CaratHunter
Plans
Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG835609047

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835609047

Diamond specifications and retailer prices

From $286 CAD
HK$1,600 HKD
As of October 30, 2026
Save $862 CAD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,148 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1.09ct lab-grown marquise diamond

This 1.09ct 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 LG835609047 or 835609047. Listed at 11 retailers as of October 25, 2026, with prices from $286 to $1,148, a $862 spread on the same certified stone. MOH London lists it at $1,148. 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

1.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609047
Dimensions10.51 × 5.55 × 3.35 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm5.55 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835609047
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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: $1,148 CAD|Low: $221 CAD|High: $1,174 CAD|Avg: $550 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 12$221 CAD
Retailer 8$286 CAD
Retailer 2$319 CAD
Retailer 5$418 CAD
Retailer 7$422 CAD
Retailer 11$455 CAD
Retailer 3$469 CAD
Retailer 6$527 CAD
Retailer 10$617 CAD
Retailer 4$677 CAD
Retailer 9$747 CAD
MOH London$1,148 CAD

34 data points across 12 retailers

11 retailers$286 CAD to $1,148 CAD

A
Cheapest Retailer
-
$286 CAD
HK$1,600 HKD
A
Retailer 2
-
$319 CAD
£180 GBP
View
A
Retailer 3
-
$418 CAD
£236 GBP
View
A
Retailer 4
-
$422 CAD
€288 EUR
View
B+
Retailer 5
-
$455 CAD
$326 USD
View
A
Retailer 6
-
$469 CAD
$336 USD
View
B+
Retailer 7
-
$527 CAD
£297 GBP
View
B+
Retailer 8
-
$617 CAD
$442 USD
View
B
Retailer 9
-
$677 CAD
SGD 655 SGD
View
B+
Retailer 10
-
$747 CAD
$535 USD
View
Most Expensive
B
MOH London
LG835609047 · Oct 25
$1,148 CAD
£647 GBP
View
10 more retailers have this diamond
Prices start from $286 CADSave up to $862 CAD

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
1.09ct Marquise
$286 CAD