Round|Natural|IGI

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 668466724

Shape and cutting style on the report: Round brilliant

Certificate IGI 668466724

Diamond specifications and retailer prices

From £836 GBP
As of November 2, 2026
Save £1,106 GBP (57%) vs most expensive(unlock to see where)
37 retailers carry this diamond
Most expensive: £2,712 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 668466724. Listed at 37 retailers as of November 2, 2026, with a 132% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 668466724
Dimensions6.44 × 6.41 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.44 mm6.41 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 668466724
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £1,302 GBP|Low: £834 GBP|High: £1,972 GBP|Avg: £1,243 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£836 GBP
Retailer 7£1,026 GBP
Retailer 4£1,036 GBP
Retailer 6£1,112 GBP
Retailer 8£1,145 GBP
Retailer 1£1,302 GBP
Retailer 2£1,430 GBP
Retailer 3£1,942 GBP

44 data points across 8 retailers

37 retailers£836 GBP to £1,942 GBP

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Cheapest Retailer
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£836 GBP
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Retailer 2
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£1,026 GBP
View
Final sale: no returns
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Retailer 3
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£1,031 GBP
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Retailer 4
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£1,036 GBP
View
Retailer 5
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£1,112 GBP
View
Price last confirmed 50 days ago
Retailer 6
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£1,112 GBP
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Price last confirmed 51 days ago
Retailer 7
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£1,112 GBP
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Price last confirmed 8 days ago
Retailer 8
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£1,112 GBP
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Price last confirmed 29 days ago
Retailer 9
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£1,112 GBP
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Price last confirmed 12 days ago
Retailer 10
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£1,112 GBP
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Price last confirmed 36 days ago
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Retailer 11
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£1,112 GBP
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Retailer 12
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£1,112 GBP
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Price last confirmed 28 days ago
Retailer 13
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£1,112 GBP
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Price last confirmed 29 days ago
Retailer 14
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£1,112 GBP
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Price last confirmed 23 days ago
Retailer 15
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£1,112 GBP
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Price last confirmed 15 days ago
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Retailer 16
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£1,145 GBP
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Retailer 17
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£1,164 GBP
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Retailer 18
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£1,164 GBP
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Price last confirmed 12 days ago
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Retailer 19
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£1,164 GBP
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Retailer 20
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£1,164 GBP
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Price last confirmed 38 days ago
Retailer 21
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£1,164 GBP
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Price last confirmed 15 days ago
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Retailer 22
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£1,213 GBP
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Retailer 23
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£1,283 GBP
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Price last confirmed 53 days ago
Retailer 24
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£1,283 GBP
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Price last confirmed 48 days ago
Retailer 25
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£1,283 GBP
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Price last confirmed 28 days ago
Retailer 26
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£1,283 GBP
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Price last confirmed 24 days ago
Retailer 27
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£1,283 GBP
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Price last confirmed 33 days ago
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Retailer 28
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£1,283 GBP
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Retailer 29
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£1,302 GBP
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Retailer 30
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£1,430 GBP
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Retailer 31
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£1,942 GBP
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Retailer 32
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£2,712 GBP
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Price last confirmed 52 days ago
Retailer 33
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£2,712 GBP
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Price last confirmed 48 days ago
Retailer 34
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£2,712 GBP
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Price last confirmed 28 days ago
Retailer 35
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£2,712 GBP
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Price last confirmed 23 days ago
Retailer 36
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£2,712 GBP
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Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
a6c571ee-e6d6-43bd-a62c-6c1cbe96b71e · Oct 17
£2,712 GBP
$3,650 USD
View
Price last confirmed 19 days ago
36 more retailers have this diamond
Prices start from £836 GBPSave up to £1,106 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 Round
£836 GBP