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Oval|Natural|GIA

0.51ct K SI2 Oval Natural Diamond

VG • K/SI2 • GIA 2376441621

Certificate GIA 2376441621

Diamond specifications and retailer prices

From $681 CAD
As of November 5, 2026
Save $890 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,609 CAD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2376441621. Listed at 12 retailers as of November 1, 2026, with a 131% 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
K
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2376441621
Dimensions6.53 × 4.36 × 2.76 mm
L/W Ratio1.50
Top View
6.53 mm4.36 mm0.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2376441621
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.3%

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 5
Current: $2,609 CAD|Low: $681 CAD|High: $2,609 CAD|Avg: $922 CAD
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 12$681 CAD
Retailer 5$685 CAD
Retailer 9$733 CAD
Retailer 14$733 CAD
Retailer 6$751 CAD
Retailer 4$774 CAD
Retailer 13$785 CAD
Retailer 2$807 CAD
Retailer 8$836 CAD
Retailer 3$858 CAD
Retailer 15$865 CAD
Retailer 10$1,023 CAD
Retailer 7$1,034 CAD
Retailer 11$1,571 CAD
NZ Jewellers$2,609 CAD

30 data points across 15 retailers

12 retailers$681 CAD to $1,571 CAD

A
Cheapest Retailer
-
$681 CAD
B+
Retailer 2
-
$733 CAD
View
Retailer 3
-
$733 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$774 CAD
View
B+
Retailer 5
-
$785 CAD
View
B+
Retailer 6
-
$807 CAD
View
B
Retailer 7
-
$836 CAD
View
B
Retailer 8
-
$858 CAD
View
B
Retailer 9
-
$865 CAD
View
B
Retailer 10
-
$1,023 CAD
View
B
Retailer 11
-
$1,571 CAD
View
Most Expensive
NZ Jewellers
3b063a02-d0ae-491e-bb58-4125d27533c2 · Nov 5
$2,609 CAD
$1,855 USD
View
Price under review
11 more retailers have this diamond
Prices start from $681 CADSave up to $890 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
$681 CAD