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Oval|Natural|IGI

0.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 815656298

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815656298

Diamond specifications and retailer prices

From $536 CAD
As of November 5, 2026
Save $1,724 CAD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,260 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656298. Listed at 15 retailers as of November 5, 2026, with prices from $536 to $2,260, a $1,724 spread on the same certified stone. NZ Jewellers lists it at $2,260. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.5°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 815656298
Dimensions6.30 × 4.40 × 2.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Top View
6.30 mm4.40 mm0.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656298
Side View
Table 58.0%Crown 39.5°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: $2,260 CAD|Low: $536 CAD|High: $2,310 CAD|Avg: $886 CAD|-2.1%
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 11$536 CAD
Retailer 7$549 CAD
Retailer 12$589 CAD
Retailer 13$636 CAD
Retailer 6$641 CAD
Retailer 10$681 CAD
Retailer 9$684 CAD
Retailer 3$689 CAD
Retailer 2$719 CAD
Retailer 5$814 CAD
Retailer 14$909 CAD
Retailer 15$916 CAD
Retailer 8$951 CAD
Retailer 4$1,364 CAD
NZ Jewellers$2,260 CAD

18 data points across 15 retailers

15 retailers$536 CAD to $2,260 CAD

A
Cheapest Retailer
-
$536 CAD
Retailer 2
-
$549 CAD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$589 CAD
View
A
Retailer 4
-
$636 CAD
View
Retailer 5
-
$641 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$681 CAD
View
B+
Retailer 7
-
$684 CAD
View
B+
Retailer 8
-
$689 CAD
View
B+
Retailer 9
-
$719 CAD
View
B+
Retailer 10
-
$814 CAD
View
B
Retailer 11
-
$909 CAD
View
B
Retailer 12
-
$916 CAD
View
B
Retailer 13
-
$951 CAD
View
B
Retailer 14
-
$1,364 CAD
View
Most Expensive
C
NZ Jewellers
d3d89fb4-5f5c-4fd9-8d0d-1a0c11664320 · Nov 5
$2,260 CAD
$1,607 USD
View
14 more retailers have this diamond
Prices start from $536 CADSave up to $1,724 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
$536 CAD