ONE of ONE · 0.53 ct Natural Blue Sapphire (Cushion)

A singular stone, chosen for a singular life.

Long before wealth became numbers on a screen, it was held in color, gold, and stone—the materials of crowns, vows, and dynasties. This natural gem is offered exactly as shown, never repeated.

360° stone view: the video and first image show this exact gemstone.

Provenance & Character

• Natural Blue Sapphire; Cushion Faceted cut
• Weight: 0.53 ct (0.106 grams); face-up size: 4.52 x 4.51 mm; depth: 3.15 mm
• Clarity character: Eye-Clean
• Country of origin: United States, Montana (Known Origin)
• Treatment: AGTA treatment code H (Heating)
• Grading report: None

Make It Yours

Add this gemstone to your cart, then choose a compatible cushion ring mounting or cushion pendant mounting. Each path reveals the metals and proportions that best honor the stone.

Ring sizes 4–12 are available in half-size increments. Metals include 14K yellow, white, and rose gold, platinum, and sterling silver. Each setting is custom-fitted around this stone’s exact dimensions.

An Earthborne jeweler reviews the pairing before the work begins. Final setting details, chain choices, and personal design requests are confirmed with you. Only one of this stone is available.