The Portfino Ring - Vintage Solid 10K Yellow Gold set with Natural Green Amethyst Prasiolite

There are certain colors that instantly evoke a place. The luminous pale green of this stone calls to mind the water along the Ligurian coast—clear, radiant, and endlessly shifting with the light.

The Portofino Ring captures that feeling: a quiet moment beside a harbor where sunlight dances across the sea. At its center rests a large natural prasiolite (green amethyst), cut in a graceful oval and held within a sculptural vintage setting of solid 10K yellow gold.

The stone glows with a soft, crystalline green—like Mediterranean water seen from a sunlit terrace in the early morning, where the sea deepens and brightens with every passing cloud. The gold setting has a beautifully organic form, almost like flowing waves or folded ribbons of metal gathering around the stone. Its sculpted lines frame the stone while allowing it to remain the focus, lifting the gem toward the light so its facets catch and scatter color with every movement of the hand.

Vintage jewelry always carries a sense of journey within it. One can imagine this ring catching the glow of seaside afternoons or being worn during travels long ago, when destinations like Portofino were the stuff of postcards and summer dreams.

The prasiolite itself feels like a small piece of that coast—clear, bright, and endlessly captivating. Today, the ring remains striking and timeless. The contrast between the soft green stone and warm yellow gold gives it both drama and elegance, making it equally at home as a statement piece or a treasured everyday jewel.

Vintage Solid 10K Yellow Gold

Natural Prasiolite (aka Green Amethyst)

Stamped "10K"

Total Weight: 1.17 grams

Ring Size: 5

Boxes and other display pieces are for photographic purposes only. They are not included with purchase. This piece is vintage and has been previously worn. Light surface wear, patina, or age-related irregularities are normal and part of the character and history of antique jewelry. All items are described and photographed as accurately as possible, but colors and scale may appear differently on screens. Please review photographs and measurements carefully before purchasing. Please review our return policy. Please do not hesitate to reach out if you have any questions.