement ring?

And TBH, we understand why you’d be stressed… After all, an engagement ring for your woman is more than just a symbol of your love; it’s a physical representation of how well you know your fiancée-to-be.

Of course, if you’re new to the world of fine jewellery, picking the right sparkler can be a task. Why? Because there are so many options for you to choose from – For instance, what metal or style makes the most sense and more importantly, do you take the lab-grown or au natural route when it comes to picking your diamond?

Are you nodding your head in agreement? Because if so, count on this article to help you find a natural or lab-grown diamond engagement ring that both you and your woman will be happy with!

First Things First… What’s the Difference Between Natural and Lab-Grown Diamonds?

Natural diamonds are formed under extreme pressure and temperature conditions, roughly 100 miles below the Earth’s surface. Lab-grown diamonds, on the other hand, are created under similar conditions within the controlled environment of a labouratory.

Contrary to popular belief, lab-grown diamonds share the same chemical, optical and physical properties as their natural counterparts which basically makes them real diamonds.

In fact, these gemstones are so similar that even professional gemologists would struggle to tell the difference without the appropriate professional equipment.

Here, apart from the environment in which they were created, the main difference between these stones is their price point. While creating gem-quality diamonds in a lab can cost a pretty penny, the process is still more affordable than mining the gemstone. As such, lab-grown diamonds tend to be much more pocket-friendly than their natural counterparts.

Also Read: Guide to Buying Natural and Lab-Grown Emerald Engagement Rings

Diamond Engagement Ring Buying Guide: Points to Consider When Buying the Perfect Sparkler

The 4Cs

This term refers to the cut, colour, clarity and carat weight of a gemstone. Together, they form the foundation for evaluating, grading and deciding the quality and by extension, the value of diamonds.

Similar to their natural counterparts, lab-grown diamonds can range from faint yellow/brown to true colourless. What’s more, like natural diamonds, lab-grown diamonds also tend to have inclusions (tiny flaws that occur during the stone’s formation) which can impact their clarity grade. As such, the same colour and clarity scales are used to grade both natural and lab-grown diamonds. In a similar vein, the same process is used to evaluate the cut and carat weight of both types of stones. So, whether natural or lab-grown, the points to consider when picking a diamond engagement ring will be the same for both.

Now, onto the 4Cs…

1. Cut

NGL, when people ask us for tips on how to choose a diamond for engagement rings, our first response is to cheque the gemstone’s cut.

This refers to the arrangement of facets required to create an attractive face-up appearance. Though used interchangeably, a gemstone’s cut is different from its shape, which refers to its outline. Here, the cut majorly impacts the shine and aesthetic of the gemstone.

In terms of diamonds, a brilliant cut and round shape are most commonly used, which is why the three main factors used to determine the cut grade of a round brilliant diamond are as follows:

i) Brightness

Also known as brilliance, this term indicates the total amount of light reflected from a diamond. Remember that an excellently cut gem will always look brighter than a poorly cut one. The same is true even if the other 3Cs of the stone remain the same.

ii) Scintillation

This refers to the pattern of light and dark areas as well as the flashes of light (aka sparkle) that appear when a diamond is moved. Here, a diamond with low scintillation can appear dull.

iii) Fire

This indicates the diamond’s dispersion of light into the various colours of the spectrum. To simplify it, this basically means that the diamond plays the role of a prism that splits the white light that passes through into its constituent colours. The result? A rainbow of hues that’ll captivate any onlooker.

Read more: Birthstone Engagement Rings

Apart from the above, the following four components can also impact a diamond’s cut grade – symmetry, weight ratio, durability and polish.

Interestingly, based on the previously mentioned aspects, a diamond can be placed into one of the five grades mentioned below:

i) Excellent

These gems display the highest amount of brilliance and sparkle. Furthermore, because almost all the incoming light is reflected through the stone’s table, it radiates a sparkle unlike any other.

ii) Very Good

These stones feature exceptional fire and brilliance. What’s more, because the majority of light reflects through the table, these gems appear to have (at least to the naked eye) the same amount of sparkle as excellent cut diamonds do.

iii) Good

These diamonds showcase both brilliance and sparkle with quite a bit of light reflecting through the table to the viewer’s eye.

iv) Fair

These gemstones offer only a little brilliance. This is simply because light easily exits through the sides and bottom of the stone.

v) Poor

These stones feature nearly no sparkle, brilliance or fire as most of the light escapes from the bottom or the sides of the diamond.

Tip: For the most part, the cut of a diamond can really impact its shine. As such, we highly recommend sticking to the excellent or very good cut grades here.

Also Read: What Are the 4Cs of Diamond?

2. Colour

colour shades of natural and lab grown diamond

After the cut, we always recommend that people look at the colour of the diamond when buying their natural or lab-grown engagement ring.

Believe it or not, unlike other gemstones or fancy diamonds, the value of white diamonds is typically based on how close they appear to colourless.

Here, depending on their hue, or lack thereof, each gem is placed on a chart known as the diamond colour scale. Mentioned below are the letter grades present on the same:

i) D – F

The gems present within this category are either colourless or as close to being colourless as possible.

a) D

These gems are characterized by their colourless nature. They’re considered to be the pick of the litter and are often the best money can buy.

b) E and F

Interestingly, diamonds with this grade look colourless to the naked eye. That said, they typically contain minuscule traces of colour that can be spotted by an expert gemologist.

ii) G – J

These gemstones are defined by their near colourless nature.

a) G and H

Unlike stones with better grades, these gems feature minute traces of colour that’re practically invisible to the naked eye. That said, these traces are more visible if the diamond in question is compared with a colourless one.

b) I

These gemstones have an ever-so-slight yellow tint that can only be seen when they’re viewed next to diamonds with a higher colour grade.

c) J

Diamonds with this grade look almost colourless to the naked eye. That said they usually have a faint yellow tint that can be spotted under magnification and bright lights.

iii) K – M

The gems that fall within these categories are characterized by their faint yellow hue.

iv) N – R

Though very light, the yellow or brown tint featured on these diamonds is slightly more prominent and can be noticed by the naked eye.

v)  S – Z

Diamonds that belong to these categories are either yellow or brown.

Most Preferred: Interestingly, most people opt for near colourless diamonds for their engagement rings. Why? Well, not only do these stones look colourless to the naked eye but they’re also slightly more affordable which make them a great option for anyone working on a budget.

Also Read: 10 Best Colours To Boost Your Mood, According To Colour Psychology

3. Clarity

clarity of natural and lab grown diamond

Due to the immense pressure under which they’re created, diamonds tend to have a variety of inclusions (internal) and blemishes (external) that can greatly impact their brilliance.

Here, a diamond’s clarity indicates the absence of these flaws.

To measure this aspect, each gem is evaluated and placed on a clarity chart made up of 11 grades that range from FL (Flawless) to I (Included).

Noted below are explanations for the same:

i) FL (Flawless)

The stones are loved for their lack of blemishes and inclusions.

ii) IF (Internally Flawless)

The gemstones that fall within this category do not have any visible inclusions. That said, they do have a few blemishes that can be noticed under 10x magnification.

iii) VVS1 & VVS2 (Very, Very Slightly Included)

Diamonds with this grade have extremely minuscule inclusions that’re extremely difficult to spot (even if the gemologist is trained and has a 10x jeweller’s loupe).

Mentioned below are the two sub-grades presented under the same.

  • VVS1 (Very, Very Slightly Included – First Degree) – These diamonds only have tiny inclusions that aren’t visible even under 10x magnification.
  • VVS2 (Very, Very Slightly Included – Second Degree) – Though ever so slightly more included than the previous sub-grade, the diamonds that fall within this category also feature only minor flaws that’re just barely visible under 10x magnification.
iv)VS1 & VS2 (Very Slightly Included)

These diamonds are defined by their minor inclusions which can range from difficult to somewhat easy to spot under 10x magnification.

Noted below are the two sub-grades of this category:

  • VS1 (Very Slightly Included – First Degree) – The inclusions present within these gems are tough to find (even by expert gemologists).
  • VS2 (Very Slightly Included – Second Degree) – Gemologists have no problem finding the flaws within these diamonds with the help of a 10x microscope or jeweller’s loupe.
v) SI1 & SI2 (Slightly Included)

While the flaws present within these diamonds may not be visible to the naked eye, they can easily be found by skilled graders under 10x magnification.

  • SI1 (Slightly Included – First Degree) – These diamonds contain very small inclusions.
  • SI2 (Slightly Included – Second Degree) – The stones are more flawed. These inclusions can be spotted with the naked eye.
vi) I1, I2, I3 (Included)

The flaws present within these gems are extremely apparent under 10x magnification and may even affect their transparency and brilliance.

The sub-grades are as follows:

  • I1 (Included – First Degree) – These gems contain flaws that are almost always visible to the naked eye.
  • I2 (Included – Second Degree) – The diamonds with this letter grade are much more included and contain several, apparent flaws.
  • I3 (Included – Third Degree) – Finally, these diamonds are defined by several eye-visible inclusions that can greatly reduce their durability.

Tip: To get the most bang for your buck, we recommend opting for diamonds within the VS1 – SI1 range. Not only are these gemstones comparatively affordable but they’re also eye-clean, so no one will be able to tell the difference.

Also Read: What Is Diamond Clarity – Chart, Grade and Quality?

4. Carat Weight

carat weight of natural and lab grown diamond

When it comes to shopping for diamond engagement rings for women, many people consider the stone’s carat weight to be an important factor when picking the perfect piece.

To put it simply, a diamond’s carat weight indicates how much it weighs. Here, 1 carat = 200 milligrams. It’s interesting to note that each carat can be further divided into 100 points. This allows for more precise measurements.

In terms of its value, given that the cut, colour and clarity of the gemstone remain the same, the value of the diamond will increase along with its size.

Tip: If your partner has her heart set on a huge stone, opting for a lab-grown diamond (which is more economical) is a great way to fulfil her wishes while also sticking to your budget.

Also Read: Ideal Metal for Your Diamond Ring

Shape

shape of natural and lab grown diamond

Now that you’ve settled on your rock, the next trick to finding the perfect diamond engagement ring is to focus on the shape of the stone. For the best choice, we highly recommend picking a shape that suits your bae’s personality.

1. Round

Timeless and sparkly beyond measure, this shape is a classic choice when it comes to engagement rings. And if your girl’s someone who loves all things traditional, then the round shape is perfect for her.

2. Oval

Fun fact: Over the last few years, the oval has become one of the most prominent shape choices for engagement rings. This is primarily due to its brilliance and elongated shape which creates the illusion of a larger gemstone (as compared to other shapes with a similar carat weight).

Considering its boldness, we recommend picking this shape if your woman is a highly individualistic boss babe who loves keeping up with the latest trends.

3. Pear

Is your S.O. someone who hates following rules? Because if so, we bet she’ll love this shape.

Also known as the ‘teardrop’ shape, the pear is a gorgeous blend of the marquise and round shapes. It’s beautiful, eye-catching and ultra-unique – just like your girl.

4. Heart

Lastly, if your woman is an old-school romantic, you can’t go wrong with a heart shape. Representing love and devotion, this shape is sure to add a romantic edge to your ring and make your girl swoon.

Also Read: How To Find The Average Gemstone Carat Size For An Engagement Ring?

Setting

Setting of natural and lab grown diamond

1. Prong Setting

This setting features tiny metal claws (usually 4 – 6) that protrude from a metal basket to delicately cradle your diamond and hold it in place.

It’s one of the most popular settings out there and is adored for its minimal metal interference, classic vibe and security.

2. Cathedral Setting

Featuring graceful arches of metal that cradle your diamond and hold it high up, this setting is a fabulous choice if your queen is a fan of all things royal and luxurious.

And the fact that this setting spotlights your diamond… Now, that’s just the cherry on top!

3. Bezel Setting

Undoubtedly the most secure setting option of the lot, the bezel setting protects the centre stone by surrounding it with a metal collar.

So, if you’re looking for a setting that can keep up with your girl’s active lifestyle, this one has got to be it.

Also Read: Different Shapes and Cuts of Diamonds for Rings

Ring Style

1. Solitaire

The epitome of elegance and style, the classic solitaire ring constitutes a single gemstone. It signifies the love and commitment that exists between partners and is a great option if your partner adores minimalism.

Did You Know? 

According to the Queensmith End-Of-Year Trends Report, celebrity engagement rings have played a huge role in the buying decisions of consumers. For instance, Hailey Bieber (who got engaged in 2018) was proposed to with an oval solitaire ring – a sparkler that influenced ring buying decisions even in 2023.

2. Two-Stone

Also known as ‘Toi Et Moi’ (translating to ‘you and me’), this style features two stones placed side by side and bound together by precious metal. It symbolises the coming together of two souls and is a great way to showcase your love and commitment to your partner.

3. Three-Stone

Constituting three prominent gemstones that represent the past, present and future of a relationship, this ring design beautifully encapsulates the story of love. What’s more, it’s sophisticated without being too OTT, which makes it the perfect choice for your forever classy woman.

4. Halo

Stunning and extravagant, this design includes several small diamonds that surround the centre stone and make it appear larger than life. Needless to say, if your girl falls within the ‘bigger is better’ category, then this design is definitely one you should consider going for.

Also Read: What Are the Different Types of Jewellery Settings?

Metal

Metal

1. Yellow Gold

For the tradition-loving girlfriend (yes, we’re talking about your love), yellow gold is a fabulous metal choice. Crafted by combining pure gold with alloy metals like silver, copper and zinc, this metal is a classic through and through.

2. White Gold

Created by mixing pure gold with zinc, silver, palladium and/or nickel, white gold is designed to add a touch of modernity to your ring. Thanks to its rhodium plating, this metal features a distinctive sheen that is bound to make your girl fall in love.

3. Rose Gold

Constituting a combination of copper and pure gold, this blush-worthy metal features a unique pinkish tinge guaranteed to make your love swoon.

4. Platinum

If you’re looking for a metal strong enough to withstand the ups and downs of daily life, platinum is where your search ends. Known for its silvery-white hue and extreme durability, this metal is perfect for your clumsy girl.

Of course, if you can’t find the perfect sparkler, you can always design your own engagement ring with our Create With Angara feature. From the overall style of the piece to the metal used, every aspect of the engagement ring can be customised by you here. This will ensure that you wind up with a stunner that truly reflects your love and the beauty of your relationship.

At the end of the day, remember that the perfect engagement ring isn’t just about how it looks or the stone being natural or lab-grown – it’s about the emotion and story that the ring represents. So, think about what you want your sparkler to communicate and take your pick accordingly. Regardless of your decision, we bet she’ll love the piece.

Also Read: Which Metal Is the Best for Emerald?

 

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