Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2537721327

Certificate GIA 2537721327

Diamond specifications and retailer prices

From £332 GBP
As of November 7, 2026
Save £710 GBP (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,423 GBP at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2537721327. Listed at 20 retailers as of November 7, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537721327
Dimensions6.36 × 4.50 × 2.78 mm
L/W Ratio1.41
Top View
6.36 mm4.50 mm0.51 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537721327
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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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 7
Current: £332 GBP|Low: £286 GBP|High: £1,060 GBP|Avg: £566 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 1£332 GBP
Retailer 7£418 GBP
Retailer 8£463 GBP
Retailer 3£489 GBP
Retailer 2£513 GBP
Retailer 9£536 GBP
Retailer 5£552 GBP
Retailer 6£669 GBP
Retailer 4£1,042 GBP

41 data points across 9 retailers

20 retailers£332 GBP to £1,042 GBP

A
Cheapest Retailer
-
£332 GBP
B+
Retailer 2
-
£418 GBP
View
Final sale: no returns
B+
Retailer 3
-
£430 GBP
View
Retailer 4
-
£454 GBP
View
Price last confirmed 40 days ago
Retailer 5
-
£454 GBP
View
Price last confirmed 20 days ago
Retailer 6
-
£463 GBP
View
Price last confirmed 31 days ago
Retailer 7
-
£489 GBP
View
Price last confirmed 22 days ago
Retailer 8
-
£489 GBP
View
Price last confirmed 22 days ago
B+
Retailer 9
-
£513 GBP
View
Retailer 10
-
£524 GBP
View
Price last confirmed 40 days ago
B+
Retailer 11
-
£524 GBP
View
Retailer 12
-
£524 GBP
View
Price last confirmed 15 days ago
B+
Retailer 13
-
£536 GBP
View
B+
Retailer 14
-
£552 GBP
View
B+
Retailer 15
-
£552 GBP
View
B
Retailer 16
-
£669 GBP
View
B
Retailer 17
-
£1,042 GBP
View
Retailer 18
-
£1,423 GBP
View
Price last confirmed 40 days ago
Retailer 19
-
£1,423 GBP
View
Price last confirmed 21 days ago
Most Expensive
NZ Jewellers
81c7a6b7-caf1-4490-9eae-d224d2f4bbd6 · Oct 23
£1,423 GBP
$1,905 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from £332 GBPSave up to £710 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
0.51ct Oval
£332 GBP