How to Spot Fake Lab Grown Diamond Necklaces: Buyer’s Guide

Introduction

Lab grown diamonds are becoming very popular today. More and more people want to buy lab grown diamond necklaces because they look just like natural diamonds but usually cost less. The market for these diamonds has grown a lot — around 15% every year recently.

But with this rise in popularity, there are also many fake necklaces being sold. Some buyers have shared stories about how they were tricked into buying fake lab grown diamond necklaces that were not real diamonds at all. This guide will help you learn how to spot fake lab grown diamond necklaces so you can buy the real ones with confidence.

Understanding Lab Grown Diamonds

What Are Lab Grown Diamonds?

Lab grown diamonds are real diamonds. They have the same physical and chemical properties as natural diamonds that come from the earth. The only difference is that lab grown diamonds are made in laboratories, not dug up from the ground.

These diamonds are created using special machines that apply very high pressure and temperature or use a method called chemical vapor deposition. Because they are made in labs, they usually cost 30-50% less than natural diamonds.

Popularity and Market Growth

The market for lab grown diamonds is huge now. It is worth over $20 billion globally and keeps growing. Younger buyers especially like lab grown diamonds because they are cheaper and more ethical. Many big jewelry brands are investing a lot in lab grown diamond jewelry, including lab grown diamond necklaces.

Differences Between Natural and Lab Grown Diamonds

The main difference is where they come from. Natural diamonds are made inside the earth over millions of years. Lab grown diamonds are made in labs in just a few weeks.

Price is another big difference. Lab grown diamonds are usually much cheaper. They are also better for the environment because they don’t need mining, which can harm the planet.

Recognizing Fake Lab Grown Diamond Necklaces

Even though lab grown diamonds are real diamonds, many fake stones are sold as lab grown diamonds. These fake stones look similar but are not diamonds at all.

Common Types of Fakes

• Cubic zirconia and moissanite: These stones often pretend to be lab grown diamonds. They look shiny but are not as hard or valuable.

• Fake plating or non-diamond stones: Some necklaces use metal plating or glass stones to look like diamonds.

• Misleading marketing and labeling: Some sellers use confusing words to trick buyers into thinking their stones are lab grown diamonds when they are not.

Signs of a Fake Necklace

• The sparkle or color looks unusual or different from a real diamond.

• The necklace has poor craftsmanship or stones that are loose.

• The certificates or branding do not match the necklace or seem fake.

How to Verify Authenticity

Check for Certification from Reputable Labs

Always ask for a certificate when buying a lab grown diamond necklace. The certificate should come from well-known labs like GIA, IGI, or HRD. These labs test and certify diamonds to confirm they are real and tell you about their quality.

Examine the Necklace Under a Jeweler’s Loupe

A jeweler’s loupe is a small magnifying glass used to look closely at the diamond. Under the loupe, you can check the diamond’s clarity, cut, and look for small marks called inclusions that help identify real diamonds.

Use Specific Testing Tools

Thermal or electrical conductivity testers are tools that help test if a stone is a diamond. Lab grown diamonds usually pass these tests, but some fake stones like moissanite can pass too, so these tests are not perfect alone.

Key Tests to Confirm Authenticity

Visual Inspection

Look carefully at the diamond’s clarity and polish. Lab grown diamonds often have very clear cuts and polish. Inclusions (tiny natural marks) in lab grown diamonds are different from those in natural diamonds. Experts can tell these apart.

Using a Diamond Tester

A diamond tester checks how well the stone conducts heat or electricity. Lab grown diamonds usually test positive because they conduct heat like natural diamonds. But some fakes like moissanite may also test positive, so use this test along with others.

Advanced Testing Methods

• UV fluorescence: Some lab grown and natural diamonds react differently to UV light.

• Spectroscopy tests: Professionals use special machines like diamond spectrometers to identify stones accurately.
  For example, a jeweler once found a fake lab grown diamond necklace by using a diamond spectrometer. The machine showed that the stone was not a diamond at all.

Tips for Smart Buying

Choose Reputable Sellers

Buy from trusted brands or sellers who are clear about where their diamonds come from. Read reviews and feedback from other buyers to see if the seller is honest. Check if they have a good return and warranty policy before buying.

Understand Certification

Make sure your lab grown diamond necklace has a certificate from labs like GIA, IGI, or HRD. Look carefully at the certificate’s details such as where the diamond came from, its cut, and clarity.

Pricing Strategies

Be careful if the price looks too good to be true. Compare the price with other sellers and the market average. Also, beware of sellers who pressure you to buy quickly. Take your time to decide.

Conclusion

Buying a lab grown diamond necklace is exciting but can be tricky if you don’t know how to spot fakes. Always check for certificates, test the diamond carefully, and buy from sellers you trust. Knowing what to look for helps you save money and avoid problems.

Remember, knowledge is your best tool to buy smart and confident. With the tips in this guide, you can enjoy your beautiful and real lab grown diamond necklace without worry.