How do I secure screw back earrings?

Screw back earrings use a threaded post where the backing nut twists down toward the earlobe. This design allows the wearer to adjust the tightness precisely. Ensure the thread catches smoothly before turning to avoid wearing down the metal over time.

What is the difference between white gold and platinum?

White gold is an alloy of yellow gold mixed with white metals like palladium or nickel to create a pale hue. Platinum is a naturally white, denser precious metal used frequently in antique settings. Platinum retains its colour without plating, whereas white gold may occasionally be rhodium plated to brighten the surface.

How do I care for opal set earrings?

Opals contain natural water content and require gentle handling to prevent drying or cracking. Avoid exposing them to harsh chemicals, ultrasonic cleaners, or sudden temperature changes. Clean them softly with a damp cloth and store them away from direct sunlight.

How can I date an art deco pair?

Art Deco earrings typically feature geometric lines, platinum or 18ct white gold work, and calibré-cut or baguette gemstones. The use of millegrain borders is also characteristic of this period. Construction details like old cut diamonds and specific fastener types help confirm the manufacturing era.