Thin Ruby Earrings: The perfect earrings to create a statement. Simple but bold and thin, these are the Thin Ruby earrings. Size & Weight: Outside diameter - 3.4cm / 1.18'' Inside diameter 3cm / 1'' Weight 3.7g / 0.008lb These are featherweight earrings - so light, you'll forget you are wearing them. Composition: Metal: Stainless steel Coating: 14K gold PVD durable, waterproof