1. The rose gold ring is inlaid with a cushion-cut purple topaz, which is dotted with diamonds and pink topaz.

2. The platinum ring is inlaid with a cushion-cut green topaz and dotted with diamonds and blue topaz.

3. Rose gold earrings are inlaid with oval-cut purple topaz and orange topaz, embellished with small diamonds. Aria is a brand-new jewelry series launched by Italian jeweler StefanHafner. It uses as many as five different colors of topaz, and the gems of each work are inlaid with two contrasting topaz, such as orange, purple and blue-green, to create a garden-like visual effect.