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5.23ct H SI2 Round Natural Diamond

EX • H/SI2 • HRD 230000077007

Shape and cutting style on the report: Brilliant

Certificate HRD 230000077007

Diamond specifications and retailer prices

From $63,702 USD
As of October 31, 2026
Save $36,058 USD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $99,760 USD at MOH London · As of November 1, 2026
View at MOH London

About this 5.23ct natural round diamond

This 5.23ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 230000077007. Listed at 8 retailers as of October 31, 2026, with prices from $63,702 to $99,760, a $36,058 spread on the same certified stone. MOH London lists it at $99,760. 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

5.23
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.4°
OriginNatural
Grading LabHRD
CertificateHRD 230000077007
Dimensions11.07 × 11.13 × 6.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.07 mm11.13 mm5.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 230000077007
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.0%

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 31
Current: $99,760 USD|Low: $52,599 USD|High: $123,694 USD|Avg: $76,962 USD|-0.1%
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 3$52,599 USD
Retailer 5$58,902 USD
Retailer 4$63,702 USD
Retailer 6$66,703 USD
Retailer 8$70,683 USD
Retailer 2$75,389 USD
Retailer 11$78,496 USD
Retailer 9$78,756 USD
Retailer 7$79,518 USD
MOH London$99,760 USD
Retailer 10$123,694 USD

8 data points across 11 retailers

8 retailers$63,702 USD to $99,760 USD

A
Cheapest Retailer
-
$63,702 USD
Retailer 2
-
$66,703 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$75,389 USD
€71,799 EUR
View
Retailer 4
-
$76,573 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$78,496 USD
View
B+
Retailer 6
-
$78,756 USD
View
Retailer 7
-
$79,518 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
A67904CFB · Nov 1
$99,760 USD
£78,551 GBP
View
7 more retailers have this diamond
Prices start from $63,702 USDSave up to $36,058 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
5.23ct Round
$63,702 USD