Round|Natural|GIA

3.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5231739077

Certificate GIA 5231739077

Diamond specifications and retailer prices

From $44,493 USD
As of October 30, 2026
Save $32,183 USD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $76,676 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural round diamond

This 3.51ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231739077. Listed at 10 retailers as of October 30, 2026, with prices from $44,493 to $76,676, a $32,183 spread on the same certified stone. MOH London lists it at $76,676. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231739077
Dimensions9.60 × 9.66 × 6.01 mm
L/W Ratio1.01
Top View
9.60 mm9.66 mm3.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5231739077
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $76,676 USD|Low: $44,493 USD|High: $79,995 USD|Avg: $56,096 USD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$44,493 USD
Retailer 5$49,096 USD
Retailer 4$49,124 USD
Retailer 6$51,142 USD
Retailer 9$51,142 USD
Retailer 7$51,697 USD
Retailer 10$53,187 USD
Retailer 11$55,233 USD
Retailer 2$56,345 USD
Retailer 3$63,664 USD
MOH London$76,676 USD

38 data points across 11 retailers

10 retailers$44,493 USD to $76,676 USD

A
Cheapest Retailer
-
$44,493 USD
B+
Retailer 2
-
$49,096 USD
View
A
Retailer 3
-
$49,124 USD
£38,680 GBP
View
B+
Retailer 4
-
$51,142 USD
View
B+
Retailer 5
-
$51,142 USD
View
B+
Retailer 6
-
$51,697 USD
View
B+
Retailer 7
-
$53,187 USD
View
B+
Retailer 8
-
$55,233 USD
View
B+
Retailer 9
-
$56,345 USD
€53,662 EUR
View
Most Expensive
B
MOH London
EFBE2869C · Nov 1
$76,676 USD
£60,375 GBP
View
9 more retailers have this diamond
Prices start from $44,493 USDSave up to $32,183 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.

A
3.51ct Round
$44,493 USD