Round|Natural|GIA

0.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1503375357

Certificate GIA 1503375357

Diamond specifications and retailer prices

From $483 USD
As of October 31, 2026
Save $1,563 USD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,082 USD 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,046 USD|Low: $482 USD|High: $2,046 USD|Avg: $1,108 USD
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$483 USD
Retailer 6$645 USD
Retailer 2$677 USD
Retailer 10$678 USD
Retailer 5$792 USD
Retailer 4$868 USD
Retailer 3$946 USD
Retailer 7$1,504 USD
Retailer 9$1,866 USD
NZ Jewellers$2,046 USD

30 data points across 10 retailers

21 retailers$483 USD to $2,046 USD

A
Cheapest Retailer
-
$483 USD
A
Retailer 2
-
$617 USD
View
A
Retailer 3
-
$624 USD
View
A
Retailer 4
-
$645 USD
View
A
Retailer 5
-
$652 USD
View
Retailer 6
-
$652 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$664 USD
View
Price last confirmed 44 days ago
A
Retailer 8
-
$677 USD
View
A
Retailer 9
-
$678 USD
View
A
Retailer 10
-
$753 USD
View
Retailer 11
-
$766 USD
View
Price last confirmed 45 days ago
A
Retailer 12
-
$784 USD
View
A
Retailer 13
-
$792 USD
View
B+
Retailer 14
-
$813 USD
View
B+
Retailer 15
-
$868 USD
View
B+
Retailer 16
-
$946 USD
View
B
Retailer 17
-
$1,480 USD
View
B
Retailer 18
-
$1,504 USD
View
Retailer 19
-
$1,866 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$2,046 USD
View
Most Expensive
NZ Jewellers
110976c5-06ea-4d63-8469-8b2a6b26b3ab · Sep 24
$2,082 USD
View
Price last confirmed 42 days ago
20 more retailers have this diamond
Prices start from $483 USDSave up to $1,563 USD

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
$483 USD