6.40ct Cushion Sapphire Diamond Ring — GIA Certified, Platinum

A striking color-change sapphire from the mid-century era—soft violet deepening to purple as light shifts—paired with delicate diamond accents in platinum.

Stone Specs

• Sapphire: 6.40ct, cushion cut, natural, no heat, no enhancement
• Color: Violet to purple (color-changing)
• Diamonds: 18 round brilliant, G–H color, VS clarity, ~0.27ct total
• Measurements: 13.0mm width × 9.0mm height (top); 2.5mm width (band)

Setting Specs

• Metal: Platinum (PT900)
• Weight: 9.4 grams
• Size: 5.5 (sizable)
• Era: Circa 1950–1960

Trust & Details

• GIA Certified: Report #2325946015
• Condition: Pre-owned estate, excellent condition
• Includes: Original GIA report

Retail $56,376 → Our price $10,995 (82% below retail)

Own a certified vintage sapphire with documented provenance. Secure checkout, free insured shipping.