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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 £359 GBP
As of October 31, 2026
Save £1,161 GBP (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,547 GBP 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,520 GBP|Low: £358 GBP|High: £1,520 GBP|Avg: £823 GBP
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£359 GBP
Retailer 6£479 GBP
Retailer 2£503 GBP
Retailer 10£504 GBP
Retailer 5£588 GBP
Retailer 4£645 GBP
Retailer 3£703 GBP
Retailer 7£1,117 GBP
Retailer 9£1,386 GBP
NZ Jewellers£1,520 GBP

30 data points across 10 retailers

21 retailers£359 GBP to £1,520 GBP

A
Cheapest Retailer
-
£359 GBP
A
Retailer 2
-
£458 GBP
View
A
Retailer 3
-
£464 GBP
View
A
Retailer 4
-
£479 GBP
View
A
Retailer 5
-
£484 GBP
View
Retailer 6
-
£484 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£493 GBP
View
Price last confirmed 44 days ago
A
Retailer 8
-
£503 GBP
View
A
Retailer 9
-
£504 GBP
View
A
Retailer 10
-
£559 GBP
View
Retailer 11
-
£569 GBP
View
Price last confirmed 45 days ago
A
Retailer 12
-
£583 GBP
View
A
Retailer 13
-
£588 GBP
View
B+
Retailer 14
-
£604 GBP
View
B+
Retailer 15
-
£645 GBP
View
B+
Retailer 16
-
£703 GBP
View
B
Retailer 17
-
£1,100 GBP
View
B
Retailer 18
-
£1,117 GBP
View
Retailer 19
-
£1,386 GBP
View
Price last confirmed 10 days ago
B
Retailer 20
-
£1,520 GBP
View
Most Expensive
NZ Jewellers
110976c5-06ea-4d63-8469-8b2a6b26b3ab · Sep 24
£1,547 GBP
$2,082 USD
View
Price last confirmed 42 days ago
20 more retailers have this diamond
Prices start from £359 GBPSave up to £1,161 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
0.50ct Round
£359 GBP