Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2537721327

Certificate GIA 2537721327

Diamond specifications and retailer prices

From €399 EUR
As of November 6, 2026
Save €855 EUR (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,706 EUR 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 19 retailers as of November 4, 2026, with a 215% 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 6
Current: €399 EUR|Low: €343 EUR|High: €1,271 EUR|Avg: €679 EUR|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1€399 EUR
Retailer 6€502 EUR
Retailer 7€555 EUR
Retailer 5€586 EUR
Retailer 8€643 EUR
Retailer 2€662 EUR
Retailer 4€803 EUR
Retailer 3€1,254 EUR

41 data points across 8 retailers

19 retailers€399 EUR to €1,254 EUR

A
Cheapest Retailer
-
€399 EUR
B+
Retailer 2
-
€502 EUR
View
Final sale: no returns
B+
Retailer 3
-
€515 EUR
View
Retailer 4
-
€545 EUR
View
Price last confirmed 39 days ago
Retailer 5
-
€545 EUR
View
Price last confirmed 19 days ago
Retailer 6
-
€555 EUR
View
Price last confirmed 30 days ago
Retailer 7
-
€586 EUR
View
Price last confirmed 21 days ago
Retailer 8
-
€586 EUR
View
Price last confirmed 21 days ago
Retailer 9
-
€628 EUR
View
Price last confirmed 39 days ago
B+
Retailer 10
-
€628 EUR
View
Retailer 11
-
€628 EUR
View
Price last confirmed 14 days ago
B+
Retailer 12
-
€643 EUR
View
B+
Retailer 13
-
€662 EUR
View
B+
Retailer 14
-
€662 EUR
View
B
Retailer 15
-
€803 EUR
View
C
Retailer 16
-
€1,254 EUR
View
Retailer 17
-
€1,706 EUR
View
Price last confirmed 39 days ago
Retailer 18
-
€1,706 EUR
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
81c7a6b7-caf1-4490-9eae-d224d2f4bbd6 · Oct 23
€1,706 EUR
$1,905 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from €399 EURSave up to €855 EUR

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
€399 EUR