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Round|Natural|GIA

5.11ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2223175907

Certificate GIA 2223175907

Diamond specifications and retailer prices

From £42,337 GBP
$56,727 USD
As of October 30, 2026
Save £24,117 GBP (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £66,454 GBP 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2223175907. Listed at 10 retailers as of October 29, 2026, with prices from £42,337 to £66,454, a £24,117 spread on the same certified stone. MOH London lists it at £66,454. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2223175907
Dimensions10.93 × 10.95 × 6.90 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.93 mm10.95 mm5.11 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2223175907
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: £66,454 GBP|Low: £40,409 GBP|High: £74,794 GBP|Avg: £49,372 GBP|-11.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 6£40,409 GBP
Retailer 14£42,337 GBP
Retailer 8£42,362 GBP
Retailer 3£43,307 GBP
Retailer 13£44,087 GBP
Retailer 4£46,489 GBP
Retailer 9£46,717 GBP
Retailer 10£48,664 GBP
Retailer 5£48,820 GBP
Retailer 11£50,611 GBP
Retailer 2£51,354 GBP
Retailer 12£52,557 GBP
Retailer 7£53,896 GBP
MOH London£66,454 GBP

23 data points across 14 retailers

10 retailers£42,337 GBP to £66,454 GBP

Retailer 1
-
£40,409 GBP
HK$423,000 HKD
Price last confirmed 38 days ago
A
Retailer 2
-
£42,337 GBP
$56,727 USD
View
A
Retailer 3
-
£42,362 GBP
View
Retailer 4
-
£44,087 GBP
$59,072 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
£48,664 GBP
$65,205 USD
View
A
Retailer 6
-
£50,611 GBP
$67,813 USD
View
A
Retailer 7
-
£51,354 GBP
€65,532 EUR
View
Retailer 8
-
£52,557 GBP
$70,421 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
£53,896 GBP
View
Most Expensive
B+
MOH London
7959B919D · Oct 29
£66,454 GBP
View
9 more retailers have this diamond
Prices start from £42,337 GBPSave up to £24,117 GBP

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
£42,337 GBP