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Naturally Colored Diamond Blog

Fancy Colored Diamonds: How Modifiers and Undertones Affect Price

Posted by Tony Cathaway on 11/6/18 1:48 PM

Whether you’re an investor, collector, or diamond enthusiast, you are well aware that the highest contributing factor for a colored diamond’s value is its hue. In this article we will be examining the difference between a color modifier and an undertone, and how the slightest distinction can have a significant effect on price.

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Topics: Things to Know, Colored Diamond Investment

The Graff Pink: Why This Pink Diamond Is Extraordinarily Special

Posted by Tony Cathaway on 10/17/18 8:02 AM

The eponymous Graff Diamonds Company was founded in 1960 by Laurence Graff and soon became known as one of the premier diamond houses of the world. He was principally known only to most rarefied of buyers such as the Sultan of Brunei, Elizabeth Taylor, members of the Royal House of Saud, and an assortment of billionaires. As such, Mr. Graff has held some of the most expensive colored diamonds, such as the Graff Pink.

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Topics: Colored Diamond Investment, pink diamonds, Sotheby's, Graff Pink Diamond

Sotheby’s Hong Kong Magnificent Jewels Highlights: Top 5 Lots

Posted by Tony Cathaway on 10/9/18 9:44 AM

Sotheby’s held their Autumn Magnificent Jewels and Jadeite Sale last week, October 3rd, in Hong Kong. Synonymous with quality and value, the auction house managed to deliver once again by hosting a spectacular selection of rare colored diamonds.



Let's take a look at some of our top picks (and coincidentally, the top 5 most expensive colored diamonds sold.) Without further delay, let’s begin.

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Topics: Colored Diamond News, Colored Diamond Investment, blue diamonds, colored diamonds, Sotheby's

Red Diamonds – Everything You Wanted To Know (Part 1)

Posted by Tony Cathaway on 10/7/18 10:14 AM

It is without a doubt that red diamonds are among the most captivating and magnificent stones ever to be found. Their color is a representation of love, passion, and strength, and is of such immense rarity that only an estimated 30 pure red stones have ever been found.

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Topics: Colored Diamond Investment, red diamonds, colored diamonds

How Naturally Colored Diamonds Are Valued

Posted by Tony Cathaway on 9/25/18 9:08 AM

What determines the value of a diamond? As is true with their colorless counterparts, naturally colored diamonds are valued by taking into consideration the 4C’s, with arguably the most important being their Color.

In this article we will be looking at:

  • The determining factors of a colored diamond's price
    • Hue
    • Tone
    • Saturation
  • How rarity affect's price per carat
  • Examples of which colors sell for the highest price per carat


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Topics: Alternative Investments, Colored Diamond Investment, colored diamonds

What You Need To Know When Buying A Colored Diamond: Cut and Carat

Posted by Tony Cathaway on 7/19/18 9:37 AM

Welcome to the third and final part of our 4C series. This time we will be looking at the remaining 2 Cs, Cut and Carat weight.


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Topics: Colored Diamond Investment, colored diamonds, 4Cs

The Arpège Tribute to the Stunning Purple Diamonds (Part 1)

Posted by Tony Cathaway on 4/3/18 8:13 AM

In line with our series on colored diamonds, we continue to share our admiration for one of the most beautiful and captivating colors of the spectrum; Purple.

Linked to courage, loyalty, strength, honor, and of course royalty, these gemstones certainly belong among the elites.

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Topics: Colored Diamond Investment, purple diamonds

All The Insight You Need To Know About Fancy Colored Diamonds

Posted by Tony Cathaway on 3/22/18 9:08 AM

As you may already know, colored diamonds have been gaining serious momentum as investment alternatives, competing even against assets such as fine arts, wine, classic cars, and precious metals.

It is for this very reason that we want to provide you with all you need to know about each diamond category, so you can make educated decisions on your next purchase/investment.

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Topics: Colored Diamond Investment

What Have We Learned From The Past Of Colored Diamond Investments

Posted by Tony Cathaway on 1/23/18 8:12 AM

As much as we would like to, we all know that accurately predicting the future of the extremely volatile colored diamond investment market is close to impossible. However, as the old saying goes, knowledge is power.

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Topics: Colored Diamond Investment


Colored Diamond Insights

It's like your own knowledge repository!

The world of naturally colored investment diamonds and jewlery is fascinating! 

Auction prices hitting new heights, stars and entertainers wearing new fancy colored diamonds, and backstories on some of the most iconic colored diamonds of all time. 

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