A diamond brooch, circa 1930 and an early 20th century pearl, sapphire and diamond brooch

A diamond brooch, circa 1930 and an early 20th century pearl, sapphire and diamond brooch
1st: Of openwork geometric form, set throughout with single and old brilliant-cut diamonds, mounted in platinum, 2nd: Of openwork foliate design, set throughout with old brilliant-cut diamonds, centrally-set with a cushion-shaped sapphire, with 4.4mm to 5.4mm pearl accents, millegrain detail throughout, mounted in platinum, diamonds approx. 1.50cts total, pearls untested, lengths: 1st 4.2cm, 2nd 4.2cm (2)