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Marquise|Lab Grown|IGI

1.10ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG738522830

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG738522830

Diamond specifications and retailer prices

From $143 USD
As of October 30, 2026
Save $691 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $834 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.1ct lab-grown marquise diamond

This 1.1ct 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 LG738522830 or 738522830. Listed at 13 retailers as of October 29, 2026, with prices from $143 to $834, a $691 spread on the same certified stone. MOH London lists it at $834. 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

1.10
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738522830
Dimensions10.76 × 5.42 × 3.38 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.76 mm5.42 mm1.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738522830
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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: $834 USD|Low: $143 USD|High: $1,100 USD|Avg: $448 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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 11$143 USD
Retailer 17$166 USD
Retailer 13$177 USD
Retailer 5$205 USD
Retailer 12$231 USD
Retailer 2$305 USD
Retailer 4$328 USD
Retailer 16$332 USD
Retailer 6$337 USD
Retailer 7$370 USD
Retailer 14$426 USD
Retailer 15$570 USD
Retailer 3$580 USD
Retailer 10$603 USD
MOH London$834 USD
Retailer 8$895 USD
Retailer 9$1,100 USD

4 data points across 17 retailers

13 retailers$143 USD to $834 USD

A
Cheapest Retailer
-
$143 USD
A
Retailer 2
-
$166 USD
View
A
Retailer 3
-
$177 USD
View
A
Retailer 4
-
$205 USD
HK$1,600 HKD
View
A
Retailer 5
-
$231 USD
£182 GBP
View
A
Retailer 6
-
$305 USD
£240 GBP
View
B+
Retailer 7
-
$328 USD
View
A
Retailer 8
-
$332 USD
View
A
Retailer 9
-
$337 USD
£265 GBP
View
B+
Retailer 10
-
$426 USD
View
B
Retailer 11
-
$570 USD
View
B
Retailer 12
-
$603 USD
View
Most Expensive
B
MOH London
LG738522830 · Oct 29
$834 USD
£657 GBP
View
12 more retailers have this diamond
Prices start from $143 USDSave up to $691 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
1.10ct Marquise
$143 USD