How to Tell Diamond from Moissanite?
If you are in the market for a diamond or moissanite, it is important to know how to tell the difference between the two. Here are some tips to help you distinguish between a diamond and moissanite:
**1. Check the Refractive Index:** One of the easiest ways to differentiate between a diamond and moissanite is by checking the refractive index. Diamonds have a higher refractive index compared to moissanite, which means they sparkle more.
**2. Test the Hardness:** Diamonds are the hardest natural substance on earth, scoring a perfect 10 on the Mohs scale of mineral hardness. Moissanite, on the other hand, ranks slightly lower at 9.25. You can use this difference in hardness to distinguish between the two.
**3. Look for Double Refraction:** Moissanite exhibits double refraction, meaning it will show doubling of facets when viewed under a microscope. Diamonds do not display this characteristic, so if you see doubling in the stone, it is likely moissanite.
**4. Check the Weight:** Diamonds are heavier than moissanite. You can compare the weight of the stone in question with a known diamond to see if they match up.
**5. Conduct a Heat Test:** Moissanite is known to absorb heat more rapidly than diamonds. You can breathe on the stone or touch it to see if it fogs up quickly, which would indicate it is moissanite.
**6. Inspect for Flaws:** Diamonds often have imperfections that are visible under magnification, whereas moissanite is usually flawless. Look for these imperfections to help determine the authenticity of the stone.
**7. Use a Diamond Tester:** One of the most foolproof ways to tell a diamond from moissanite is by using a diamond tester. These devices are specifically designed to detect the thermal conductivity of diamonds, making it easy to differentiate between the two.
**8. Check for Color:** Diamonds often have a slight yellow tint, while moissanite is colorless. By comparing the color of the stone to a known diamond, you can determine if it is genuine.
**9. Evaluate the Cost:** Diamonds are typically more expensive than moissanite due to their rarity. If the price seems too good to be true, it might be because the stone is actually moissanite.
**10. Seek Professional Help:** If you are still unsure about the authenticity of a diamond or moissanite, it is best to seek the expertise of a professional jeweler. They have the tools and knowledge to accurately identify the stone.
**11. Consider the Sparkle:** Diamonds have a unique sparkle known as “fire,” while moissanite tends to have more of a “rainbow” sparkle. By observing the type of sparkle, you can make an educated guess about the stone’s identity.
**12. Ask for Certification:** Diamonds are often accompanied by a certificate of authenticity from a reputable gemological laboratory, such as the GIA or AGS. If the stone comes with certification, it can help verify its identity.
In conclusion, there are several ways to tell a diamond from moissanite, ranging from simple observations to sophisticated tests. By utilizing these tips and tricks, you can make an informed decision when shopping for a precious gemstone.