Quality pearl sapphire emerald ruby jewelry really refers to a combination of the various gems and pearls in a jewelry piece.
Such a piece or pieces with a selection of gem stones as well as pearls are probably a little harder to find than the usually pearl jewelry.
However, with a little determination such delightful pieces of jewelry can be found.
Probably the best place to look is online and at various auctions. Most of this type of jewelry is old, almost antique, so you can often find pieces at deceased estates auctions.
Online of course one needs to do some due diligence to ensure that you are not going to buy from a scam or dishonest person. Simple things such as noting if the seller has a fixed address and contactable phone number. Do they have a returns policy so you can get your money back if the piece is not as described. Also paying by credit card so that, in the event you do get scammed, you can retrieve your funds easily.
Also checking that the gemstones, rubies, emeralds, sapphires etc, are genuine and of good quality. Ensuring that a certificate of appraisal from an independent laboratory accompanies the jewelry piece is a wise move.
Also having the piece valued as, usually, a jewelry piece that contains several different types of gemstones and pearls, is likely to be an expensive piece.
So quality pearl sapphire emerald ruby jewelry is available and, with some patience and common sense you can likely get a wonderful piece of gemstone and pearl jewelry that will give many years of pleasure.