Ametrine Botanical Engagement Ring — Alternative 14K Gold Ring with 12 × 10 mm AmetrineMetal shown: 14K Yellow Gold Stone: 12 10 mm Ametrine Production: Made to order, 812 weeks For the bride who was never looking for the obvious ring. The Ametrine Botanical Engagement Ring is an alternative engagement ring for someone drawn to colour, symbolism, and story. At the center is a 12 10 mm ametrine, a stone where violet and golden tones meet naturally in one gem. It does not look like everyone elses ring. That is the point. The center stone