Oval|Natural|GIA

0.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 1558861119

Certificate GIA 1558861119

Diamond specifications and retailer prices

From £327 GBP
As of November 6, 2026
Save £1,047 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,375 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558861119. Listed at 16 retailers as of November 5, 2026, with prices from £327 to £1,375, a £1,047 spread on the same certified stone. NZ Jewellers lists it at £1,375. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558861119
Dimensions6.19 × 4.40 × 2.77 mm
L/W Ratio1.41
Top View
6.19 mm4.40 mm0.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558861119
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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: £1,375 GBP|Low: £327 GBP|High: £1,375 GBP|Avg: £577 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
November 6, 2026
Retailer 2£327 GBP
Retailer 3£373 GBP
Retailer 15£439 GBP
Retailer 5£464 GBP
Retailer 13£472 GBP
Retailer 14£472 GBP
Retailer 4£506 GBP
Retailer 8£533 GBP
Retailer 12£536 GBP
Retailer 7£583 GBP
Retailer 10£599 GBP
Retailer 6£619 GBP
Retailer 11£676 GBP
Retailer 9£1,010 GBP
NZ Jewellers£1,375 GBP

31 data points across 15 retailers

16 retailers£327 GBP to £1,375 GBP

A
Cheapest Retailer
-
£327 GBP
A
Retailer 2
-
£373 GBP
View
A
Retailer 3
-
£439 GBP
View
Retailer 4
-
£464 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£472 GBP
View
Retailer 6
-
£472 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£506 GBP
View
B+
Retailer 8
-
£533 GBP
View
B+
Retailer 9
-
£536 GBP
View
B+
Retailer 10
-
£583 GBP
View
B+
Retailer 11
-
£599 GBP
View
B+
Retailer 12
-
£619 GBP
View
Retailer 13
-
£669 GBP
View
Price last confirmed 33 days ago
B+
Retailer 14
-
£676 GBP
View
B
Retailer 15
-
£1,010 GBP
View
Most Expensive
B
NZ Jewellers
709511ef-8f11-486e-9b54-a1570a61bbc3 · Nov 5
£1,375 GBP
$1,840 USD
View
15 more retailers have this diamond
Prices start from £327 GBPSave up to £1,047 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
£327 GBP