Understanding Diamond Carat
Let’s confidently explore what the carat truly signifies, how it is determined, and its immense importance in the diamond industry, particularly when making informed purchasing decisions.
Our Diamond Education Blog is your trusted resource for learning about diamonds and making confident, informed choices. Whether you’re selecting a stunning engagement ring or simply curious about the 4Cs – cut, colour, clarity, and carat – our blog breaks down what you need to know.
Explore expert insights on natural vs lab-grown diamonds, diamond grading, ethical sourcing, and what makes a truly brilliant stone. We’re here to simplify the technical side of diamonds and share valuable tips from our experienced team. Discover the sparkle behind the science and start your diamond journey with confidence.

Let’s confidently explore what the carat truly signifies, how it is determined, and its immense importance in the diamond industry, particularly when making informed purchasing decisions.
At Polished Diamonds, we pride ourselves on transparency, quality, and honest advice. We break down the facts about lab-grown vs natural diamonds, dispel common myths, and share everything you need to know before you buy.
Playing games and having gimmicks is a time-honoured jewellery store tradition, dating back as long as gold has existed. We’ve decided that enough is enough and are now going to break the code.
Our guide on how to clean your diamond ring to remove dirt that can cause your gemstone to lose its sparkling appeal. Read our cleaning tips.
The rarest and sought-after diamonds are colourless and demand the highest price. So, how do we colour-grade a diamond? The Gemological Institute of America, the world’s largest and most trusted diamond grading facility, invented the diamond colour grading scale.
Natural pink diamonds aren’t very common; they only account for about 1% of the total production of diamonds in the world. Pink diamonds are 100% natural when the rough stone is found, and they have a pinkish hue.
Choosing a diamond is an exciting and meaningful decision. Whether you’re searching for an engagement ring, a timeless gift, or a personal investment, understanding what makes a diamond truly exceptional is essential.
When choosing a diamond, whether for an engagement ring or a special occasion, it’s important to consider not just the beauty of the stone but its origin. Ethically mined diamonds have become increasingly sought after by conscious consumers.
The characteristics of a diamond are usually determined by having the diamond sent to a gemological laboratory for independent grading. The quality and integrity of these diamond laboratories are therefore very important.
Faceting and shaping diamonds require a lot of knowledge, skill, equipment, and technique to complete correctly. The diamond-cutting process consists of five steps: Planning, Cleaving, Bruting, Polishing, and Final Inspection.
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