This later estimate was acknowledged by insiders as a "low-ball estimate," however. The sapphire's value was later upped by Rahul Kadakia, senior vice president and head of jewelry at Christie's America, to approximately $1 million.
A later estimate for the sapphire was recognized by industry experts as being on the lower side, but it was subsequently revised upward by Rahul Kadakia, senior vice president and head of jewelry at Christie's America, to a more accurate valuation of around $1 million.