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Marquise|Lab Grown|IGI

0.73ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG652428166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG652428166

Diamond specifications and retailer prices

From $134 AUD
$94 USD
As of October 30, 2026
Save $1,085 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,219 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652428166 or 652428166. Listed at 11 retailers as of October 29, 2026, with prices from $134 to $1,219, a $1,085 spread on the same certified stone. MOH London lists it at $1,219. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652428166
Dimensions9.22 × 4.75 × 3.03 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.22 mm4.75 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652428166
Side View
Table 56.0%Crown 36.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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 30
Current: $1,219 AUD|Low: $134 AUD|High: $1,219 AUD|Avg: $449 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 10$134 AUD
Retailer 14$154 AUD
Retailer 11$175 AUD
Retailer 16$200 AUD
Retailer 15$278 AUD
Retailer 5$303 AUD
Retailer 2$309 AUD
Retailer 4$345 AUD
Retailer 3$360 AUD
Retailer 12$508 AUD
Retailer 13$531 AUD
Retailer 7$559 AUD
Retailer 9$592 AUD
Retailer 8$783 AUD
Retailer 6$811 AUD
MOH London$1,219 AUD

4 data points across 16 retailers

11 retailers$134 AUD to $1,219 AUD

A
Cheapest Retailer
-
$134 AUD
$94 USD
A
Retailer 2
-
$154 AUD
$108 USD
View
A
Retailer 3
-
$175 AUD
$123 USD
View
A
Retailer 4
-
$200 AUD
HK$1,100 HKD
View
A
Retailer 5
-
$309 AUD
£171 GBP
View
A
Retailer 6
-
$345 AUD
$242 USD
View
A
Retailer 7
-
$360 AUD
£199 GBP
View
B+
Retailer 8
-
$508 AUD
$357 USD
View
B+
Retailer 9
-
$531 AUD
$373 USD
View
B+
Retailer 10
-
$592 AUD
$416 USD
View
Most Expensive
B
MOH London
LG652428166 · Oct 29
$1,219 AUD
£674 GBP
View
10 more retailers have this diamond
Prices start from $134 AUDSave up to $1,085 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
$134 AUD