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Marquise|Lab Grown|IGI

1.14ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG787616184

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787616184

Diamond specifications and retailer prices

From $149 USD
As of October 30, 2026
Save $717 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $866 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.14ct lab-grown marquise diamond

This 1.14ct 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 LG787616184 or 787616184. Listed at 18 retailers as of October 29, 2026, with prices from $149 to $866, a $717 spread on the same certified stone. MOH London lists it at $866. 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

1.14
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787616184
Dimensions10.41 × 5.54 × 3.45 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.41 mm5.54 mm1.14 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787616184
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Oct 30
Current: $866 USD|Low: $143 USD|High: $1,010 USD|Avg: $399 USD|-0.6%
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
October 31, 2026
Retailer 12$149 USD
Retailer 5$166 USD
Retailer 4$172 USD
Retailer 13$184 USD
Retailer 8$240 USD
Retailer 2$319 USD
Retailer 10$323 USD
Retailer 9$359 USD
Retailer 6$460 USD
Retailer 11$469 USD
Retailer 3$592 USD
Retailer 7$670 USD
MOH London$866 USD

36 data points across 13 retailers

18 retailers$149 USD to $866 USD

A
Cheapest Retailer
-
$149 USD
A
Retailer 2
-
$166 USD
View
Final sale: no returns
A
Retailer 3
-
$172 USD
View
A
Retailer 4
-
$184 USD
View
A
Retailer 5
-
$184 USD
View
A
Retailer 6
-
$240 USD
£189 GBP
View
B+
Retailer 7
-
$250 USD
View
A
Retailer 8
-
$319 USD
£251 GBP
View
A
Retailer 9
-
$323 USD
€308 EUR
View
A
Retailer 10
-
$353 USD
View
A
Retailer 11
-
$359 USD
£283 GBP
View
B+
Retailer 12
-
$433 USD
View
B+
Retailer 13
-
$460 USD
A$708 AUD
View
B+
Retailer 14
-
$469 USD
View
B
Retailer 15
-
$592 USD
View
Retailer 16
-
$607 USD
View
Price last confirmed 83 days ago
B
Retailer 17
-
$670 USD
View
Most Expensive
B
MOH London
LG787616184 · Oct 29
$866 USD
£682 GBP
View
17 more retailers have this diamond
Prices start from $149 USDSave up to $717 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
1.14ct Marquise
$149 USD