CaratHunter
Plans
Marquise|Lab Grown|IGI

0.73ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG530295905

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG530295905

Diamond specifications and retailer prices

From $236 AUD
$166 USD
As of October 27, 2026
Save $1,139 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,376 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown marquise diamond

This 0.73ct lab-grown marquise 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 LG530295905 or 530295905. Listed at 13 retailers as of October 27, 2026, with prices from $236 to $1,376, a $1,139 spread on the same certified stone. MOH London lists it at $1,376. 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 angle32.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530295905
Dimensions9.76 × 4.74 × 2.72 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.76 mm4.74 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530295905
Side View
Table 62.5%Crown 32.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 57.4%

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 27
Current: $1,376 AUD|Low: $186 AUD|High: $1,385 AUD|Avg: $588 AUD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$236 AUD
Retailer 4$263 AUD
Retailer 11$273 AUD
Retailer 8$293 AUD
Retailer 12$293 AUD
Retailer 2$518 AUD
Retailer 10$528 AUD
Retailer 3$621 AUD
Retailer 7$769 AUD
Retailer 9$941 AUD
Retailer 5$994 AUD
MOH London$1,376 AUD

43 data points across 12 retailers

13 retailers$236 AUD to $1,376 AUD

A
Cheapest Retailer
-
$236 AUD
$166 USD
A
Retailer 2
-
$263 AUD
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$273 AUD
$192 USD
View
A
Retailer 4
-
$293 AUD
$206 USD
View
A
Retailer 5
-
$293 AUD
$206 USD
View
B+
Retailer 6
-
$518 AUD
£286 GBP
View
B+
Retailer 7
-
$528 AUD
$371 USD
View
B+
Retailer 8
-
$583 AUD
HK$3,200 HKD
View
B+
Retailer 9
-
$621 AUD
$436 USD
View
B
Retailer 10
-
$769 AUD
$540 USD
View
B
Retailer 11
-
$941 AUD
$661 USD
View
B
Retailer 12
-
$994 AUD
$698 USD
View
Most Expensive
B
MOH London
LG530295905 · Oct 29
$1,376 AUD
£761 GBP
View
12 more retailers have this diamond
Prices start from $236 AUDSave up to $1,139 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 Marquise
$236 AUD