Platinum Engagement Rings

Platinum is one of the rarer precious metals on earth. In fine jewellery, it is typically used at 95 per cent purity (stamped 950 or PT950), with the remaining 5 per cent made up of iridium or ruthenium for workability. That high purity is what makes platinum naturally hypoallergenic, and what gives it its weight, density and characteristic cool white colour.

Platinum is naturally white and cool, very similar in colour to freshly plated white gold but slightly less mirror-like. Worn daily, platinum develops a soft satin patina as the surface picks up microscopic scratches. The metal is not being lost, just pushed aside. Many buyers come to prefer the patina; a polish restores the bright finish whenever you want it.

Platinum is denser and more durable than gold over decades. The key difference is in how it handles scratches: gold scratches lose tiny amounts of metal, while platinum scratches push metal aside without losing it. That is why platinum prongs hold stones more securely across generations. For an engagement ring meant to last a lifetime, the platinum advantage matters most at the prongs.

Engagement rings where the centre stone is meant to last generations, especially with valuable diamonds. Solitaire and pavé settings benefit from platinum because the prongs do not wear down the way gold prongs can. Platinum also suits buyers with sensitive skin, and buyers who want a metal that needs no ongoing rhodium replating.

Clean with warm soapy water and a soft cloth. Ultrasonic and steam cleaners are safe for plain platinum. No plating is ever needed. If you want the bright, freshly polished look back, take the ring to a jeweller once or twice a year for a polish. Many platinum owners eventually stop polishing and live with the patina.

Platinum is 30 to 50 per cent more expensive than white gold for the same setting because the metal is denser (more metal by weight), rarer and harder for a jeweller to work. A platinum engagement ring setting typically costs roughly AUD 800 to AUD 3,000 more than the same setting in 14k white gold. There are no replating costs across decades, so total cost of ownership over a long timeline is closer to white gold than the headline price suggests.