Vintage 14K White Gold Synthetic Star Sapphire Signet Ring — Unisex, Circa 1970s

This vintage piece, cast in solid 14K white gold and dating to circa the 1970s or later, carries that same architecture: a bold, high-polish dome rising from a substantial shank, weighing a full 10.8 grams — the kind of heft that announces itself on the hand rather than asking permission.

Set at its center is an oval cabochon synthetic star sapphire, deep royal blue and eye clean, its six-rayed star drifting across the surface with every tilt of the hand. That optical phenomenon — asterism — occurs when light reflects off needle-like inclusions of rutile arranged along the crystal's internal structure, and it is one of the more theatrical effects in all of gemology. Created corundum reproduces the same crystalline structure as its natural counterpart, and by the mid-20th century, laboratory-grown star sapphires had become genuinely beloved in their own right — prized for delivering a flawless, perfectly centered star with a saturation of color natural stones rarely achieve without treatment. Men's rings set with a bold synthetic star sapphire were a signature look of the era: worn as class rings, signet rings, and statement pieces that traded subtlety for presence.

RING
Material: 14k white gold
Measurements: 14.1 to 4.5 mm / height 6.8 mm
Weight: 10.8 grams
Markings: "14K"
Ring Size: 4.75 (can be sized)
Circa: 1970s or later

SAPPHIRE 
Source: Synthetic
Measurements: 11.6 x 9.6 x 4.19 mm
Cut: Oval cabochon
Color: Deep royal blue
Clarity: Eye clean