Victorian Non-Heated Natural Pearl Sapphire Diamond Silver Gold Earrings. Exquisite Victorian pendant earrings, all original. Each earring is backed in 15 karat gold, topped in silver and centers ...sapphire surrounded by old mine-cut, old European-cut, single-cut, cushion-cut and rose-cut diamonds. Suspended from the bottom, a NATURAL pearl (with GIA certificate) in a diamond-set cap, earrings completed by a wire back. Sapphires weigh 3.65 and 3.75 carats.