Show off your unique style with this exquisite piece

Old European Cut Diamond

Supporting and protecting this precious gemstone is a bold mounting of polished yellow gold

this stunning solitaire is adorned with a high dome of black onyx for a striking contrast

with the gemstone's soft green hues framed to enhance its natural elegance and luminosity

The Franconia Sapphire Halo Semi-Mount Ring Live 07/11/2025 Show off your unique styleMarket Square Jewelers is excited to showcase our new Art Deco Collection, featuring stunning antique inspired designs. Our semi mount collection uses only the highest quality materials to create these unique and truly timeless pieces. These mountings are perfect for antique cut European, old mine cut diamonds, or even lab grown diamonds! You may choose to set your own stone or select from our wide variety of hand picked gemstones. All mountings are