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Marquise|Lab Grown|IGI

0.73ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG787667428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787667428

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of November 1, 2026
Save $1,180 AUD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,553 AUD at MOH London · As of October 26, 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 very-good cut grade and certified by IGI LG787667428 or 787667428. Listed at 3 retailers as of October 26, 2026, with prices from $373 to $1,553, a $1,180 spread on the same certified stone. MOH London lists it at $1,553. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787667428
Dimensions9.82 × 4.70 × 2.77 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.82 mm4.70 mm0.73 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG787667428
Side View
Table 67.0%Crown 34.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 58.9%

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 1
Current: $1,553 AUD|Low: $366 AUD|High: $1,732 AUD|Avg: $645 AUD|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 2$373 AUD
Retailer 4$381 AUD
Retailer 5$409 AUD
Retailer 3$525 AUD
Retailer 6$532 AUD
Retailer 7$741 AUD
MOH London$1,553 AUD

10 data points across 7 retailers

3 retailers$373 AUD to $1,553 AUD

A
Cheapest Retailer
-
$373 AUD
$262 USD
B+
Retailer 2
-
$525 AUD
$369 USD
View
Most Expensive
B
MOH London
LG787667428 · Oct 26
$1,553 AUD
£859 GBP
View
2 more retailers have this diamond
Prices start from $373 AUDSave up to $1,180 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
$373 AUD