Dorsey - HOUGHTON, LAB RED SAPPHIRE PINKY RING, GOLDA miniature version of the Houghton Cocktail Ring, the Houghton Pinky Ring features a 3. 50 carat oval cut red sapphire stone surrounded by a halo of marquis and pear shaped lab grown sapphires or diamonds flanked by baguettes, totaling 2. 70 carats. Custom styles can only be returned for store credit. The Fine Print: Metal: 18k gold coated silver or 14k yellow gold Center stone: Lab grown red sapphire Halo and side stones: Lab grown white sapphire or