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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 $4,035 NZD
$2,274 USD
As of October 29, 2026
Save $4,659 NZD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,694 NZD 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 $4,035 to $8,694, a $4,659 spread on the same certified stone. NZ Jewellers lists it at $8,694. 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: $8,694 NZD|Low: $3,967 NZD|High: $8,694 NZD|Avg: $5,255 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$4,035 NZD
Retailer 2$4,069 NZD
Retailer 7$4,152 NZD
Retailer 6$4,159 NZD
Retailer 5$4,351 NZD
Retailer 9$4,411 NZD
Retailer 11$4,674 NZD
Retailer 8$5,120 NZD
Retailer 3$5,565 NZD
Retailer 4$7,326 NZD
NZ Jewellers$8,694 NZD

37 data points across 11 retailers

9 retailers$4,035 NZD to $8,694 NZD

A
Cheapest Retailer
-
$4,035 NZD
$2,274 USD
A
Retailer 2
-
$4,069 NZD
£1,806 GBP
View
A
Retailer 3
-
$4,152 NZD
$2,340 USD
View
A
Retailer 4
-
$4,159 NZD
$2,344 USD
View
A
Retailer 5
-
$4,351 NZD
$2,452 USD
View
A
Retailer 6
-
$4,411 NZD
$2,486 USD
View
Retailer 7
-
$5,120 NZD
A$4,440 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$7,326 NZD
£3,251 GBP
View
Most Expensive
B
NZ Jewellers
f43b1e7f-e34d-42a1-a49f-b28d5dba449c · Oct 27
$8,694 NZD
$4,900 USD
View
8 more retailers have this diamond
Prices start from $4,035 NZDSave up to $4,659 NZD

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
$4,035 NZD