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Radiant|Natural|GIA

1.20ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 5242041299

Certificate GIA 5242041299

Diamond specifications and retailer prices

From $2,633 CAD
$1,885 USD
As of October 29, 2026
Save $3,788 CAD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,422 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded J 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 5242041299. Listed at 7 retailers as of October 29, 2026, with prices from $2,633 to $6,422, a $3,788 spread on the same certified stone. NZ Jewellers lists it at $6,422. 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

1.20
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle57.45°
OriginNatural
Grading LabGIA
CertificateGIA 5242041299
Dimensions6.99 × 5.28 × 3.68 mm
L/W Ratio1.32
Key to symbols
Crystal, Feather, Knot, Needle
Top View
6.99 mm5.28 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242041299
Side View
Table 64.0%CrownGirdle: ThickPavilion 57.45°Culet: NoneDepth 69.7%

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 29
Current: $6,422 CAD|Low: $2,633 CAD|High: $6,811 CAD|Avg: $4,005 CAD|+8.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$2,633 CAD
Retailer 7$2,687 CAD
Retailer 6$2,755 CAD
Retailer 3$3,093 CAD
Retailer 4$4,034 CAD
Retailer 2$4,637 CAD
NZ Jewellers$6,422 CAD

28 data points across 7 retailers

7 retailers$2,633 CAD to $6,422 CAD

A
Cheapest Retailer
-
$2,633 CAD
$1,885 USD
A
Retailer 2
-
$2,687 CAD
SGD 2,599 SGD
View
A
Retailer 3
-
$2,755 CAD
$1,972 USD
View
B+
Retailer 4
-
$3,093 CAD
A$3,406 AUD
View
B
Retailer 5
-
$4,034 CAD
€2,750 EUR
View
B
Retailer 6
-
$4,637 CAD
£2,614 GBP
View
Most Expensive
B
NZ Jewellers
5f74f66d-002f-41ff-8926-7daef58a7c68 · Oct 30
$6,422 CAD
$4,597 USD
View
6 more retailers have this diamond
Prices start from $2,633 CADSave up to $3,788 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
1.20ct Radiant
$2,633 CAD