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0.66ct M I1 Round Natural Diamond

EX • M/I1 • GIA 2567389638

Certificate GIA 2567389638

Diamond specifications and retailer prices

From €673 EUR
As of November 6, 2026
Save €136 EUR (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €809 EUR at Yorxs · As of November 5, 2026
View at Yorxs

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2567389638. Listed at 2 retailers as of November 5, 2026, with prices from €673 to €809, a €136 spread on the same certified stone. Yorxs lists it at €809. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567389638
Dimensions5.58 × 5.56 × 3.47 mm
L/W Ratio1.00
Key to symbols
Feather
Top View
5.58 mm5.56 mm0.66 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567389638
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €673 EUR|Low: €673 EUR|High: €814 EUR|Avg: €741 EUR
Retailer 1
Yorxs
November 5, 2026
Retailer 1€673 EUR
Yorxs€809 EUR

16 data points across 2 retailers

2 retailers€673 EUR to €809 EUR

B
Cheapest Retailer
-
€673 EUR
Most Expensive
B
Yorxs
45BBAD2C0 · Nov 5
€809 EUR
View
1 more retailer has this diamond
Prices start from €673 EURSave up to €136 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.66ct Round
€673 EUR