Antique Black Opal Ring of 14k and 18k Gold cartier style The diamond appears to have

The diamond appears to have been an heirloom stone

The drops remain in good antique condition

This vintage 14k gold charm (circa 1950-1960) features a pink sand hourglass

This intriguing ring features a carved black and white agate intaglio depicting the Greek god Poseidon or his Roman counterpart

Antique Black Opal Ring of 14k and 18k Gold cartier style The diamond appears to haveThis extraordinary ring showcases a vibrant 3. 42ct natural black opal, alive with flashes of color that shift beautifully in changing light. The opal is flanked by two natural sapphire accents, their rich hues providing a striking contrast to the opals ethereal play of color. The jewel began its life as an antique brooch (circa 1910), exquisitely crafted in 18k gold, before being thoughtfully reimagined into a ring by our jeweler. The transformation