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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 £1,697 GBP
$2,274 USD
As of October 31, 2026
Save £1,960 GBP (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,657 GBP 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 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 30, 2026, with prices from £1,697 to £3,657, a £1,960 spread on the same certified stone. NZ Jewellers lists it at £3,657. 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 31
Current: £3,657 GBP|Low: £1,669 GBP|High: £3,657 GBP|Avg: £2,212 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10£1,697 GBP
Retailer 2£1,706 GBP
Retailer 7£1,746 GBP
Retailer 6£1,749 GBP
Retailer 5£1,830 GBP
Retailer 9£1,855 GBP
Retailer 11£1,966 GBP
Retailer 8£2,154 GBP
Retailer 3£2,341 GBP
Retailer 4£3,065 GBP
NZ Jewellers£3,657 GBP

37 data points across 11 retailers

9 retailers£1,697 GBP to £3,657 GBP

A
Cheapest Retailer
-
£1,697 GBP
$2,274 USD
A
Retailer 2
-
£1,706 GBP
View
A
Retailer 3
-
£1,746 GBP
$2,340 USD
View
A
Retailer 4
-
£1,749 GBP
$2,344 USD
View
A
Retailer 5
-
£1,830 GBP
$2,452 USD
View
A
Retailer 6
-
£1,855 GBP
$2,486 USD
View
Retailer 7
-
£2,154 GBP
A$4,440 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
£3,065 GBP
View
Most Expensive
B
NZ Jewellers
f43b1e7f-e34d-42a1-a49f-b28d5dba449c · Oct 30
£3,657 GBP
$4,900 USD
View
8 more retailers have this diamond
Prices start from £1,697 GBPSave up to £1,960 GBP

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
£1,697 GBP