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.
View Our
95C Ponsonby Road,
Grey Lynn
Auckland 1011
0800-233-299
auckland@polisheddiamonds.co.nz
42 Lady Elizabeth Lane,
Waterfront – CBD
Wellington 6011
0800-233-299
wellington@polisheddiamonds.co.nz
30 New Regent Street,
Christchurch CBD,
Christchurch 8011
0800-233-299
christchurch@polisheddiamonds.co.nz
Copyright © 2025 Polished Diamonds.