Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2537721327

Certificate GIA 2537721327

Diamond specifications and retailer prices

From $626 CAD
As of November 6, 2026
Save $1,343 CAD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,680 CAD 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
Color
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: $626 CAD|Low: $539 CAD|High: $1,996 CAD|Avg: $1,066 CAD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$626 CAD
Retailer 6$788 CAD
Retailer 7$872 CAD
Retailer 5$920 CAD
Retailer 8$1,010 CAD
Retailer 2$1,039 CAD
Retailer 4$1,260 CAD
Retailer 3$1,969 CAD

41 data points across 8 retailers

19 retailers$626 CAD to $1,969 CAD

A
Cheapest Retailer
-
$626 CAD
B+
Retailer 2
-
$788 CAD
View
Final sale: no returns
B+
Retailer 3
-
$809 CAD
View
Retailer 4
-
$855 CAD
View
Price last confirmed 39 days ago
Retailer 5
-
$855 CAD
View
Price last confirmed 19 days ago
Retailer 6
-
$872 CAD
View
Price last confirmed 30 days ago
Retailer 7
-
$920 CAD
View
Price last confirmed 21 days ago
Retailer 8
-
$920 CAD
View
Price last confirmed 21 days ago
Retailer 9
-
$986 CAD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$986 CAD
View
Retailer 11
-
$986 CAD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$1,010 CAD
View
B+
Retailer 13
-
$1,039 CAD
View
B+
Retailer 14
-
$1,039 CAD
View
B
Retailer 15
-
$1,260 CAD
View
C
Retailer 16
-
$1,969 CAD
View
Retailer 17
-
$2,680 CAD
View
Price last confirmed 39 days ago
Retailer 18
-
$2,680 CAD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
81c7a6b7-caf1-4490-9eae-d224d2f4bbd6 · Oct 23
$2,680 CAD
$1,905 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from $626 CADSave up to $1,343 CAD

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
$626 CAD