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Oval|Natural|IGI

1.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 720526840

Shape and cutting style on the report: Oval brilliant

Certificate IGI 720526840

Diamond specifications and retailer prices

From $3,512 CAD
As of November 5, 2026
Save $4,687 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,199 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 720526840. Listed at 14 retailers as of November 5, 2026, with prices from $3,512 to $8,199, a $4,687 spread on the same certified stone. NZ Jewellers lists it at $8,199. 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

1.51
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.4°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 720526840
Dimensions9.16 × 6.48 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Top View
9.16 mm6.48 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 720526840
Side View
Table 58.0%Crown 33.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 61.9%

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: $4,787 CAD|Low: $3,512 CAD|High: $6,951 CAD|Avg: $4,426 CAD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$3,512 CAD
Retailer 4$3,818 CAD
Retailer 6$3,847 CAD
Retailer 7$3,922 CAD
Retailer 9$4,072 CAD
Retailer 2$4,224 CAD
Retailer 5$4,588 CAD
Retailer 1$4,787 CAD
Retailer 3$6,852 CAD

39 data points across 9 retailers

14 retailers$3,512 CAD to $8,199 CAD

A
Cheapest Retailer
-
$3,512 CAD
B+
Retailer 2
-
$3,739 CAD
View
A
Retailer 3
-
$3,818 CAD
View
B+
Retailer 4
-
$3,847 CAD
View
Retailer 5
-
$3,922 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,922 CAD
View
B+
Retailer 7
-
$4,072 CAD
View
B+
Retailer 8
-
$4,120 CAD
View
B+
Retailer 9
-
$4,224 CAD
View
B+
Retailer 10
-
$4,525 CAD
View
B+
Retailer 11
-
$4,588 CAD
View
B+
Retailer 12
-
$4,787 CAD
View
B
Retailer 13
-
$6,852 CAD
View
Most Expensive
B
NZ Jewellers
2dc671e7-14e7-4444-ab2c-7216e85e81f4 · Nov 5
$8,199 CAD
$5,829 USD
View
13 more retailers have this diamond
Prices start from $3,512 CADSave up to $4,687 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
1.51ct Oval
$3,512 CAD