What defines an art deco square ring?

The defining characteristic lies in the geometric silhouette formed by the central setting or cluster arrangement. Square panels, square step cuts, and rectilinear stone groupings create the distinct architectural look. These pieces emerged primarily during the interwar decades, relying on platinum and gold to frame diamonds, sapphires, rubies, and emeralds in symmetrical patterns.

How do I wear and care for platinum settings?

Platinum offers high durability for daily wear, making it suitable for regular engagement ring use. The metal develops a soft patina over time which many collectors prefer. Cleaning requires warm soapy water and a soft brush to remove debris from beneath square clusters and intricate gallery work. Avoid harsh chemical dips that might affect softer coloured stones.

What is the difference between a cluster and a solitaire?

A solitaire focuses attention on one single gemstone, such as an old cut diamond or an unheated sapphire. The square effect is achieved through the shape of the bezel or shoulders. A cluster ring combines a central stone with multiple surrounding gems to form a larger geometric square or lozenge shape on the hand.

How can I tell the period from the materials?

Platinum dominates the mounting work of the nineteen-twenties and nineteen-thirties, often combined with eighteen-carat gold shanks. The use of platinum allowed workshops to create flat, geometric planes without excess bulk. Later mid-century pieces often incorporate white gold or standard yellow gold alongside certified stones, reflecting shifting metal supplies and manufacturing methods.