Monica Vinader Baja Precious ring - 18 karat gold vermeil - Emerald - This piece has been certified in accordance with the Hallmarking Act 1973 -Launched in 2002, Spanish jewelry designer Monica Vinader draws inspiration from global travel to create her covetable line of accessories. Lift your look with semi-precious earrings, tiger's eye cocktail rings and dazzling pendant necklaces.