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Marquise|Lab Grown|IGI

1.11ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG797647801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797647801

Diamond specifications and retailer prices

From $348 USD
As of October 30, 2026
Save $547 USD (61%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $895 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.11ct lab-grown marquise diamond

This 1.11ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797647801 or 797647801. Listed at 3 retailers as of October 29, 2026, with prices from $348 to $895, a $547 spread on the same certified stone. MOH London lists it at $895. 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

1.11
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797647801
Dimensions11.63 × 5.52 × 3.22 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.63 mm5.52 mm1.11 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797647801
Side View
Table 61.0%Crown 31.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $895 USD|Low: $323 USD|High: $902 USD|Avg: $528 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 6$334 USD
Retailer 5$340 USD
Retailer 2$348 USD
Retailer 3$438 USD
Retailer 7$453 USD
MOH London$895 USD
Retailer 4$900 USD

11 data points across 7 retailers

3 retailers$348 USD to $895 USD

A
Cheapest Retailer
-
$348 USD
B+
Retailer 2
-
$438 USD
View
Most Expensive
B
MOH London
LG797647801 · Oct 29
$895 USD
£705 GBP
View
2 more retailers have this diamond
Prices start from $348 USDSave up to $547 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
1.11ct Marquise
$348 USD