"Amethyst Triptych" ring

A charming, colorful ring with very large natural Amethysts in the form of a Triptych. Over 4 carats of Amethyst from Brazil in an emerald cut (4.30 ct) has been beautifully paired here with a noble cluster of two additional Trillion-cut Amethysts (weight 0. 60 ct+ each) Perfectly clean! 
The ring is made of yellow gold of 0.585 fineness.
Ring size ~13.5. It is possible to change the ring size +/- 3 numbers.