Large Blue Aquamarine. Oval Cabochon Cut. 13.40 ct.

Large 13.40 ct oval‑cabochon Aquamarine in elegant blue‑green, unheated—ideal statement gem for white‑gold or silver jewellery.

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Sale price $453.00Regular price
Regular price $453.00
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Gemstone Description
Exceptional unheated Aquamarine weighing 13.40 ct, shaped into a generous oval cabochon that accentuates its tranquil blue hue lightly tinged with green (colour grade 21 vslgB). Medium‑light tone and low saturation give the stone a soft, misty glow, while gentle doming produces a rolling “pool‑of‑light” effect across its surface. Although moderate oriented fractures can be seen under 40 × magnification, they do not disturb face‑up beauty and confirm natural origin. With dimensions of 17.84 × 12.89 mm, this sizeable cabochon commands attention yet remains wearable, making it perfect for a bold pendant or upscale cocktail ring. Untreated and durable (Mohs 7.5–8), it offers remarkable value for designers and collectors seeking an authentic, sizeable blue gem that is far more impressive in person than photographs suggest.
Specifications
Weight: 13.40 ct
Size: 17.84 × 12.89 × 8.73 mm
Shape: Cabochon oval
Colour: 21 (vslgB) very slightly greenish Blue
Tone: 4 Medium light
Saturation: 2 Slightly brownish/greyish
Clarity grade: Moderate
Cut grade: Good
Treatment: None
Hardness: 7.5 – 8 (Mohs)
Inclusion type: Oriented fractures (parallel & perpendicular lines)
Birthstone
Aquamarine is the birthstone for March and the traditional gift for a 19th wedding anniversary. Since antiquity it has been intertwined with the sea: sailors carried aquamarine amulets, convinced the gems calmed Poseidon’s wrath and ensured safe passage. Over centuries aquamarines were also prized as antidotes to poison, sought as oracle stones and worn as healing talismans—legacies that still imbue the gem with oceanic mystique and symbolic protection today.
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