Round|Natural|IGI

0.73ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 831667745

Shape and cutting style on the report: Round brilliant

Certificate IGI 831667745

Diamond specifications and retailer prices

From £496 GBP
As of November 5, 2026
Save £1,562 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,057 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 831667745. Listed at 13 retailers as of November 5, 2026, with prices from £496 to £2,057, a £1,562 spread on the same certified stone. NZ Jewellers lists it at £2,057. 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

0.73
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 831667745
Dimensions5.72 × 5.76 × 3.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeMedium
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.72 mm5.76 mm0.73 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831667745
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: MediumDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,057 GBP|Low: £496 GBP|High: £2,144 GBP|Avg: £864 GBP|-4.0%
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
November 6, 2026
Retailer 9£496 GBP
Retailer 12£606 GBP
Retailer 10£656 GBP
Retailer 11£667 GBP
Retailer 5£673 GBP
Retailer 13£681 GBP
Retailer 2£754 GBP
Retailer 8£757 GBP
Retailer 4£762 GBP
Retailer 7£788 GBP
Retailer 6£869 GBP
Retailer 3£1,203 GBP
NZ Jewellers£2,057 GBP

22 data points across 13 retailers

13 retailers£496 GBP to £2,057 GBP

A
Cheapest Retailer
-
£496 GBP
A
Retailer 2
-
£606 GBP
View
Final sale: no returns
A
Retailer 3
-
£656 GBP
View
A
Retailer 4
-
£667 GBP
View
Retailer 5
-
£673 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£681 GBP
View
A
Retailer 7
-
£754 GBP
View
A
Retailer 8
-
£757 GBP
View
A
Retailer 9
-
£762 GBP
View
A
Retailer 10
-
£788 GBP
View
A
Retailer 11
-
£869 GBP
View
B+
Retailer 12
-
£1,203 GBP
View
Most Expensive
B
NZ Jewellers
4267a4a8-c58f-41e0-b6e1-db9312492896 · Nov 5
£2,057 GBP
$2,769 USD
View
12 more retailers have this diamond
Prices start from £496 GBPSave up to £1,562 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
0.73ct Round
£496 GBP