An herbal remedy with a rich history in folk medicine, periwinkle is the common name for a pair of perennial flowering shrubs belonging to the dogbane (Apocynaceae) family. The herb has been used for centuries to treat a variety of ailments and was a favorite ingredient of magical charms in the Middle Ages.recautions. Periwinkle is not known to be harmful when taken in recommended dosages, though it is important to remember that the long-term effects of taking the herb (in any amount) have not been investigated. Periwinkle should not be used by people with low blood pressure or constipation.
The average diamond size for an engagement ring in 2016 is 0.9 carat! Yes, the average carat weight of an engagement ring diamond is 0.9ct!
And looking at a roundup of other celebrity engagement rings from Glamour, it looks like Meghan's ring is probably between three and five carats, which range from around fifty thousand to north of a hundred thousand. So Meghan's ring is probably worth something in that range.