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Radiant|Natural|GIA

1.02ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 1236810838

Certificate GIA 1236810838

Diamond specifications and retailer prices

From $3,019 CAD
As of November 5, 2026
Save $4,691 CAD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,710 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1236810838. Listed at 17 retailers as of November 5, 2026, with prices from $3,019 to $7,710, a $4,691 spread on the same certified stone. NZ Jewellers lists it at $7,710. 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

1.02
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1236810838
Dimensions6.38 × 5.22 × 3.70 mm
L/W Ratio1.22
Girdle conditionPolished
Cert comments
Clouds pinpoints and surface graining are not shown.
Key to symbols
Feather, Crystal
Top View
6.38 mm5.22 mm1.02 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1236810838
Side View
Table 69.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 70.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,710 CAD|Low: $3,083 CAD|High: $7,710 CAD|Avg: $4,160 CAD
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
November 7, 2026
Retailer 12$3,083 CAD
Retailer 11$3,223 CAD
Retailer 6$3,235 CAD
Retailer 3$3,334 CAD
Retailer 5$3,341 CAD
Retailer 7$3,341 CAD
Retailer 15$3,495 CAD
Retailer 14$3,640 CAD
Retailer 4$3,789 CAD
Retailer 2$3,902 CAD
Retailer 13$4,131 CAD
Retailer 9$4,501 CAD
Retailer 8$4,578 CAD
Retailer 10$6,442 CAD
NZ Jewellers$7,710 CAD

44 data points across 15 retailers

17 retailers$3,019 CAD to $7,710 CAD

B+
Cheapest Retailer
-
$3,019 CAD
B+
Retailer 2
-
$3,083 CAD
View
Final sale: no returns
B+
Retailer 3
-
$3,223 CAD
View
B+
Retailer 4
-
$3,235 CAD
View
B+
Retailer 5
-
$3,334 CAD
View
B+
Retailer 6
-
$3,341 CAD
View
Retailer 7
-
$3,341 CAD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,408 CAD
View
B
Retailer 9
-
$3,495 CAD
View
B
Retailer 10
-
$3,789 CAD
View
B
Retailer 11
-
$3,855 CAD
View
B
Retailer 12
-
$3,902 CAD
View
Retailer 13
-
$4,131 CAD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$4,501 CAD
View
B
Retailer 15
-
$4,578 CAD
View
B
Retailer 16
-
$6,442 CAD
View
Most Expensive
B
NZ Jewellers
6cfd1771-c680-41ac-b95e-bfae3f91d2e6 · Nov 5
$7,710 CAD
$5,481 USD
View
16 more retailers have this diamond
Prices start from $3,019 CADSave up to $4,691 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.

B+
1.02ct Radiant
$3,019 CAD