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Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7543378953

Certificate GIA 7543378953

Diamond specifications and retailer prices

From $3,233 AUD
$2,274 USD
As of October 29, 2026
Save $3,734 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,967 AUD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543378953. Listed at 9 retailers as of October 27, 2026, with prices from $3,233 to $6,967, a $3,734 spread on the same certified stone. NZ Jewellers lists it at $6,967. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.13°
Pavilion angle32.83°
OriginNatural
Grading LabGIA
CertificateGIA 7543378953
Dimensions6.68 × 5.23 × 3.29 mm
L/W Ratio1.28
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
6.68 mm5.23 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7543378953
Side View
Table 74.0%Crown 40.13°Girdle: STK-THKPavilion 32.83°Culet: NoneDepth 62.9%

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: $6,967 AUD|Low: $3,179 AUD|High: $6,967 AUD|Avg: $4,214 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$3,233 AUD
Retailer 2$3,270 AUD
Retailer 7$3,327 AUD
Retailer 6$3,333 AUD
Retailer 5$3,486 AUD
Retailer 9$3,535 AUD
Retailer 11$3,746 AUD
Retailer 8$4,103 AUD
Retailer 3$4,460 AUD
Retailer 4$5,871 AUD
NZ Jewellers$6,967 AUD

36 data points across 11 retailers

9 retailers$3,233 AUD to $6,967 AUD

A
Cheapest Retailer
-
$3,233 AUD
$2,274 USD
A
Retailer 2
-
$3,270 AUD
£1,811 GBP
View
A
Retailer 3
-
$3,327 AUD
$2,340 USD
View
A
Retailer 4
-
$3,333 AUD
$2,344 USD
View
A
Retailer 5
-
$3,486 AUD
$2,452 USD
View
A
Retailer 6
-
$3,535 AUD
$2,486 USD
View
B+
Retailer 7
-
$4,103 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$5,871 AUD
£3,251 GBP
View
Most Expensive
B
NZ Jewellers
f43b1e7f-e34d-42a1-a49f-b28d5dba449c · Oct 27
$6,967 AUD
$4,900 USD
View
8 more retailers have this diamond
Prices start from $3,233 AUDSave up to $3,734 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
$3,233 AUD