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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 $129,413 AUD
£71,579 GBP
As of October 28, 2026
Save $75,299 AUD (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $204,711 AUD 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 $129,413 to $204,711, a $75,299 spread on the same certified stone. MOH London lists it at $204,711. 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: $204,711 AUD|Low: $123,972 AUD|High: $359,680 AUD|Avg: $175,430 AUD|-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$123,972 AUD
Retailer 6$125,156 AUD
Retailer 5$129,413 AUD
Retailer 8$130,941 AUD
Retailer 4$138,907 AUD
Retailer 3$144,490 AUD
Retailer 7$150,512 AUD
Retailer 10$156,532 AUD
Retailer 2$158,581 AUD
Retailer 9$161,036 AUD
MOH London$204,711 AUD

27 data points across 11 retailers

11 retailers$129,413 AUD to $204,711 AUD

Retailer 1
-
$123,972 AUD
SGD 117,680 SGD
Price last confirmed 22 days ago
Retailer 2
-
$125,156 AUD
$87,915 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$129,413 AUD
£71,579 GBP
View
A
Retailer 4
-
$130,941 AUD
$91,979 USD
View
A
Retailer 5
-
$138,907 AUD
£76,830 GBP
View
Retailer 6
-
$144,490 AUD
$101,496 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$150,512 AUD
$105,726 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$156,532 AUD
$109,955 USD
View
B+
Retailer 9
-
$158,581 AUD
€106,090 EUR
View
Retailer 10
-
$161,036 AUD
$113,119 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
99CBE4FA0 · Oct 26
$204,711 AUD
£113,227 GBP
View
10 more retailers have this diamond
Prices start from $129,413 AUDSave up to $75,299 AUD

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
$129,413 AUD