Edwardian GIA 5.00 carat sapphire diamond platinum and 18k yellow gold necklace

This exceptional Edwardian necklace is a refined and luminous example of early 20th-century elegance, where delicate design and fine gemstones come together in perfect balance. At its center rests a striking step cut sapphire weighing approximately 5.00 carats, certified by GIA and originating from Australia. The sapphire’s crisp geometry and rich blue tone reflect the Edwardian era’s fascination with symmetry, clarity, and graceful restraint, while its step-cut facets create a calm, mirror-like depth that feels both regal and serene.

Surrounding the sapphire is a beautifully composed arrangement of sixty old mine cut and single cut diamonds totaling approximately 1.20 carats. These antique diamonds shimmer with a soft, romantic glow, their hand-cut facets offering warmth and texture rather than sharp brilliance. Graded I–J in color with SI clarity, the diamonds frame the sapphire with gentle radiance, enhancing its presence without overwhelming the refined design.

Crafted in a classic combination of platinum and 18k yellow gold, the necklace exemplifies traditional Edwardian construction. Platinum allows for fine, delicate diamond settings, while yellow gold adds warmth and structure, creating a harmonious contrast that elevates the overall composition. Measuring 10 inches in length, the necklace sits gracefully at the neckline, offering an intimate yet striking display of antique elegance.

Romantic, rare, and rich in historical character, this necklace is a true heirloom jewel—perfect for collectors and admirers of Edwardian jewelry who appreciate refined craftsmanship, certified gemstones, and timeless sophistication.