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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5242042566

Certificate GIA 5242042566

Diamond specifications and retailer prices

From $4,703 CAD
HK$26,300 HKD
As of October 31, 2026
Save $6,468 CAD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,171 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242042566. Listed at 9 retailers as of October 30, 2026, with prices from $4,703 to $11,171, a $6,468 spread on the same certified stone. NZ Jewellers lists it at $11,171. 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

1.51
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5242042566
Dimensions7.24 × 7.28 × 4.56 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.24 mm7.28 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242042566
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.8%

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: Oct 31
Current: $11,171 CAD|Low: $4,667 CAD|High: $11,946 CAD|Avg: $7,684 CAD|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$4,703 CAD
Retailer 9$5,983 CAD
Retailer 5$6,412 CAD
Retailer 7$6,412 CAD
Retailer 8$6,825 CAD
Retailer 4$7,268 CAD
Retailer 3$7,682 CAD
Retailer 6$10,268 CAD
NZ Jewellers$11,171 CAD

39 data points across 9 retailers

9 retailers$4,703 CAD to $11,171 CAD

A
Cheapest Retailer
-
$4,703 CAD
HK$26,300 HKD
B+
Retailer 2
-
$5,983 CAD
SGD 5,788 SGD
View
B+
Retailer 3
-
$6,412 CAD
$4,590 USD
View
B+
Retailer 4
-
$6,412 CAD
$4,590 USD
View
B+
Retailer 5
-
$6,825 CAD
$4,886 USD
View
B+
Retailer 6
-
$7,268 CAD
€4,955 EUR
View
B
Retailer 7
-
$7,682 CAD
£4,330 GBP
View
B
Retailer 8
-
$10,268 CAD
£5,788 GBP
View
Most Expensive
B
NZ Jewellers
94b0a966-6652-4bf5-97c4-71571a5704a1 · Oct 30
$11,171 CAD
$7,997 USD
View
8 more retailers have this diamond
Prices start from $4,703 CADSave up to $6,468 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
1.51ct Round
$4,703 CAD