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Marquise|Lab Grown|IGI

1.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837645791

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837645791

Diamond specifications and retailer prices

From $268 CAD
As of November 5, 2026
Save $986 CAD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,254 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837645791 or 837645791. Listed at 20 retailers as of November 4, 2026, with prices from $268 to $1,254, a $986 spread on the same certified stone. MOH London lists it at $1,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837645791
Dimensions10.84 × 5.10 × 3.10 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.84 mm5.10 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837645791
Side View
Table 62.0%Crown 34.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 60.8%

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: Nov 5
Current: $1,254 CAD|Low: $268 CAD|High: $1,272 CAD|Avg: $628 CAD|-1.4%
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
November 5, 2026
Retailer 13$268 CAD
Retailer 7$328 CAD
Retailer 14$437 CAD
Retailer 10$464 CAD
Retailer 2$465 CAD
Retailer 12$466 CAD
Retailer 3$490 CAD
Retailer 11$510 CAD
Retailer 9$655 CAD
Retailer 8$698 CAD
Retailer 5$736 CAD
Retailer 4$849 CAD
Retailer 6$940 CAD
MOH London$1,254 CAD

35 data points across 14 retailers

20 retailers$268 CAD to $1,254 CAD

Retailer 1
-
$216 CAD
Price last confirmed 36 days ago
Retailer 2
-
$251 CAD
View
Price last confirmed 37 days ago
Retailer 3
-
$265 CAD
View
Price last confirmed 37 days ago
Retailer 4
-
$268 CAD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$268 CAD
View
A
Retailer 6
-
$328 CAD
View
A
Retailer 7
-
$437 CAD
View
A
Retailer 8
-
$464 CAD
View
A
Retailer 9
-
$465 CAD
View
Retailer 10
-
$466 CAD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$490 CAD
View
A
Retailer 12
-
$510 CAD
View
B+
Retailer 13
-
$655 CAD
View
B+
Retailer 14
-
$698 CAD
View
B+
Retailer 15
-
$736 CAD
View
Retailer 16
-
$864 CAD
View
Price last confirmed 36 days ago
B+
Retailer 17
-
$864 CAD
View
B+
Retailer 18
-
$866 CAD
View
B
Retailer 19
-
$940 CAD
View
Most Expensive
B
MOH London
LG837645791 · Nov 4
$1,254 CAD
£707 GBP
View
19 more retailers have this diamond
Prices start from $268 CADSave up to $986 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
1.00ct Marquise
$268 CAD