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 $131 USD
As of October 28, 2026
Save $1,048 USD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,179 USD 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 9 retailers as of October 28, 2026, with prices from $131 to $1,179, a $1,048 spread on the same certified stone. MOH London lists it at $1,179. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,179 USD|Low: $131 USD|High: $1,179 USD|Avg: $345 USD
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
October 29, 2026
Retailer 9$131 USD
Retailer 2$149 USD
Retailer 13$166 USD
Retailer 10$170 USD
Retailer 3$226 USD
Retailer 11$277 USD
Retailer 12$283 USD
Retailer 14$306 USD
Retailer 5$357 USD
Retailer 7$380 USD
Retailer 8$451 USD
Retailer 6$490 USD
Retailer 4$593 USD
MOH London$1,179 USD

2 data points across 14 retailers

9 retailers$131 USD to $1,179 USD

A
Cheapest Retailer
-
$131 USD
A
Retailer 2
-
$149 USD
View
A
Retailer 3
-
$166 USD
HK$1,300 HKD
View
B+
Retailer 4
-
$277 USD
View
B+
Retailer 5
-
$283 USD
£223 GBP
View
B+
Retailer 6
-
$306 USD
£241 GBP
View
B
Retailer 7
-
$380 USD
View
B
Retailer 8
-
$451 USD
View
Most Expensive
B
MOH London
LG651490565 · Oct 29
$1,179 USD
£928 GBP
View
8 more retailers have this diamond
Prices start from $131 USDSave up to $1,048 USD

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
$131 USD