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Radiant|Natural|GIA

1.02ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 5566543931

Certificate GIA 5566543931

Diamond specifications and retailer prices

From €1,328 EUR
$1,484 USD
As of October 31, 2026
Save €2,185 EUR (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,513 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566543931. Listed at 14 retailers as of October 30, 2026, with prices from €1,328 to €3,513, a €2,185 spread on the same certified stone. NZ Jewellers lists it at €3,513. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566543931
Dimensions6.69 × 4.78 × 3.43 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
6.69 mm4.78 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566543931
Side View
Table 61.5%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.0%

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: €3,513 EUR|Low: €1,328 EUR|High: €3,513 EUR|Avg: €1,695 EUR
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
October 31, 2026
Retailer 13€1,328 EUR
Retailer 10€1,335 EUR
Retailer 3€1,440 EUR
Retailer 5€1,440 EUR
Retailer 12€1,448 EUR
Retailer 9€1,449 EUR
Retailer 4€1,506 EUR
Retailer 11€1,562 EUR
Retailer 7€1,600 EUR
Retailer 2€1,662 EUR
Retailer 14€1,662 EUR
Retailer 8€1,967 EUR
Retailer 6€2,537 EUR
NZ Jewellers€3,513 EUR

4 data points across 14 retailers

14 retailers€1,328 EUR to €3,513 EUR

A
Cheapest Retailer
-
€1,328 EUR
$1,484 USD
Final sale: no returns
A
Retailer 2
-
€1,335 EUR
$1,491 USD
View
B+
Retailer 3
-
€1,440 EUR
$1,609 USD
View
B+
Retailer 4
-
€1,440 EUR
$1,609 USD
View
B+
Retailer 5
-
€1,448 EUR
£1,273 GBP
View
B+
Retailer 6
-
€1,449 EUR
$1,619 USD
View
B+
Retailer 7
-
€1,506 EUR
$1,683 USD
View
B+
Retailer 8
-
€1,562 EUR
$1,745 USD
View
B+
Retailer 9
-
€1,600 EUR
£1,408 GBP
View
B+
Retailer 10
-
€1,662 EUR
$1,857 USD
View
B+
Retailer 11
-
€1,662 EUR
$1,857 USD
View
B
Retailer 12
-
€1,967 EUR
View
B
Retailer 13
-
€2,537 EUR
£2,232 GBP
View
Most Expensive
C
NZ Jewellers
08d7ba4e-f726-45f5-a1ce-e87583ccfab6 · Oct 30
€3,513 EUR
$3,925 USD
View
13 more retailers have this diamond
Prices start from €1,328 EURSave up to €2,185 EUR

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
€1,328 EUR