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5.11ct D SI2 Round Natural Diamond

EX • D/SI2 • IGI 778630911

Shape and cutting style on the report: Round brilliant

Certificate IGI 778630911

Diamond specifications and retailer prices

From $62,480 USD
As of October 30, 2026
Save $36,129 USD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $98,609 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.11ct natural round diamond

This 5.11ct natural round sits in the over five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 778630911. Listed at 9 retailers as of October 29, 2026, with prices from $62,480 to $98,609, a $36,129 spread on the same certified stone. MOH London lists it at $98,609. 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

5.11
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 778630911
Dimensions11.00 × 11.02 × 6.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.00 mm11.02 mm5.11 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 778630911
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $98,609 USD|Low: $61,723 USD|High: $99,266 USD|Avg: $74,872 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$62,480 USD
Retailer 5$62,823 USD
Retailer 2$66,479 USD
Retailer 8$69,323 USD
Retailer 6$75,100 USD
Retailer 3$76,082 USD
Retailer 9$77,240 USD
Retailer 7$77,988 USD
MOH London$98,609 USD

15 data points across 9 retailers

9 retailers$62,480 USD to $98,609 USD

A
Cheapest Retailer
-
$62,480 USD
A
Retailer 2
-
$62,823 USD
View
Retailer 3
-
$65,420 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$66,479 USD
£52,346 GBP
View
Retailer 5
-
$75,100 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$76,082 USD
€72,459 EUR
View
A
Retailer 7
-
$77,240 USD
View
Retailer 8
-
$77,988 USD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
B67936746 · Oct 29
$98,609 USD
£77,645 GBP
View
8 more retailers have this diamond
Prices start from $62,480 USDSave up to $36,129 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
5.11ct Round
$62,480 USD