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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 7558451105

Certificate GIA 7558451105

Diamond specifications and retailer prices

From $4,825 CAD
As of November 7, 2026
Save $3,913 CAD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,738 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558451105. Listed at 11 retailers as of November 5, 2026, with prices from $4,825 to $8,738, a $3,913 spread on the same certified stone. NZ Jewellers lists it at $8,738. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558451105
Dimensions7.75 × 5.36 × 3.81 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint
Top View
7.75 mm5.36 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558451105
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.0%

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 7
Current: $8,738 CAD|Low: $4,825 CAD|High: $8,738 CAD|Avg: $5,939 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$4,825 CAD
Retailer 4$4,865 CAD
Retailer 8$5,015 CAD
Retailer 10$5,015 CAD
Retailer 2$5,189 CAD
Retailer 11$5,207 CAD
Retailer 9$5,787 CAD
Retailer 5$5,837 CAD
Retailer 6$6,122 CAD
Retailer 7$8,364 CAD
NZ Jewellers$8,738 CAD

33 data points across 11 retailers

11 retailers$4,825 CAD to $8,738 CAD

A
Cheapest Retailer
-
$4,825 CAD
A
Retailer 2
-
$4,865 CAD
View
Retailer 3
-
$5,015 CAD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$5,015 CAD
View
A
Retailer 5
-
$5,189 CAD
View
B+
Retailer 6
-
$5,207 CAD
View
B+
Retailer 7
-
$5,787 CAD
View
B+
Retailer 8
-
$5,837 CAD
View
B+
Retailer 9
-
$6,122 CAD
View
B
Retailer 10
-
$8,364 CAD
View
Most Expensive
B
NZ Jewellers
1930ef7e-aff1-4fa7-af8f-e59a4e7b45cd · Nov 5
$8,738 CAD
$6,212 USD
View
10 more retailers have this diamond
Prices start from $4,825 CADSave up to $3,913 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
1.50ct Radiant
$4,825 CAD