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Radiant|Natural|GIA

1.02ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2245085527

Certificate GIA 2245085527

Diamond specifications and retailer prices

From $1,844 AUD
As of November 6, 2026
Save $4,273 AUD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,117 AUD 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 2245085527. Listed at 9 retailers as of November 5, 2026, with prices from $1,844 to $6,117, a $4,273 spread on the same certified stone. NZ Jewellers lists it at $6,117. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle57.96°
OriginNatural
Grading LabGIA
CertificateGIA 2245085527
Dimensions6.97 × 4.97 × 3.44 mm
L/W Ratio1.40
Key to symbols
Crystal, Knot, Cloud, Needle
Top View
6.97 mm4.97 mm1.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245085527
Side View
Table 66.0%CrownGirdle: MED-STKPavilion 57.96°Culet: NoneDepth 69.2%

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 6
Current: $6,117 AUD|Low: $1,844 AUD|High: $6,357 AUD|Avg: $3,286 AUD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$1,844 AUD
Retailer 3$2,432 AUD
Retailer 9$2,508 AUD
Retailer 4$2,559 AUD
Retailer 2$2,589 AUD
Retailer 6$2,784 AUD
Retailer 5$3,851 AUD
Retailer 7$4,392 AUD
NZ Jewellers$6,117 AUD

22 data points across 9 retailers

9 retailers$1,844 AUD to $6,117 AUD

A
Cheapest Retailer
-
$1,844 AUD
A
Retailer 2
-
$2,432 AUD
View
B+
Retailer 3
-
$2,508 AUD
View
B+
Retailer 4
-
$2,559 AUD
View
B+
Retailer 5
-
$2,589 AUD
View
B+
Retailer 6
-
$2,784 AUD
View
B
Retailer 7
-
$3,851 AUD
View
B
Retailer 8
-
$4,392 AUD
View
Most Expensive
B
NZ Jewellers
b7b07ef0-7732-4e7b-be73-19d45009a439 · Nov 5
$6,117 AUD
$4,203 USD
View
8 more retailers have this diamond
Prices start from $1,844 AUDSave up to $4,273 AUD

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
1.02ct Radiant
$1,844 AUD