Welcome to the Polished Diamonds Blog, your destination for expert insights, inspiration, and practical advice on all things fine jewellery. As an award-winning New Zealand manufacturing jeweller, we’re proud to share our knowledge on a wide range of topics, including diamond jewellery, coloured gemstones, wedding planning, engagement ring design, and jewellery care.
Whether you’re choosing a sapphire for a bespoke ring, learning about diamond grading, or seeking tips for the perfect engagement ring, our blog offers trusted guidance to help you make confident, informed decisions. Explore the latest articles and discover what makes Polished Diamonds a leading name in precision-crafted jewellery.
Pink diamonds are among the world’s rarest coloured diamonds. Learn what creates their distinctive colour, how natural and Argyle pink diamonds are graded, how lab-grown pink diamonds compare, and what to consider when choosing a pink diamond engagement ring in New Zealand.
Learn how to choose the right diamond by balancing cut, colour, clarity, carat weight, shape and price. Our New Zealand diamond buying guide explains what really affects appearance, where to spend your budget, and how to compare natural and lab-grown diamonds.
What makes a diamond ethically sourced? Learn about conflict-free natural diamonds, the Kimberley Process, lab-grown diamonds, certification and what New Zealand buyers should ask before choosing a diamond.
Discover how Polished Diamonds uses precision 3D ring scanning and CAD technology to create matching wedding, eternity and anniversary rings around an existing engagement ring.
Discover how engagement rings evolved from ancient Roman betrothal rings to royal diamonds, Victorian solitaires, Art Deco designs and today’s custom diamond engagement rings.
Discover how rough diamonds are transformed into polished gemstones. We explain the diamond cutting process from planning and sawing through to faceting, polishing and final inspection, plus why cut quality has such a major effect on sparkle and beauty.
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