Archive Monthly Archives: June 2013

“Once in a Blue Moon” 2.343 carat, Brian Gavin Blue with Very Strong Blue Fluorescence. YUM!

Once in a Blue Moon” is a phrase used to describe a rare atmospheric event which causes the moon to appear bluish, this phenomena is usually due to smoke or dust particles in the air, such as those caused by forest fire or volcanic eruption. Blue fluorescence in diamonds is caused by the presence of […]

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1.50 carat, F/G color, SI-1 / VS-2 clarity, round brilliant ideal cut diamonds for $5-6K

Last night I received a phone call from a friend of the family, who is in the middle of shopping for diamonds, and remembered that he had a friend in the diamond business. We spent a few minutes catching up and then I asked him what he was looking for and how much he wanted […]

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What do Diamond Proportions & HCA Score have to do with Light Leakage in a GIA 3X Cut Diamond?

“I was wondering if you could help me with evaluating if the 5.5 Holloway Cut Adviser score for a diamond is truly an issue. I have seen this diamond and another diamond that scores a 3.4. Is there any sort of analysis you could show me on these two? In person I really did like […]

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Already Purchased Blue Nile Diamond before reading your site, should I keep it or return it?

“Hi Todd, I bought my girlfriend an engagement ring through Blue Nile’s website a month ago today. It was shipped to me on June 6th which means I only have about 10 days left to return it. I’m not asking my girlfriend to marry me until our 2 year anniversary in August but by then […]

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Are Diamonds from the Brian Gavin Blue Collection actually blue?

I’ve received several messages from guys about diamonds from the Brian Gavin Blue collection. Most of them say something like “I like what you had to say about that 1.328 carat from Brian Gavin, but my girlfriend says that she doesn’t want a blue diamond.” I’m beginning to wonder whether I’ve done an inadequate job of […]

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Choosing between Round Ideal Cut Diamonds from Blue Nile, Brian Gavin, and Crafted by Infinity

Hi Todd, thanks for the nice article that you wrote recently [Brian Gavin Blue Review]! Its amazing to see what a difference the outside diameter of a diamond can make in its price. You had helped me choose among a few 1.75 carat choices [James Allen vs. Brian Gavin 1.75+ carats] recently, but now the […]

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Diamond Design by Marcel Tolkowsky, a Study of Brilliance and Dispersion for Round Diamonds

The book Diamond Design by Marcel Tolkowsky was written in 1919, as an analysis of diamond proportions for the purpose of determining the exact proportions which would produce optimum brilliance and dispersion in a round brilliant cut diamond.  The Tolkowsky family has contributed a lot to the advancement of diamond cutting over the years, I […]

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“Diamonds Are Forever” but Channels of Diamond Distribution are Always Changing

When DeBeers launched their “Diamonds are Forever” marketing campaign in 1952, the industry followed a traditional method of distributing their product to the public which looked something like this: DeBeers operated a mining group which sold uncut diamond rough to Diamond Cutters, who cut the diamonds and sold them to Diamond Wholesalers, who sold the diamonds […]

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Tacori Bridal Pretty in Pink Collection Jewelry Debut

Tacori Bridal announced the debut of their “Pretty in Pink” rose gold jewelry collection today.  It features a collection of engagement rings, earrings and diamond pendants made in rose gold, instead of traditional yellow gold, white gold or platinum.  “Pink gold” is a common name for “rose gold” which is a mixture of gold and […]

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Let’s Build an Asscher Cut Diamond Engagement Ring with Ritani Bridal Build-a-Ring Feature

Today I’m going to be helping a client build an Asscher cut diamond engagement ring with Ritani! This is kind of exciting because Asscher cut diamonds are one of my favorite shapes and it’s been awhile since somebody has asked me to find one for them… And Ritani is one of my favorite designers of […]

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