CaratHunter
Plans
Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG514252420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG514252420

Diamond specifications and retailer prices

From $1,006 CAD
As of November 4, 2026
Save $3,579 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,585 CAD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252420 or 514252420. Listed at 15 retailers as of November 1, 2026, with prices from $1,006 to $4,585, a $3,579 spread on the same certified stone. MOH London lists it at $4,585. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252420
Dimensions10.27 × 5.16 × 2.92 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.27 mm5.16 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252420
Side View
Table 61.5%Crown 39.3°Girdle: STK-THKPavilion 33°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,585 CAD|Low: $966 CAD|High: $4,646 CAD|Avg: $2,349 CAD
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
November 2, 2026
Retailer 12$1,006 CAD
Retailer 3$1,095 CAD
Retailer 4$1,126 CAD
Retailer 14$1,168 CAD
Retailer 13$1,338 CAD
Retailer 10$1,414 CAD
Retailer 7$1,834 CAD
Retailer 16$1,894 CAD
Retailer 2$2,145 CAD
Retailer 11$2,876 CAD
Retailer 9$3,042 CAD
Retailer 15$3,283 CAD
Retailer 8$3,343 CAD
Retailer 5$3,631 CAD
Retailer 6$3,655 CAD
MOH London$4,585 CAD

24 data points across 16 retailers

15 retailers$1,006 CAD to $4,585 CAD

B+
Cheapest Retailer
-
$1,006 CAD
B+
Retailer 2
-
$1,095 CAD
View
B+
Retailer 3
-
$1,126 CAD
View
Final sale: no returns
Retailer 4
-
$1,168 CAD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,168 CAD
View
B+
Retailer 6
-
$1,338 CAD
View
B+
Retailer 7
-
$1,414 CAD
View
B
Retailer 8
-
$1,894 CAD
View
B
Retailer 9
-
$2,145 CAD
View
B
Retailer 10
-
$2,876 CAD
View
B
Retailer 11
-
$3,042 CAD
View
B
Retailer 12
-
$3,283 CAD
View
B
Retailer 13
-
$3,631 CAD
View
B
Retailer 14
-
$3,655 CAD
View
Most Expensive
B
MOH London
LG514252420 · Nov 1
$4,585 CAD
£2,591 GBP
View
14 more retailers have this diamond
Prices start from $1,006 CADSave up to $3,579 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.

B+
1.00ct Marquise
$1,006 CAD