Diamond Query: An H-Colored GIA Round Cut Diamond vs. a Whiter F-Colored Round Cut Diamond but Graded by IGI


| Anonymous Reader


Hi Sebastian, just a quick question. If you had to choose between these three diamonds, what would you choose? We're looking to decide on the diamond tomorrow, and I need your opinion :)!

 

1.00 CARAT F-VS2 EXCELLENT CUT ROUND DIAMOND

1.00 CARAT F-VS2 EXCELLENT CUT ROUND DIAMOND

 

1.04 CARAT H-VS1 EXCELLENT CUT ROUND DIAMOND

1.04 CARAT H-VS1 EXCELLENT CUT ROUND DIAMOND

 

1.01 CARAT H-VS2 EXCELLENT CUT ROUND DIAMOND

1.01 CARAT H-VS2 EXCELLENT CUT ROUND DIAMOND

 

Your Diamond Teacher |

 

Thank you for your inquiry. I am happy to help! I would choose below diamond sku 5282859. This diamond has a perfect pavilion angle. And this angle is one of the most important for optimal light reflection.

 

1.04 CARAT H-VS1 EXCELLENT CUT ROUND DIAMOND

1.04 CARAT H-VS1 EXCELLENT CUT ROUND DIAMOND

 

 

| Anonymous Reader


Thanks Sebastian! My only hesitation is that I felt like it would look more yellow from the side, compared to the IGI 1 ct F colour.. would the cut negate seeing the tinge from the side? I'm pretty colour sensitive! So really, I'm torn between the one you chose, and the F diamond.

 

It would be set in this setting:

14K WHITE GOLD PETITE PAVE CROWN DIAMOND ENGAGEMENT RING

14K WHITE GOLD PETITE PAVE CROWN DIAMOND ENGAGEMENT RING

 

Your insight is VERY appreciated!

And just to follow up, I checked your site with the table showing the best dimensions for round diamonds. The IGI 1 ct F was perfect for every angle and % you mention.

My only worry is that IGI has a bad rep – this particular diamond has a report from IGI – Antwerp. Is it possible these angles are “incorrect” a bit to make it appear like it's the perfect measurements?

If you wanted to avoid a yellowish stone, would you risk it with the IGI, or will the H diamond you recommend probably be “white enough” that I won't notice?

 

Your Diamond Teacher |

 

If I had to choose between a diamond that is graded by GIA or IGI, I would choose GIA, since their grading standards are more strict. The studies have shown that IGI is less strict in their color and clarity grading. I believe they use comparable standards to determine cut grade.

Have you seen different color loose diamonds in person? Does your eye pick up on the difference? My professional input is that an H color diamond is perfectly safe. But it is important to go with your gut feeling, as well. πŸ™‚

 

 

 

Diamond Query: An H-Colored GIA Round Cut Diamond vs. a Whiter F-Colored Round Cut Diamond but Graded by IGI
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About 

Sebastian Naturski loves to write about diamonds and share his knowledge with his readers.
When he is not working on his website he is studying law at Humboldt University of Berlin.
He has taken part in several international law competitions and likes to broaden his horizons.
His other big passion are languages. He is fluent in German, English, Polish and Japanese and got basic skills in French and Spanish as well.