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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 HK$445,063 HKD
$56,727 USD
As of October 30, 2026
Save HK$253,526 HKD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$698,589 HKD 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 HK$445,063 to HK$698,589, a HK$253,526 spread on the same certified stone. MOH London lists it at HK$698,589. 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: HK$698,589 HKD|Low: HK$424,798 HKD|High: HK$786,262 HKD|Avg: HK$518,525 HKD|-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 6HK$424,798 HKD
Retailer 14HK$445,063 HKD
Retailer 8HK$445,320 HKD
Retailer 3HK$455,261 HKD
Retailer 13HK$463,461 HKD
Retailer 4HK$488,709 HKD
Retailer 9HK$491,109 HKD
Retailer 10HK$511,579 HKD
Retailer 5HK$513,211 HKD
Retailer 11HK$532,040 HKD
Retailer 2HK$539,852 HKD
Retailer 12HK$552,502 HKD
Retailer 7HK$566,580 HKD
MOH LondonHK$698,589 HKD

21 data points across 14 retailers

10 retailersHK$445,063 HKD to HK$698,589 HKD

Retailer 1
-
HK$424,798 HKD
Price last confirmed 39 days ago
A
Retailer 2
-
HK$445,063 HKD
$56,727 USD
View
A
Retailer 3
-
HK$445,320 HKD
£44,693 GBP
View
Retailer 4
-
HK$463,461 HKD
$59,072 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$511,579 HKD
$65,205 USD
View
A
Retailer 6
-
HK$532,040 HKD
$67,813 USD
View
A
Retailer 7
-
HK$539,852 HKD
€65,532 EUR
View
Retailer 8
-
HK$552,502 HKD
$70,421 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
HK$566,580 HKD
£56,862 GBP
View
Most Expensive
B+
MOH London
7959B919D · Oct 29
HK$698,589 HKD
£70,111 GBP
View
9 more retailers have this diamond
Prices start from HK$445,063 HKDSave up to HK$253,526 HKD

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
HK$445,063 HKD