Natural untreated cuprian elbaite tourmaline (also known as “paraiba" tourmaline, due to color) from Mozambique. The stone measures about 6x4mm and weighs .61ct. There are 2 natural clean diamonds totaling .06ctw.
The ring is a thinner piece. It's a size 7.5, solid 14k gold and weighs 2g.
A word of caution... There are many people on Etsy and elsewhere on the web selling their material as "paraiba tourmaline", when in fact it's simple elbaite tourmaline that is similar in color, or simulated lab material. True Paraiba tourmaline comes from Brazil, but it's accepted in the trade to refer to copper bearing tourmaline from Mozambique and Nigeria as "paraiba" as well.
