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Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5403991543

Certificate GIA 5403991543

Diamond specifications and retailer prices

From $4,477 CAD
As of November 4, 2026
Save $6,018 CAD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,688 CAD at NZ Jewellers · As of September 10, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5403991543. Listed at 23 retailers as of November 4, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5403991543
Dimensions7.31 × 7.25 × 4.56 mm
L/W Ratio1.01
Top View
7.31 mm7.25 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5403991543
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: $10,495 CAD|Low: $4,032 CAD|High: $10,688 CAD|Avg: $6,635 CAD|-1.8%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 14$4,477 CAD
Retailer 6$4,630 CAD
Retailer 4$4,631 CAD
Retailer 7$4,707 CAD
Retailer 8$4,751 CAD
Retailer 5$4,803 CAD
Retailer 16$5,447 CAD
Retailer 3$5,458 CAD
Retailer 17$5,458 CAD
Retailer 19$5,458 CAD
Retailer 9$5,828 CAD
Retailer 18$5,940 CAD
Retailer 2$6,028 CAD
Retailer 10$6,297 CAD
Retailer 13$6,367 CAD
Retailer 12$6,810 CAD
Retailer 11$8,711 CAD
Retailer 15$9,595 CAD
NZ Jewellers$10,495 CAD

43 data points across 19 retailers

23 retailers$4,477 CAD to $10,495 CAD

A
Cheapest Retailer
-
$4,477 CAD
A
Retailer 2
-
$4,630 CAD
View
A
Retailer 3
-
$4,631 CAD
View
A
Retailer 4
-
$4,707 CAD
View
A
Retailer 5
-
$4,751 CAD
View
A
Retailer 6
-
$4,803 CAD
View
B+
Retailer 7
-
$5,447 CAD
View
B+
Retailer 8
-
$5,458 CAD
View
Retailer 9
-
$5,458 CAD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$5,458 CAD
View
Retailer 11
-
$5,558 CAD
View
Price last confirmed 56 days ago
Retailer 12
-
$5,672 CAD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$5,828 CAD
View
B+
Retailer 14
-
$5,940 CAD
View
B+
Retailer 15
-
$6,028 CAD
View
B+
Retailer 16
-
$6,297 CAD
View
B+
Retailer 17
-
$6,367 CAD
View
Retailer 18
-
$6,413 CAD
View
Price last confirmed 60 days ago
B+
Retailer 19
-
$6,810 CAD
View
B
Retailer 20
-
$8,711 CAD
View
B
Retailer 21
-
$9,595 CAD
View
B
Retailer 22
-
$10,495 CAD
View
Most Expensive
NZ Jewellers
b87281be-c421-4565-b3fd-f27d96f175c9 · Sep 10
$10,688 CAD
$7,653 USD
View
Price last confirmed 56 days ago
22 more retailers have this diamond
Prices start from $4,477 CADSave up to $6,018 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 Round
$4,477 CAD