Natural Zambian emerald of 5.06 carats, emerald (octagonal) cut, in a vivid green colour certified "Vivid Green" by the AIG laboratory. A stone of significant size — over 5 carats — whose oiling is graded as minor on the certificate.
📜 Certificate
This emerald is accompanied by its AIG (American International GemLab) certificate no. GEM20251201153450, dated 1 December 2025, attesting:
a natural emerald
origin: Zambia
colour: vivid green ("Vivid Green")
weight: 5.06 carats
dimensions: 10.36 × 9.84 × 6.22 mm
treatment: minor oiling — CEE(O) MINOR notation
💧 Minor oiling
Almost all emeralds on the market are oiled to improve their transparency. Oiling graded as minor corresponds to a very limited intervention, a traditional practice accepted in the emerald trade — a level of treatment uncommon at this size, which reinforces the stone's value.
💎 Significance and positioning
Zambian emeralds are renowned for their deep, slightly bluish green and their fine crystallinity. With a weight of 5.06 carats, a colour certified vivid green and minor oiling attested by the laboratory, this stone combines the criteria that define rarity on the market. The well-proportioned emerald cut (10.36 × 9.84 mm) offers a generous face while preserving the depth of the colour.
💍 Use in jewellery
This emerald is suited to:
Settings in yellow gold, white gold or platinum are traditionally favoured to enhance the green hue while offering adequate protection to this gem, which is naturally sensitive to knocks.
