Bidspirit auction | An amazing natural zircon of

An amazing natural zircon of massive proportions (315 carats!). Beautifully round cut, sky blue in colour, with no inclusions, no fractures, no cloudy deposits, no scratches or other issues. Dimensions: 48 x 48 x 29 mm, with a presentation, gold plated base, and certificate. NB: Natural zircon (not to be confused with lab created cubic zirconia) is the oldest mineral on earth with an age of 4.4 billion years (approximately)