4.12 Ct. Greenish Blue Sapphire

This extraordinary cushion shape greenish blue sapphire, weighing 4.12 carats and measuring 9.64 by 8.27 by 5.55 millimeters, is an invitation to join a select few who appreciate truly rare, natural gemstones. Faceted with a mixed brilliant cut and finished to an excellent polish, this transparent gem displays an intense color intensity that shifts between deep teal and oceanic blue as it catches the light, a visual signature that only the most carefully cut sapphires possess. Eye clean at face-up inspection, the stone presents an uncluttered window into its depths, allowing every facet to perform and return fire with precise scintillation. No enhancement has been applied, which makes this piece particularly special in today’s market, where untreated sapphires of this weight and clarity are scarce. At The Natural Sapphire Company we present this sapphire as a truly singular offering, ideal for a bespoke engagement ring or a one-of-a-kind pendant, each setting elevating its presence while preserving the gem’s inherent purity.

The origin of this sapphire is recorded as unknown, a detail that only deepens its mystique and exclusivity. Without a defined mine or region tied to its provenance, this gemstone carries a rare, almost storied quality, as if it were reclaimed from the hidden chapters of the earth rather than a mapped supply chain. For connoisseurs who prize singularity, an unknown-origin, unenhanced sapphire becomes a conversation piece and a collector’s treasure, its provenance a private story shaped by its new owner. When you choose this sapphire from The Natural Sapphire Company you are acquiring more than a jewel, you are gaining membership in an exclusive circle of collectors and wearers who value rarity, natural beauty, and impeccable craftsmanship. Our gemologists can advise on settings that maximize the mixed brilliant cut’s brilliance and the gem’s deep greenish-blue hues, ensuring that this limited and extraordinary stone becomes a personal heirloom that stands apart for its authenticity and remarkable character.