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Estate 18K 1.43ct Sapphire Cathedral Ring with Princess Diamond Shoulders

Sale price$2,300.00

Late 90s/early 2000s displayed in a celebration of princess cuts: modern, architectural, nothing like your mother's round brilliants. The oval sapphire sits elevated in a cathedral mount—named for the way Gothic arches support stone ceilings. The traditional colored center stone brings sophistication, the geometric princess diamonds bring the edge. The 6.5 grams of gold means this was built to last, not built to a price point. The surface wear tells you she wore it everywhere. September birthstone, maybe. Anniversary gift, possibly. But definitely loved.

Cathedral height, princess cuts, oval center—the late 90s trifecta.

  • METAL: 18K yellow gold
  • WEIGHT: 6.50 grams
  • HALLMARKS: 18K E
  • SIZE: 6.25 US
  • RESIZING: Cannot be resized due to channel-set shoulders
  • SETTING STYLE: Cathedral mount with channel-set shoulders
Stone Science
  • CENTER STONE: 1.43ct oval blue sapphire (8.08 × 6.09 × 3.28mm)
  • ACCENT STONES: 0.46ctw princess-cut diamonds, channel-set shoulders
  • COLOR/CLARITY: Sapphire - transparent blue; Diamonds - H-I/VS1-VS2
  • TREATMENTS: Heat (standard for sapphires)
  • CERTIFICATION: GIA Report #5232566237, dated May 1, 2025
  • SPECIAL FEATURES: Surface-reaching inclusions noted on report
Era & History
  • ERA: Circa Mid-90’s to early 2000’s
  • AUTHENTICATION: GIA Graduate Gemologist verified
  • CONDITION: Good estate condition
  • DOCUMENTATION: Original GIA certificate included
Condition Notes

The sapphire shows minor surface chips and abrasions—character marks from two decades of actual wear. Surface-reaching fractures documented by GIA, priced accordingly. The mounting remains tight, channels intact, no loose stones. Some interior porosity suggesting possible past sizing.

Estate 18K 1.43ct Sapphire Cathedral Ring with Princess Diamond Shoulders
Estate 18K 1.43ct Sapphire Cathedral Ring with Princess Diamond Shoulders Sale price$2,300.00