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0.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG790627955

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790627955

Diamond specifications and retailer prices

From $273 AUD
$192 USD
As of October 28, 2026
Save $1,349 AUD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,622 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790627955 or 790627955. Listed at 6 retailers as of October 28, 2026, with prices from $273 to $1,622, a $1,349 spread on the same certified stone. MOH London lists it at $1,622. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790627955
Dimensions5.83 × 5.77 × 3.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.83 mm5.77 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790627955
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

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 28
Current: $1,622 AUD|Low: $256 AUD|High: $1,678 AUD|Avg: $569 AUD|+22.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$273 AUD
Retailer 3$355 AUD
Retailer 2$385 AUD
Retailer 6$512 AUD
Retailer 4$532 AUD
MOH London$1,622 AUD

39 data points across 6 retailers

6 retailers$273 AUD to $1,622 AUD

B+
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$355 AUD
€238 EUR
View
A
Retailer 3
-
$385 AUD
£213 GBP
View
B+
Retailer 4
-
$512 AUD
$360 USD
View
B+
Retailer 5
-
$532 AUD
$374 USD
View
Most Expensive
B
MOH London
LG790627955 · Oct 29
$1,622 AUD
£898 GBP
View
5 more retailers have this diamond
Prices start from $273 AUDSave up to $1,349 AUD

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
$273 AUD