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Round|Natural|GIA

5.03ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6565258507

Certificate GIA 6565258507

Diamond specifications and retailer prices

From £67,845 GBP
As of October 28, 2026
Save £39,476 GBP (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £107,321 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 5.03ct natural round diamond

This 5.03ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565258507. Listed at 11 retailers as of October 26, 2026, with prices from £67,845 to £107,321, a £39,476 spread on the same certified stone. MOH London lists it at £107,321. 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

5.03
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565258507
Dimensions11.09 × 11.04 × 6.67 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Etch Channel, Indented Natural, Cavity, Natural
Top View
11.09 mm11.04 mm5.03 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565258507
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

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 28
Current: £107,321 GBP|Low: £64,993 GBP|High: £188,564 GBP|Avg: £91,970 GBP|-43.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 11£64,993 GBP
Retailer 6£65,614 GBP
Retailer 5£67,845 GBP
Retailer 8£68,647 GBP
Retailer 4£72,823 GBP
Retailer 3£75,750 GBP
Retailer 7£78,906 GBP
Retailer 10£82,063 GBP
Retailer 2£83,137 GBP
Retailer 9£84,424 GBP
MOH London£107,321 GBP

27 data points across 11 retailers

11 retailers£67,845 GBP to £107,321 GBP

Retailer 1
-
£64,993 GBP
SGD 117,680 SGD
Price last confirmed 22 days ago
Retailer 2
-
£65,614 GBP
$87,915 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£67,845 GBP
View
A
Retailer 4
-
£68,647 GBP
$91,979 USD
View
A
Retailer 5
-
£72,823 GBP
View
Retailer 6
-
£75,750 GBP
$101,496 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£78,906 GBP
$105,726 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£82,063 GBP
$109,955 USD
View
B+
Retailer 9
-
£83,137 GBP
€106,090 EUR
View
Retailer 10
-
£84,424 GBP
$113,119 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
99CBE4FA0 · Oct 26
£107,321 GBP
View
10 more retailers have this diamond
Prices start from £67,845 GBPSave up to £39,476 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
5.03ct Round
£67,845 GBP