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Marquise|Lab Grown|IGI

1.18ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG660425841

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG660425841

Diamond specifications and retailer prices

From $276 CAD
$197 USD
As of October 27, 2026
Save $1,333 CAD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,609 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660425841 or 660425841. Listed at 20 retailers as of October 27, 2026, with prices from $276 to $1,609, a $1,333 spread on the same certified stone. MOH London lists it at $1,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660425841
Dimensions10.91 × 5.58 × 10.91 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm5.58 mm1.18 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660425841
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 61.1%

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 27
Current: $1,609 CAD|Low: $308 CAD|High: $1,619 CAD|Avg: $829 CAD|+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
October 29, 2026
Retailer 3$308 CAD
Retailer 12$462 CAD
Retailer 5$576 CAD
Retailer 8$588 CAD
Retailer 2$624 CAD
Retailer 9$735 CAD
Retailer 11$788 CAD
Retailer 10$878 CAD
Retailer 7$1,001 CAD
Retailer 6$1,176 CAD
Retailer 4$1,344 CAD
MOH London$1,609 CAD

42 data points across 12 retailers

20 retailers$276 CAD to $1,609 CAD

A
Cheapest Retailer
-
$276 CAD
$197 USD
A
Retailer 2
-
$308 CAD
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$321 CAD
$229 USD
View
A
Retailer 4
-
$343 CAD
$245 USD
View
A
Retailer 5
-
$343 CAD
$245 USD
View
B+
Retailer 6
-
$462 CAD
$330 USD
View
A
Retailer 7
-
$576 CAD
€392 EUR
View
A
Retailer 8
-
$588 CAD
$420 USD
View
A
Retailer 9
-
$588 CAD
ZAR 6,786 ZAR
View
A
Retailer 10
-
$624 CAD
£351 GBP
View
B+
Retailer 11
-
$735 CAD
A$808 AUD
View
B+
Retailer 12
-
$788 CAD
$563 USD
View
B+
Retailer 13
-
$878 CAD
$627 USD
View
B+
Retailer 14
-
$1,001 CAD
A$1,100 AUD
View
B
Retailer 15
-
$1,100 CAD
$786 USD
View
B
Retailer 16
-
$1,157 CAD
$827 USD
View
B
Retailer 17
-
$1,176 CAD
$840 USD
View
B
Retailer 18
-
$1,176 CAD
$840 USD
View
B
Retailer 19
-
$1,344 CAD
£756 GBP
View
Most Expensive
B
MOH London
LG660425841 · Oct 29
$1,609 CAD
£905 GBP
View
19 more retailers have this diamond
Prices start from $276 CADSave up to $1,333 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
1.18ct Marquise
$276 CAD