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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 $1,624 SGD
As of November 6, 2026
Save $3,763 SGD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,387 SGD 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 $1,624 to $5,387, a $3,763 spread on the same certified stone. NZ Jewellers lists it at $5,387. 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: $5,387 SGD|Low: $1,624 SGD|High: $5,598 SGD|Avg: $2,894 SGD|-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$1,624 SGD
Retailer 3$2,142 SGD
Retailer 9$2,208 SGD
Retailer 4$2,253 SGD
Retailer 2$2,280 SGD
Retailer 6$2,452 SGD
Retailer 5$3,391 SGD
Retailer 7$3,868 SGD
NZ Jewellers$5,387 SGD

22 data points across 9 retailers

9 retailers$1,624 SGD to $5,387 SGD

A
Cheapest Retailer
-
$1,624 SGD
A
Retailer 2
-
$2,142 SGD
View
B+
Retailer 3
-
$2,208 SGD
View
B+
Retailer 4
-
$2,253 SGD
View
B+
Retailer 5
-
$2,280 SGD
View
B+
Retailer 6
-
$2,452 SGD
View
B
Retailer 7
-
$3,391 SGD
View
B
Retailer 8
-
$3,868 SGD
View
Most Expensive
B
NZ Jewellers
b7b07ef0-7732-4e7b-be73-19d45009a439 · Nov 5
$5,387 SGD
$4,203 USD
View
8 more retailers have this diamond
Prices start from $1,624 SGDSave up to $3,763 SGD

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
$1,624 SGD