Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2554814067

Certificate GIA 2554814067

Diamond specifications and retailer prices

From $5,619 CAD
As of November 7, 2026
Save $4,635 CAD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,254 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 2554814067. Listed at 11 retailers as of November 5, 2026, with prices from $5,619 to $10,254, a $4,635 spread on the same certified stone. NZ Jewellers lists it at $10,254. 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 2554814067
Dimensions8.21 × 5.67 × 3.80 mm
L/W Ratio1.45
Culet sizeNone
Top View
8.21 mm5.67 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554814067
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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: $10,254 CAD|Low: $5,619 CAD|High: $10,904 CAD|Avg: $7,050 CAD|-6.0%
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$5,619 CAD
Retailer 4$5,709 CAD
Retailer 8$5,885 CAD
Retailer 10$5,885 CAD
Retailer 11$5,885 CAD
Retailer 2$5,961 CAD
Retailer 5$6,622 CAD
Retailer 9$6,791 CAD
Retailer 6$7,184 CAD
Retailer 7$9,815 CAD
NZ Jewellers$10,254 CAD

29 data points across 11 retailers

11 retailers$5,619 CAD to $10,254 CAD

A
Cheapest Retailer
-
$5,619 CAD
B+
Retailer 2
-
$5,709 CAD
View
B+
Retailer 3
-
$5,885 CAD
View
Retailer 4
-
$5,885 CAD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$5,885 CAD
View
B+
Retailer 6
-
$5,961 CAD
View
B+
Retailer 7
-
$6,622 CAD
View
B+
Retailer 8
-
$6,791 CAD
View
B+
Retailer 9
-
$7,184 CAD
View
B
Retailer 10
-
$9,815 CAD
View
Most Expensive
B
NZ Jewellers
ed42692b-97ac-4d77-86b6-d376420476bd · Nov 5
$10,254 CAD
$7,290 USD
View
10 more retailers have this diamond
Prices start from $5,619 CADSave up to $4,635 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
$5,619 CAD