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Radiant|Natural|IGI

1.51ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 828653791

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

Certificate IGI 828653791

Diamond specifications and retailer prices

From $5,926 CAD
As of November 6, 2026
Save $6,093 CAD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,019 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653791. Listed at 16 retailers as of November 5, 2026, with prices from $5,926 to $12,019, a $6,093 spread on the same certified stone. NZ Jewellers lists it at $12,019. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.1°
Pavilion angle28.7°
OriginNatural
Grading LabIGI
CertificateIGI 828653791
Dimensions7.61 × 5.56 × 3.71 mm
L/W Ratio1.37
Culet sizeNone
Top View
7.61 mm5.56 mm1.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653791
Side View
Table 67.0%Crown 51.1°Girdle: STK-THKPavilion 28.7°Culet: NoneDepth 66.7%

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: $12,019 CAD|Low: $5,926 CAD|High: $12,261 CAD|Avg: $7,566 CAD|-2.0%
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
Retailer 16
November 7, 2026
Retailer 12$5,926 CAD
Retailer 2$6,020 CAD
Retailer 11$6,272 CAD
Retailer 6$6,318 CAD
Retailer 13$6,368 CAD
Retailer 9$6,795 CAD
Retailer 10$6,819 CAD
Retailer 7$6,846 CAD
Retailer 5$6,898 CAD
Retailer 14$7,006 CAD
Retailer 8$7,037 CAD
Retailer 15$7,224 CAD
Retailer 16$7,840 CAD
Retailer 3$8,417 CAD
Retailer 4$10,957 CAD
NZ Jewellers$12,019 CAD

15 data points across 16 retailers

16 retailers$5,926 CAD to $12,019 CAD

A
Cheapest Retailer
-
$5,926 CAD
A
Retailer 2
-
$6,020 CAD
View
A
Retailer 3
-
$6,272 CAD
View
Final sale: no returns
A
Retailer 4
-
$6,318 CAD
View
A
Retailer 5
-
$6,368 CAD
View
A
Retailer 6
-
$6,795 CAD
View
A
Retailer 7
-
$6,819 CAD
View
B+
Retailer 8
-
$6,846 CAD
View
A
Retailer 9
-
$6,898 CAD
View
A
Retailer 10
-
$7,006 CAD
View
Retailer 11
-
$7,037 CAD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$7,224 CAD
View
B+
Retailer 13
-
$7,840 CAD
View
B+
Retailer 14
-
$8,417 CAD
View
B
Retailer 15
-
$10,957 CAD
View
Most Expensive
B
NZ Jewellers
f83d0672-7283-49fd-af05-b905100c3c1f · Nov 5
$12,019 CAD
$8,545 USD
View
15 more retailers have this diamond
Prices start from $5,926 CADSave up to $6,093 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
$5,926 CAD