Pink Star Diamond: Properties, Benefits & Meanings

Pink Star Diamond

Pink Star Diamond

Pink Star Diamond Overview

The Pink Star, also called the Steinmetz Pink, is a rare diamond that weighs 59.60 carats. It was mined in 1999 by De Beers in South Africa and originally weighed 132.5 carats. The Gemological Institute of America rates it as Fancy Vivid Pink, making it the largest diamond of this color ever found. Steinmetz Diamonds spent 20 months cutting the Pink due to its rarity. The diamond was unveiled in a public ceremony in Monaco on 29 May 2003.

Pink Star diamond is twice as big as the Graff Pink, previously the most expensive pink diamond when it sold for $46.2 million in 2010. However, after being showcased worldwide, the Pink Star Diamond was sold at auction in 2017 for a record-breaking $71.2 million, making it the most expensive diamond ever sold. The buyer was Chow Tai Fook, a Hong Kong-based jewelry retailer.

This article will discuss the properties, benefits, and meanings of the Pink Star Diamond. 

  • Mineral Class: Diamond
  • Wearability: Good
  • Symbols: Wealth, Beauty
  • Color: Fancy Vivid Pink
  • Hardness: 10
  • Birthstone: April

What is Pink Star Diamond?

The Pink Star Diamond, now named CTF Pink Star, is a pink oval-shaped diamond that weighs 59.6 carats. It was discovered in 1999 in the Argyle Mine in Western Australia, known for producing some of the world’s most valuable pink diamonds. The rough diamond weighed 132.5 carats and took over 20 months to cut and polish to perfection. It has a vivid pink color, the highest grade of pink intensity in diamonds. The diamond company that bought it originally named it Steinmetz Pink. This rare and stunning jewel was displayed at the Smithsonian Museum of Natural History in Washington, DC.

In 2017, the Pink Star Diamond was sold at auction for a record-breaking $71.2 million, making it the most expensive diamond ever sold. The Pink Star Diamond has been described as a “miracle of nature” due to its unique color, size, and clarity. Its color is a fancy vivid pink, the highest grade of pink intensity in diamonds. It is also considered flawless, with no visible inclusions or blemishes under 10x magnification.

How Is Pink Star Diamond Formed?

Like all diamonds, the Pink Star Diamond was formed deep within the Earth’s mantle under high pressure and temperature conditions. Diamonds are made of carbon subjected to intense pressure and heat, causing the carbon atoms to bond in a unique crystal structure.

In particular, scientists still need to understand the formation of pink diamonds fully. Still, it is believed that the presence of trace elements, such as nitrogen or hydrogen, may be responsible for the diamond’s pink color. Pink diamonds are incredibly rare, accounting for less than 0.1% of all diamonds mined, and are mainly found in the Argyle Mine in Western Australia, where the Pink Star Diamond was discovered.

Physical Properties

Mineral GroupDiamond
Formula C (carbon)
Chemical Name: Carbonado or crystallized carbon
ColorFancy Vivid Pink
Hardness (Mohs scale)10
Refractive Index2.42
Specific Gravity3.52-3.56
Table of Physical Properties


The Pink Star Diamond gets its name from its unique pink color and the fact that it is considered one of the world’s brightest and most stunning diamonds.

Where Is Pink Star Diamond Found?

The Pink Star Diamond was discovered in the Argyle Mine in the East Kimberley region of Western Australia. The Argyle Mine is one of the world’s largest producers of natural-colored diamonds. It is renowned for its high-quality pink diamonds. 

The Argyle Diamond Mine in Western Australia has discovered 80 to 90% of the world’s pink diamonds. Unfortunately, the mine closed in 2020 due to a lack of profitable diamonds. As a result, pink diamonds have become even rarer and more valuable since the world no longer has its primary source.

Pink Star
Pink Diamond Ring

Pink Star Diamond Appearance

The Pink Star Diamond is an exceptional gemstone with a stunning appearance that sets it apart from all other diamonds. It has a fancy vivid pink color, the highest color grade for pink diamonds, and is exceptionally rare. The diamond’s unique color results from “plastic deformation,” which occurs during the diamond’s formation. This process causes the crystal lattice to distort and absorb different wavelengths of light, resulting in the diamond’s pink hue.

It is an oval-shaped diamond that weighs 59.6 carats and measures 2.69 x 2.06 x 1.26 centimeters. It has an excellent clarity grade of internally flawless (IF), which means it has no visible inclusions or blemishes. The diamond’s cut is also exceptional, with 57 facets that allow it to reflect and refract light to maximize its brilliance and fire. 

Types of Pink Star Diamond

The Pink Star Diamond is a single gemstone; no other diamonds with this name exist worldwide. However, in general, pink diamonds come in a range of shades and intensities, and several classifications are used to describe them. The Gemological Institute of America (GIA) uses the following color grades to classify pink diamonds:

  1. Faint Pink
  2. Very Light Pink
  3. Light Pink
  4. Fancy Light Pink
  5. Fancy Pink
  6. Fancy Intense Pink
  7. Fancy Vivid Pink
  8. Fancy Deep Pink
  9. Fancy Dark Pink

The Pink Star Diamond is classified as a Fancy Vivid Pink diamond, which is the highest grade for pink diamonds and is reserved for stones with a vivid, intense, and even distribution of pink color.

CTF Pink Star
Pink Diamond Jewelry

Pink Star Diamond Value and Price

The Pink Star Diamond is one of the world’s rarest and most valuable diamonds. Its value is difficult to estimate because of its uniqueness and rarity. However, in 2017, the diamond sold for a record-breaking $71.2 million at a Sotheby’s auction in Hong Kong, making it the most expensive diamond ever sold at auction. The buyer was Hong Kong-based jeweler Chow Tai Fook, and the diamond was renamed the “CTF Pink Star” in honor of the company.

The price per carat for pink diamonds can vary widely depending on the stone’s color, clarity, and intensity. However, as a general rule, pink diamonds are more valuable than white diamonds, and the price per carat increases exponentially as the intensity of the pink color increases. Fancy Vivid Pink diamonds, like the Pink Star Diamond, are incredibly rare and can command prices of millions of dollars per carat.

How Can You Tell If A Pink Star Diamond Is Real? 

The Pink Star Diamond is a unique and famous gem. It weighs 59.6 carats and is oval-shaped. It is the only diamond with this name in the world. Steinmetz Diamonds spent 20 months cutting this rare gem and have provided authentication for its authenticity.

In general, several tests can be performed to verify the authenticity of a Pink or any diamond. Some of these tests include:

  1. Visual Inspection: A visual inspection can help identify some characteristics of a diamond, such as its color, clarity, and inclusions. 
  1. Weight Test: Diamonds are denser than similar-looking gemstones, and their weight can prove their authenticity. 
  1. Refractive Index Test: A refractometer can be used to measure the refractive index of a diamond, which can help determine its authenticity.
  1. Thermal Conductivity Test: A diamond tester can be used to test the thermal conductivity of a diamond, which can help determine if it is real or not.
  1. UV Fluorescence Test: A UV lamp can detect this fluorescence, which can help identify a diamond.
  1. X-Ray Fluorescence Test: XRF testing can identify the chemical elements present in a diamond, which can help determine its authenticity.

What Does Pink Star Diamond Symbolize?

Pink Star Diamond is a symbol of wealth, luxury, and beauty. It is a highly coveted gemstone associated with royalty, glamor, and power. Pink diamonds, in general, are considered a symbol of love, passion, and romance.

Pink Diamonds are believed to possess spiritual properties that can enhance one’s sense of inner peace, creativity, and self-confidence. In addition, it is believed to have a calming effect on the mind and emotions, helping to reduce stress and anxiety. 

Regarding chakra healing, Pink Diamonds are associated with the heart chakra. The heart chakra governs our ability to love, connect, and relate to others. It is also linked to our sense of compassion, empathy, and forgiveness. 

CTF Pink Star Jewelry
Beautiful Pink Diamond Ring

Uses of Pink Star Diamond

The Pink Star is the only diamond in the world with that name. There are no other diamonds in the world named Pink Star.

The Pink Diamonds can generally be used in jewelry or as collector’s items. However, diamonds can also be used in research and scientific studies, as their unique properties and composition can provide valuable insights into the formation and evolution of diamonds.

Additionally, it is an investment opportunity for those looking to diversify their portfolio and potentially profit from its increasing value over time. Pink or other diamonds have many uses and are prized for their beauty, rarity, and scientific value.

Which Gemstones Go Best With Pink Star Diamond?

Pink Star Diamond is a beautiful and rare gemstone that pairs well with various other gems, particularly those that complement its pink color and enhance its beauty. 

Some gemstones that go best with Pink Star include white diamonds, rubies, sapphires, emeralds, and morganite. The key is to choose gemstones that complement the pink color of the Pink Star Diamond and enhance its beauty.

Steinmetz Pink
Pink Diamond

How To Take Care Of Pink Star Diamond Jewelry?

Caring for Pink Star Diamond jewelry is important to maintain its beauty and value over time. Here are some tips to help you care for your Pink Star jewelry:

  1. Proper Storage: Store it in a pouch or a jewelry box to protect it from scratches and damage. Avoid placing it with other jewelry that could scratch or damage it.
  1. Clean your jewelry regularly: Clean your jewelry regularly with a soft-bristled brush, warm water, and mild soap. Avoid chemicals that could damage the diamond or the metal setting.
  1. Remove your jewelry during activities: Avoid wearing your Pink Star Diamond jewelry during sports, swimming, or cleaning, as this can damage the diamond or the metal setting.
  1. Avoid exposing your jewelry to extreme temperatures: Avoid exposing your jewelry to extreme temperatures, as this can cause the diamond to crack or become damaged.
  1. Have your jewelry professionally cleaned and inspected: Have your jewelry cleaned and inspected by a jeweler every 6-12 months. This will help ensure that your jewelry is in good condition and that the diamond is secure in the metal setting.

With proper care and maintenance, your jewelry will continue to shine for years.


How rare is the Pink Star diamond?

De Beers mined the Pink Star in 1999 in South Africa, weighing 132.5 carats in the rough. The Pink Star is the largest diamond-rated Vivid Pink, making it exceptionally rare. Steinmetz Diamonds, the Beny Steinmetz Group, took 20 months to cut the Pink due to its rarity.

How many Pink Star diamonds are in the world?

Pink diamonds are extremely rare. There exists only a single Pink Star Diamond in the entire world.

Can Pink Star Diamond be used for investment purposes?

Pink Star Diamond can be a good investment option. However, doing proper research and working with a reputable dealer or investment firm is important.

How much is Pink Star Diamond worth? 

Pink Star Diamond is one of the most expensive diamonds in the world, and its value is estimated to be around $71.2 million.

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