Semi-Black Opal and Diamond Conversion Ring of 14k & 10k Gold

An elegant ring created from a stickpin (circa 1900), featuring a captivating semi-black crystal opal (likely Lightning Ridge) with bright non0directional blue/green mosaic flagstone play of color with violet accents surrounded by a halo of 16 old European cut diamonds. The face of the ring is mounted in 14k gold, while the ring gallery and shank are 10k gold.

The ring face measures approximately 0.55 inches by 0.45 inches and weighs 3.37 grams. The ring is currently a size 6 but can be professionally resized for an additional charge. It remains in great antique condition.

Gemstone identification has been confirmed using Raman spectroscopy, a non-destructive analytical technique that provides a precise chemical fingerprint to verify authenticity.

Metal authenticity has been professionally verified using XRF (X-ray fluorescence) analysis and traditional jeweler’s acid testing, confirming the 10k and 14K gold construction.

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