Radiant|Natural|GIA

1.50ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5241008507

Certificate GIA 5241008507

Diamond specifications and retailer prices

From $6,283 CAD
As of November 6, 2026
Save $7,352 CAD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,636 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 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 5241008507. Listed at 17 retailers as of November 5, 2026, with prices from $6,283 to $13,636, a $7,352 spread on the same certified stone. NZ Jewellers lists it at $13,636. 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 angle36.83°
Pavilion angle53.91°
OriginNatural
Grading LabGIA
CertificateGIA 5241008507
Dimensions7.62 × 5.91 × 4.13 mm
L/W Ratio1.29
Culet sizeNone
Key to symbols
Feather
Top View
7.62 mm5.91 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241008507
Side View
Table 67.0%Crown 36.83°Girdle: THN-STKPavilion 53.91°Culet: NoneDepth 69.8%

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: $7,874 CAD|Low: $6,283 CAD|High: $12,156 CAD|Avg: $8,346 CAD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 6$6,283 CAD
Retailer 2$6,338 CAD
Retailer 7$7,525 CAD
Retailer 1$7,874 CAD
Retailer 3$7,909 CAD
Retailer 4$8,857 CAD
Retailer 5$11,979 CAD

29 data points across 7 retailers

17 retailers$6,283 CAD to $13,636 CAD

A
Cheapest Retailer
-
$6,283 CAD
A
Retailer 2
-
$6,338 CAD
View
A
Retailer 3
-
$6,898 CAD
View
A
Retailer 4
-
$7,110 CAD
View
Retailer 5
-
$7,158 CAD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$7,525 CAD
View
Final sale: no returns
B+
Retailer 7
-
$7,874 CAD
View
B+
Retailer 8
-
$7,909 CAD
View
B+
Retailer 9
-
$8,088 CAD
View
B+
Retailer 10
-
$8,153 CAD
View
Retailer 11
-
$8,153 CAD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$8,153 CAD
View
B+
Retailer 13
-
$8,371 CAD
View
B+
Retailer 14
-
$8,857 CAD
View
B+
Retailer 15
-
$9,406 CAD
View
B
Retailer 16
-
$11,979 CAD
View
Most Expensive
B
NZ Jewellers
00fd1fdc-4ea6-46a2-8f59-2f80fa684701 · Nov 5
$13,636 CAD
$9,694 USD
View
16 more retailers have this diamond
Prices start from $6,283 CADSave up to $7,352 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
$6,283 CAD