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Marquise|Lab Grown|IGI

0.77ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG651490565

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG651490565

Diamond specifications and retailer prices

From $161 AUD
$113 USD
As of October 30, 2026
Save $1,517 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,678 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.77ct lab-grown marquise diamond

This 0.77ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651490565 or 651490565. Listed at 10 retailers as of October 29, 2026, with prices from $161 to $1,678, a $1,517 spread on the same certified stone. MOH London lists it at $1,678. 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

0.77
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651490565
Dimensions9.19 × 4.79 × 3.01 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.19 mm4.79 mm0.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651490565
Side View
Table 53.0%Crown 35.1°Girdle: STK-THKPavilion 39°Culet: NoneDepth 62.8%

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: $1,678 AUD|Low: $161 AUD|High: $1,678 AUD|Avg: $494 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
October 30, 2026
Retailer 2$161 AUD
Retailer 12$186 AUD
Retailer 9$212 AUD
Retailer 15$237 AUD
Retailer 13$242 AUD
Retailer 4$321 AUD
Retailer 14$394 AUD
Retailer 8$404 AUD
Retailer 3$435 AUD
Retailer 6$508 AUD
Retailer 10$541 AUD
Retailer 11$642 AUD
Retailer 7$697 AUD
Retailer 5$845 AUD
MOH London$1,678 AUD

3 data points across 15 retailers

10 retailers$161 AUD to $1,678 AUD

A
Cheapest Retailer
-
$161 AUD
$113 USD
A
Retailer 2
-
$186 AUD
$131 USD
View
A
Retailer 3
-
$212 AUD
$149 USD
View
A
Retailer 4
-
$237 AUD
HK$1,300 HKD
View
B+
Retailer 5
-
$394 AUD
$277 USD
View
B+
Retailer 6
-
$404 AUD
£224 GBP
View
B+
Retailer 7
-
$435 AUD
£241 GBP
View
B
Retailer 8
-
$541 AUD
$380 USD
View
B
Retailer 9
-
$642 AUD
$451 USD
View
Most Expensive
B
MOH London
LG651490565 · Oct 29
$1,678 AUD
£928 GBP
View
9 more retailers have this diamond
Prices start from $161 AUDSave up to $1,517 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
0.77ct Marquise
$161 AUD