Diamond Barrier BandOur unique Barrier band showcases seven graduated white Canadian diamonds, set across the front of an organic Fairmined 14k gold band. A modern take on a classic diamond encrusted band, it is sweet by itself and holds its own when stacked with your other favorites or with an engagement ring. Check out the champagne diamond version of the Diamond Barrier Band for more options. Sizes & Options 0. 14tcw, 3. 5mm at widest. Available in 14k yellow gold.