Round|Natural|GIA

0.66ct M I1 Round Natural Diamond

EX • M/I1 • GIA 2567389638

Certificate GIA 2567389638

Diamond specifications and retailer prices

From $751 USD
As of November 6, 2026
Save $152 USD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $903 USD 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 $751 to $903, a $152 spread on the same certified stone. Yorxs lists it at $903. 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $751 USD|Low: $751 USD|High: $909 USD|Avg: $828 USD
Retailer 1
Yorxs
November 5, 2026
Retailer 1$751 USD
Yorxs$903 USD

16 data points across 2 retailers

2 retailers$751 USD to $903 USD

B
Cheapest Retailer
-
$751 USD
Most Expensive
B
Yorxs
45BBAD2C0 · Nov 5
$903 USD
€860 EUR
View
1 more retailer has this diamond
Prices start from $751 USDSave up to $152 USD

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
$751 USD