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Radiant|Natural|GIA

1.50ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5553121313

Certificate GIA 5553121313

Diamond specifications and retailer prices

From $5,429 CAD
As of November 6, 2026
Save $4,934 CAD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,364 CAD at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553121313. Listed at 7 retailers as of November 3, 2026, with prices from $5,429 to $10,364, a $4,934 spread on the same certified stone. NZ Jewellers lists it at $10,364. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.93°
Pavilion angle35.53°
OriginNatural
Grading LabGIA
CertificateGIA 5553121313
Dimensions7.47 × 5.76 × 3.90 mm
L/W Ratio1.30
Top View
7.47 mm5.76 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553121313
Side View
Table 71.0%Crown 49.93°Girdle: Slightly ThickPavilion 35.53°Culet: NoneDepth 67.7%

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 6
Current: $10,364 CAD|Low: $5,429 CAD|High: $10,490 CAD|Avg: $6,973 CAD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$5,429 CAD
Retailer 7$5,434 CAD
Retailer 4$5,802 CAD
Retailer 2$5,949 CAD
Retailer 6$5,949 CAD
Retailer 9$6,034 CAD
Retailer 5$6,148 CAD
Retailer 10$6,877 CAD
Retailer 3$9,947 CAD
NZ Jewellers$10,364 CAD

33 data points across 10 retailers

7 retailers$5,429 CAD to $10,364 CAD

A
Cheapest Retailer
-
$5,429 CAD
A
Retailer 2
-
$5,802 CAD
View
A
Retailer 3
-
$5,949 CAD
View
A
Retailer 4
-
$5,949 CAD
View
A
Retailer 5
-
$6,148 CAD
View
B+
Retailer 6
-
$9,947 CAD
View
Most Expensive
B
NZ Jewellers
0d7ed5b2-88a6-4fce-b8d2-eab75be28984 · Nov 3
$10,364 CAD
$7,368 USD
View
6 more retailers have this diamond
Prices start from $5,429 CADSave up to $4,934 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
$5,429 CAD