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Radiant|Natural|GIA

0.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7556382017

Certificate GIA 7556382017

Diamond specifications and retailer prices

From £335 GBP
As of November 6, 2026
Save £909 GBP (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,244 GBP at NZ Jewellers · As of November 5, 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 F 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 7556382017. Listed at 8 retailers as of November 5, 2026, with prices from £335 to £1,244, a £909 spread on the same certified stone. NZ Jewellers lists it at £1,244. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceNone
Pavilion angle59.45°
OriginNatural
Grading LabGIA
CertificateGIA 7556382017
Dimensions5.31 × 4.04 × 2.74 mm
L/W Ratio1.31
Key to symbols
Crystal
Top View
5.31 mm4.04 mm0.50 ctF / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556382017
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 59.45°Culet: NoneDepth 67.8%

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: Nov 6
Current: £1,244 GBP|Low: £332 GBP|High: £1,357 GBP|Avg: £661 GBP|-8.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7£335 GBP
Retailer 5£397 GBP
Retailer 8£399 GBP
Retailer 3£409 GBP
Retailer 6£427 GBP
Retailer 2£911 GBP
Retailer 4£926 GBP
NZ Jewellers£1,244 GBP

30 data points across 8 retailers

8 retailers£335 GBP to £1,244 GBP

A
Cheapest Retailer
-
£335 GBP
A
Retailer 2
-
£397 GBP
View
A
Retailer 3
-
£399 GBP
View
Final sale: no returns
A
Retailer 4
-
£409 GBP
View
A
Retailer 5
-
£427 GBP
View
B
Retailer 6
-
£911 GBP
View
B
Retailer 7
-
£926 GBP
View
Most Expensive
B
NZ Jewellers
e531f5ac-d34d-4b46-8ac2-941a8076c3fa · Nov 5
£1,244 GBP
$1,665 USD
View
7 more retailers have this diamond
Prices start from £335 GBPSave up to £909 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
£335 GBP