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Oval|Lab Grown|IGI

0.73ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG809639397

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809639397

Diamond specifications and retailer prices

From $420 AUD
$295 USD
As of October 25, 2026
Save $1,404 AUD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,824 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 0.73ct lab-grown oval diamond

This 0.73ct lab-grown oval 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 LG809639397 or 809639397. Listed at 4 retailers as of October 25, 2026, with prices from $420 to $1,824, a $1,404 spread on the same certified stone. MOH London lists it at $1,824. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809639397
Dimensions7.01 × 4.97 × 3.21 mm
L/W Ratio1.41
Girdle conditionFaceted
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
7.01 mm4.97 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809639397
Side View
Table 63.0%Crown 38.5°Girdle: MED-THKPavilion 41.2°CuletDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,824 AUD|Low: $402 AUD|High: $1,824 AUD|Avg: $718 AUD|+58.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 3$420 AUD
Retailer 2$428 AUD
Retailer 4$782 AUD
MOH London$1,824 AUD

10 data points across 4 retailers

4 retailers$420 AUD to $1,824 AUD

A
Cheapest Retailer
-
$420 AUD
$295 USD
A
Retailer 2
-
$428 AUD
£237 GBP
View
B+
Retailer 3
-
$782 AUD
$549 USD
View
Most Expensive
C
MOH London
LG809639397 · Oct 25
$1,824 AUD
£1,009 GBP
View
3 more retailers have this diamond
Prices start from $420 AUDSave up to $1,404 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 Oval
$420 AUD