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Oval|Natural|GIA

0.50ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 5241031154

Certificate GIA 5241031154

Diamond specifications and retailer prices

From £304 GBP
As of November 5, 2026
Save £861 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,165 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241031154. Listed at 11 retailers as of November 5, 2026, with prices from £304 to £1,165, a £861 spread on the same certified stone. NZ Jewellers lists it at £1,165. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5241031154
Dimensions6.18 × 4.37 × 2.61 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.18 mm4.37 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5241031154
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.8%

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 5
Current: £1,165 GBP|Low: £304 GBP|High: £1,165 GBP|Avg: £464 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£304 GBP
Retailer 5£327 GBP
Retailer 2£361 GBP
Retailer 3£370 GBP
Retailer 7£500 GBP
Retailer 6£701 GBP
NZ Jewellers£1,165 GBP

43 data points across 7 retailers

11 retailers£304 GBP to £1,165 GBP

A
Cheapest Retailer
-
£304 GBP
A
Retailer 2
-
£318 GBP
View
A
Retailer 3
-
£327 GBP
View
Retailer 4
-
£327 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£351 GBP
View
B+
Retailer 6
-
£351 GBP
View
A
Retailer 7
-
£361 GBP
View
B+
Retailer 8
-
£370 GBP
View
B
Retailer 9
-
£500 GBP
View
B
Retailer 10
-
£701 GBP
View
Most Expensive
C
NZ Jewellers
80293ddf-c16c-49c6-ab87-72ff3164fb0b · Nov 5
£1,165 GBP
$1,560 USD
View
10 more retailers have this diamond
Prices start from £304 GBPSave up to £861 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
£304 GBP