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Round|Natural|GIA

0.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1503375357

Certificate GIA 1503375357

Diamond specifications and retailer prices

From $690 AUD
As of October 31, 2026
Save $2,233 AUD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,974 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503375357. Listed at 21 retailers as of October 31, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1503375357
Dimensions5.18 × 5.15 × 3.11 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Key to symbols
Feather, Cloud
Top View
5.18 mm5.15 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1503375357
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.1%

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 31
Current: $2,923 AUD|Low: $689 AUD|High: $2,923 AUD|Avg: $1,582 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$690 AUD
Retailer 6$921 AUD
Retailer 2$967 AUD
Retailer 10$969 AUD
Retailer 5$1,131 AUD
Retailer 4$1,240 AUD
Retailer 3$1,351 AUD
Retailer 7$2,148 AUD
Retailer 9$2,666 AUD
NZ Jewellers$2,923 AUD

30 data points across 10 retailers

21 retailers$690 AUD to $2,923 AUD

A
Cheapest Retailer
-
$690 AUD
A
Retailer 2
-
$881 AUD
View
A
Retailer 3
-
$891 AUD
View
A
Retailer 4
-
$921 AUD
View
A
Retailer 5
-
$931 AUD
View
Retailer 6
-
$931 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$949 AUD
View
Price last confirmed 44 days ago
A
Retailer 8
-
$967 AUD
View
A
Retailer 9
-
$969 AUD
View
A
Retailer 10
-
$1,076 AUD
View
Retailer 11
-
$1,094 AUD
View
Price last confirmed 45 days ago
A
Retailer 12
-
$1,120 AUD
View
A
Retailer 13
-
$1,131 AUD
View
B+
Retailer 14
-
$1,161 AUD
View
B+
Retailer 15
-
$1,240 AUD
View
B+
Retailer 16
-
$1,351 AUD
View
B
Retailer 17
-
$2,114 AUD
View
B
Retailer 18
-
$2,148 AUD
View
Retailer 19
-
$2,666 AUD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$2,923 AUD
View
Most Expensive
NZ Jewellers
110976c5-06ea-4d63-8469-8b2a6b26b3ab · Sep 24
$2,974 AUD
$2,082 USD
View
Price last confirmed 42 days ago
20 more retailers have this diamond
Prices start from $690 AUDSave up to $2,233 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
0.50ct Round
$690 AUD