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5.10ct E SI2 Round Natural Diamond

EX • E/SI2 • HRD 210000215054

Shape and cutting style on the report: Brilliant

Certificate HRD 210000215054

Diamond specifications and retailer prices

From $91,073 USD
As of October 29, 2026
Save $54,873 USD (38%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $145,946 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 210000215054. Listed at 10 retailers as of October 29, 2026, with prices from $91,073 to $145,946, a $54,873 spread on the same certified stone. MOH London lists it at $145,946. 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

5.10
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41.1°
OriginNatural
Grading LabHRD
CertificateHRD 210000215054
Dimensions10.99 × 11.00 × 6.83 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.99 mm11.00 mm5.10 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 210000215054
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.0%

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 29
Current: $145,946 USD|Low: $62,836 USD|High: $146,917 USD|Avg: $102,006 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$62,836 USD
Retailer 6$91,073 USD
Retailer 10$92,980 USD
Retailer 4$94,051 USD
Retailer 7$96,824 USD
Retailer 11$102,601 USD
Retailer 5$106,876 USD
Retailer 9$111,151 USD
Retailer 2$112,605 USD
Retailer 8$115,426 USD
MOH London$145,946 USD

27 data points across 11 retailers

10 retailers$91,073 USD to $145,946 USD

A
Cheapest Retailer
-
$91,073 USD
A
Retailer 2
-
$92,980 USD
View
A
Retailer 3
-
$94,051 USD
View
Final sale: no returns
A
Retailer 4
-
$96,824 USD
View
A
Retailer 5
-
$102,601 USD
View
A
Retailer 6
-
$106,876 USD
View
B+
Retailer 7
-
$111,151 USD
View
B+
Retailer 8
-
$112,605 USD
€107,243 EUR
View
B+
Retailer 9
-
$115,426 USD
View
Most Expensive
B
MOH London
CB616D671 · Oct 29
$145,946 USD
£114,918 GBP
View
9 more retailers have this diamond
Prices start from $91,073 USDSave up to $54,873 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
5.10ct Round
$91,073 USD