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4.13 Ct Natural Madagascar Ruby – Unheated & AIG Certified
OverviewUp for sale is an exceptional 4.13-carat natural loose ruby from Madagascar. Featuring a distinct trapezoidal/coffin fancy cut, this gemstone combines a bold silhouette with rich color, making it an ideal candidate for a one-of-a-kind custom ring or collector's piece.
Gemstone Specifications
Gem Type: Natural Ruby
Carat Weight: 4.13 Carats
Dimensions: 10.80 mm x 7.06 mm x 5.59 mm
Color: Deep Red with Strong UV Fluorescence
Clarity: Translucent (features natural silk/graining typical of unheated corundum)
Cut/Shape: Fancy Cut
Origin: Madagascar
Treatment: No Indication of Heat (100% Natural / Unheated)
Completely Untreated: Unheated rubies over 4 carats are exceptionally rare and highly sought after by collectors.
Striking UV Response: Under UV/black light, this ruby exhibits vivid, strong fluorescence.
Custom-Ready Shape: The unique geometric fancy cut provides a striking, modern look perfect for custom jewelry design.
AIG Gemstone Report included with purchase.
Priced well below dealer cost as part of a periodic collection rebalancing—exceptional value for jewelers or collectors.
