Alternating Ruby Diamond Slim Eternity RingThe Alternating Ruby Diamond Slim Eternity Ring features alternating round diamonds and rubies, in a slim and timeless design. Precious Yellow Gold: This Alternating Ruby Diamond Slim Eternity Ring is handmade in 18ct yellow gold, making it the perfect backdrop for the rich tones of the gemstones. Alternating Gemstones: The slim band, measuring only 2. 5mm in width, is set with alternating round diamonds and rubies.