A pink diamond stone, depending on its clarity and depth of colour, will generally fetch a higher price than a similarly clear and colourless stone.
A pink diamond is more rare than a colourless diamond, and thus will be more expensive, eventhough the planning, cutting and polishing process is the same for both raw diamond stones..
You're correct in choosing Australia as a category for this question, because in modern times, it is the mining site for most pink diamonds. Perhaps the best known, and certainly a spectacular stone, is the pink diamond named the Darya - ye - Noor. Read more about this stone, below.
Yes, despite its use in the titles of most of the films of the series, the "Pink Panther" is not the Clouseau character, but a large and valuable fictitious diamond of the same name which is the "MacGuffin" of the first film in the series. The phrase reappears in the title of the fourth film, The Return of the Pink Panther, in which the theft of the diamond is again the center of the plot.
If you found such a stone, you could probably sell it for whatever amount you want. You can follow the link, below, and find the largest pink diamond currently available for sale commercially. You may be able to buy a larger pink diamond at an auction. Currently, the largest pink diamond to change hands at an auction is the Graff Pink, weighing 24.78 carats, rated as a Fancy Intense Pink, which sold in 2010 for US$46,000,000. You can learn more about it, below.
A diamond is valued by its cut, clarity, carat weight and colour. A local jeweler can look at your stone and give you an estimate. A pink diamond, because of its rarity, is worth more than a similar 'colourless' diamond. As well, you can pay a certified gemologist to document your diamond, and give you a better idea of its value.
'Rare' used to describe a natural diamond describes many diamonds. Red is generally acknowledged as the most rare natural colour in diamonds. Then, the Moussaieff Red, could be called the world's rarest diamond. You can read more about this stone, below.
Actually, you don't make a diamond pink, but Mother Nature does. Pink diamonds are usually caused by the distortion experienced by the stone during formation deep within the earth's mantle, and eventual eruption to the earth's surface.
Given the same carat weight, clarity and cut, you will pay more for a pink diamond than for a 'white' or colourless diamond.
The pink diamond is called the Pink Star, which is one of the world's most valuable and famous pink diamonds. It is known for its exceptional quality and size, making it a highly coveted and sought-after gemstone.
Your answer depends on the clarity and the cut of the stone, in addition to the attribution of the colour. If the colour is natural, it will be worth more than if the diamond has been treated. A local gemologist can give you the information you want when you pay for a certificate for this particular diamond. You can follow the link below, to learn more about the diamond's colour, which from your description appears to be its highlight.
Generally, diamond colours are shades of yellow, blue, pink, green, or amber. Orange, chocolate and black are also colours of a diamond stone.
The term 'pink diamond' is adequate, unless you're a gemologist and want to define the saturation level of pink, the shade of pink and so forth. You can learn more about the additional vocabulary for describing coloured diamonds, below.
Yes, when testing for a diamond, the test determines whether or not the stone conducts heat -- regardless of the colour of the stone.