Estate 18K Yellow Gold 1.65ctw Diamond and Blue Sapphire Circle Pin – 1970s

This estate pin is crafted in 18 karat yellow gold and features an elegant open circle design set with a combination of round brilliant diamonds and richly colored blue sapphires totaling approximately 1.65 carats. The diamonds add bright, continuous sparkle around the form, while the sapphires provide depth and contrast, creating a balanced rhythm of light and color. Measuring just over 29 mm in diameter, the pin has a refined presence that feels substantial without being oversized.

Polished and versatile, this piece works beautifully as a classic lapel pin, on a blazer, or styled at the neckline of a dress or scarf. The circular design gives it a timeless feel, while the diamond and sapphire combination adds just enough color to keep it interesting. It’s the kind of piece that quietly elevates an outfit and rewards a closer look.

Circle Pins In Mid-Century And 1970s Jewelry

Circle motifs became especially popular in mid-century and 1970s jewelry, symbolizing continuity, balance, and elegance. Designers often used openwork forms accented with diamonds and colored gemstones to create pieces that felt light yet luxurious. Estate pins from this era remain highly wearable today, offering classic styling with subtle vintage character.