Radiant|Natural|GIA

0.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 3415682147

Certificate GIA 3415682147

Diamond specifications and retailer prices

From £456 GBP
$611 USD
As of October 29, 2026
Save £1,393 GBP (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,849 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3415682147. Listed at 16 retailers as of October 29, 2026, with prices from £456 to £1,849, a £1,393 spread on the same certified stone. NZ Jewellers lists it at £1,849. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3415682147
Dimensions4.30 × 4.24 × 2.95 mm
L/W Ratio1.01
Top View
4.30 mm4.24 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3415682147
Side View
Table 67.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 69.5%

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 29
Current: £679 GBP|Low: £456 GBP|High: £1,067 GBP|Avg: £765 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£456 GBP
Retailer 8£590 GBP
Retailer 1£679 GBP
Retailer 9£716 GBP
Retailer 4£739 GBP
Retailer 3£834 GBP
Retailer 7£887 GBP
Retailer 5£908 GBP
Retailer 2£1,061 GBP

42 data points across 9 retailers

16 retailers£456 GBP to £1,849 GBP

A
Cheapest Retailer
-
£456 GBP
$611 USD
Final sale: no returns
B+
Retailer 2
-
£569 GBP
$763 USD
View
B+
Retailer 3
-
£590 GBP
$790 USD
View
B+
Retailer 4
-
£590 GBP
$790 USD
View
B+
Retailer 5
-
£612 GBP
$820 USD
View
B+
Retailer 6
-
£648 GBP
View
B+
Retailer 7
-
£679 GBP
View
B+
Retailer 8
-
£681 GBP
$912 USD
View
B+
Retailer 9
-
£689 GBP
$923 USD
View
B+
Retailer 10
-
£716 GBP
$960 USD
View
B+
Retailer 11
-
£739 GBP
View
B+
Retailer 12
-
£834 GBP
€1,064 EUR
View
Retailer 13
-
£887 GBP
A$1,828 AUD
View
Price last confirmed 26 days ago
B
Retailer 14
-
£908 GBP
ZAR 19,654 ZAR
View
B
Retailer 15
-
£1,061 GBP
View
Most Expensive
B
NZ Jewellers
26f34714-5150-4aba-a24c-4fbd9e560466 · Oct 30
£1,849 GBP
$2,478 USD
View
15 more retailers have this diamond
Prices start from £456 GBPSave up to £1,393 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 Radiant
£456 GBP