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Oval|Natural|GIA

0.50ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 6561435187

Certificate GIA 6561435187

Diamond specifications and retailer prices

From £336 GBP
As of November 6, 2026
Save £1,103 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,439 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval 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 6561435187. Listed at 19 retailers as of November 5, 2026, with prices from £336 to £1,439, a £1,103 spread on the same certified stone. NZ Jewellers lists it at £1,439. 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
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561435187
Dimensions6.26 × 4.41 × 2.81 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
6.26 mm4.41 mm0.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561435187
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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: Nov 6
Current: £1,439 GBP|Low: £336 GBP|High: £1,439 GBP|Avg: £612 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 2£336 GBP
Retailer 4£383 GBP
Retailer 7£423 GBP
Retailer 12£459 GBP
Retailer 5£463 GBP
Retailer 3£494 GBP
Retailer 14£494 GBP
Retailer 11£529 GBP
Retailer 8£530 GBP
Retailer 10£558 GBP
Retailer 9£560 GBP
Retailer 6£601 GBP
Retailer 16£677 GBP
Retailer 13£708 GBP
Retailer 15£1,058 GBP
NZ Jewellers£1,439 GBP

24 data points across 16 retailers

19 retailers£336 GBP to £1,439 GBP

A
Cheapest Retailer
-
£336 GBP
A
Retailer 2
-
£383 GBP
View
A
Retailer 3
-
£423 GBP
View
Final sale: no returns
A
Retailer 4
-
£459 GBP
View
Retailer 5
-
£463 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£494 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£494 GBP
View
B+
Retailer 8
-
£529 GBP
View
B+
Retailer 9
-
£530 GBP
View
B+
Retailer 10
-
£539 GBP
View
B+
Retailer 11
-
£558 GBP
View
B+
Retailer 12
-
£560 GBP
View
B+
Retailer 13
-
£601 GBP
View
B+
Retailer 14
-
£634 GBP
View
B+
Retailer 15
-
£677 GBP
View
Retailer 16
-
£705 GBP
View
Price last confirmed 33 days ago
B+
Retailer 17
-
£708 GBP
View
B
Retailer 18
-
£1,058 GBP
View
Most Expensive
B
NZ Jewellers
985988bd-009d-44ce-8b43-a71a1b0d7610 · Nov 5
£1,439 GBP
$1,926 USD
View
18 more retailers have this diamond
Prices start from £336 GBPSave up to £1,103 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 Oval
£336 GBP