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Radiant|Natural|IGI

1.51ct K SI2 Radiant Natural Diamond

VG • K/SI2 • IGI 660411129

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 660411129

Diamond specifications and retailer prices

From $2,438 CAD
As of November 4, 2026
Save $4,089 CAD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,527 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 660411129. Listed at 13 retailers as of November 4, 2026, with prices from $2,438 to $6,527, a $4,089 spread on the same certified stone. NZ Jewellers lists it at $6,527. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle45.8°
Pavilion angle31.6°
OriginNatural
Grading LabIGI
CertificateIGI 660411129
Dimensions7.20 × 5.77 × 3.99 mm
L/W Ratio1.25
Culet sizePointed
Top View
7.20 mm5.77 mm1.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 660411129
Side View
Table 66.0%Crown 45.8°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,527 CAD|Low: $2,438 CAD|High: $6,527 CAD|Avg: $3,267 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
November 6, 2026
Retailer 10$2,438 CAD
Retailer 12$2,613 CAD
Retailer 2$2,666 CAD
Retailer 8$2,675 CAD
Retailer 13$2,675 CAD
Retailer 3$2,677 CAD
Retailer 9$2,799 CAD
Retailer 11$2,808 CAD
Retailer 4$2,868 CAD
Retailer 14$3,087 CAD
Retailer 5$3,183 CAD
Retailer 6$3,656 CAD
Retailer 7$4,687 CAD
NZ Jewellers$6,527 CAD

38 data points across 14 retailers

13 retailers$2,438 CAD to $6,527 CAD

A
Cheapest Retailer
-
$2,438 CAD
B+
Retailer 2
-
$2,613 CAD
View
A
Retailer 3
-
$2,666 CAD
View
B+
Retailer 4
-
$2,675 CAD
View
Retailer 5
-
$2,675 CAD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$2,677 CAD
View
B+
Retailer 7
-
$2,799 CAD
View
B+
Retailer 8
-
$2,808 CAD
View
B+
Retailer 9
-
$2,868 CAD
View
Retailer 10
-
$3,087 CAD
View
Price last confirmed 61 days ago
B+
Retailer 11
-
$3,087 CAD
View
B+
Retailer 12
-
$4,687 CAD
View
Most Expensive
B
NZ Jewellers
befa1d0d-51a9-4245-bdd3-d044f374e15d · Nov 5
$6,527 CAD
$4,640 USD
View
12 more retailers have this diamond
Prices start from $2,438 CADSave up to $4,089 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 Radiant
$2,438 CAD