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Round|Natural|IGI

0.73ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 815673446

Shape and cutting style on the report: Round brilliant

Certificate IGI 815673446

Diamond specifications and retailer prices

From £476 GBP
As of November 5, 2026
Save £692 GBP (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,103 GBP at NZ Jewellers · As of October 3, 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 815673446. Listed at 13 retailers as of November 1, 2026, with a 146% 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

0.73
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 815673446
Dimensions5.70 × 5.74 × 3.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.74 mm0.73 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815673446
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.3°CuletDepth 62.6%

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: £727 GBP|Low: £476 GBP|High: £1,233 GBP|Avg: £776 GBP|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£476 GBP
Retailer 7£580 GBP
Retailer 6£643 GBP
Retailer 1£727 GBP
Retailer 4£755 GBP
Retailer 2£829 GBP
Retailer 3£835 GBP
Retailer 8£1,168 GBP

27 data points across 8 retailers

13 retailers£476 GBP to £1,168 GBP

A
Cheapest Retailer
-
£476 GBP
A
Retailer 2
-
£580 GBP
View
Final sale: no returns
A
Retailer 3
-
£643 GBP
View
Retailer 4
-
£671 GBP
View
Price last confirmed 36 days ago
Retailer 5
-
£700 GBP
View
Price last confirmed 38 days ago
A
Retailer 6
-
£727 GBP
View
A
Retailer 7
-
£755 GBP
View
Retailer 8
-
£773 GBP
View
Price last confirmed 35 days ago
A
Retailer 9
-
£829 GBP
View
A
Retailer 10
-
£835 GBP
View
B+
Retailer 11
-
£887 GBP
View
B
Retailer 12
-
£1,168 GBP
View
Most Expensive
NZ Jewellers
23992140-9c04-4fb4-bb79-3ba8741c5ea9 · Oct 3
£2,103 GBP
$2,830 USD
View
Price last confirmed 34 days ago
12 more retailers have this diamond
Prices start from £476 GBPSave up to £692 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
£476 GBP