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Maison Auréole Haute horlogerie & haute joaillerie, one atelier

Cabinet des Gemmes

Bague Nocturne Étoilée Solitaire

8.40 ct D-flawless Type IIa emerald-cut solitaire in 950 platinum

REF. HJ-8812/PL

$680,000 USD

Unique piece — private vault viewing

Enquire at a salon
  • Type IIa diamonds are under 2% of gem-quality diamonds mined
  • Four-claw platinum prongs with a concealed inner pavé gallery
  • Comes with a hand-carved presentation case

Narrative

Type IIa diamonds are chemically pure — essentially no measurable nitrogen, which is what gives them their exceptional transparency. It is a real, lab-measurable classification, not a marketing grade invented for this stone.

Provenance

Paris workshop, historic re-cut

Master artisan

Master Diamond Setter Antoine R.

Certification & audit

  • Cabinet Vendôme diamond dossier (D-flawless, Type IIa)

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