A bold and refined Art Deco ring in platinum, defined by strong geometric form and precise early 20th-century craftsmanship. The square stepped design measures 13 × 13 mm, creating a striking, architectural presence on the hand.
 
The center is set with a blue French cut sapphire, surrounded by 8 Old European Cut diamonds totaling approx. 0.40 ct. An outer frame of 24 blue French cut sapphires enhances the crisp Art Deco contrast. Finished with a finely handcrafted openwork ajouré gallery and marked PLAT inside the band.
 
Specifications:
Period: Art Deco, ca. 1920s–1930s
Metal: Platinum (approx. 900), marked PLAT
Diamonds: 8 Old European Cut, approx. 0.40 ct total
Sapphires: 25 French cut (center & accents), blue, man-made
Ring Head Size: 13 × 13 mm
Weight: 2.6 g