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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 €311 EUR
$348 USD
As of November 1, 2026
Save €490 EUR (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €801 EUR 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 4 retailers as of October 29, 2026, with prices from €311 to €801, a €490 spread on the same certified stone. MOH London lists it at €801. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €801 EUR|Low: €289 EUR|High: €807 EUR|Avg: €470 EUR|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6€299 EUR
Retailer 5€305 EUR
Retailer 3€311 EUR
Retailer 4€392 EUR
Retailer 7€405 EUR
Retailer 2€582 EUR
MOH London€801 EUR

12 data points across 7 retailers

4 retailers€311 EUR to €801 EUR

A
Cheapest Retailer
-
€311 EUR
$348 USD
B+
Retailer 2
-
€392 EUR
$438 USD
View
B
Retailer 3
-
€582 EUR
$650 USD
View
Most Expensive
B
MOH London
LG797647801 · Oct 29
€801 EUR
£705 GBP
View
3 more retailers have this diamond
Prices start from €311 EURSave up to €490 EUR

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
€311 EUR