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Round|Natural|IGI

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 547275800

Shape and cutting style on the report: Round brilliant

Certificate IGI 547275800

Diamond specifications and retailer prices

From £1,990 GBP
As of November 4, 2026
Save £2,537 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,527 GBP at NZ Jewellers · As of November 5, 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 547275800. Listed at 15 retailers as of November 4, 2026, with prices from £1,990 to £4,527, a £2,537 spread on the same certified stone. NZ Jewellers lists it at £4,527. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35.9°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 547275800
Dimensions6.47 × 6.33 × 4.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
6.47 mm6.33 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 547275800
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: Nov 4
Current: £4,527 GBP|Low: £1,968 GBP|High: £4,527 GBP|Avg: £2,820 GBP
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
Retailer 15
November 5, 2026
Retailer 13£1,990 GBP
Retailer 7£2,108 GBP
Retailer 10£2,129 GBP
Retailer 11£2,173 GBP
Retailer 3£2,354 GBP
Retailer 14£2,354 GBP
Retailer 6£2,406 GBP
Retailer 12£2,444 GBP
Retailer 15£2,716 GBP
Retailer 8£2,838 GBP
Retailer 2£3,014 GBP
Retailer 4£3,092 GBP
Retailer 5£3,751 GBP
Retailer 9£4,334 GBP
NZ Jewellers£4,527 GBP

28 data points across 15 retailers

15 retailers£1,990 GBP to £4,527 GBP

A
Cheapest Retailer
-
£1,990 GBP
A
Retailer 2
-
£1,995 GBP
View
A
Retailer 3
-
£2,108 GBP
View
A
Retailer 4
-
£2,129 GBP
View
B+
Retailer 5
-
£2,173 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,354 GBP
View
Retailer 7
-
£2,354 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£2,406 GBP
View
B+
Retailer 9
-
£2,444 GBP
View
B+
Retailer 10
-
£2,716 GBP
View
B+
Retailer 11
-
£2,838 GBP
View
B
Retailer 12
-
£3,014 GBP
View
B
Retailer 13
-
£3,751 GBP
View
B
Retailer 14
-
£4,334 GBP
View
Most Expensive
B
NZ Jewellers
30ab4914-ab18-4ae4-aeca-a59fc2443101 · Nov 5
£4,527 GBP
$6,093 USD
View
14 more retailers have this diamond
Prices start from £1,990 GBPSave up to £2,537 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
£1,990 GBP