CaratHunter
Plans
Marquise|Lab Grown|IGI

1.21ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG799635199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799635199

Diamond specifications and retailer prices

From $286 CAD
As of November 4, 2026
Save $1,094 CAD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,660 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG799635199 or 799635199. Listed at 21 retailers as of November 4, 2026, with a 383% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635199
Dimensions11.12 × 5.51 × 3.42 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.51 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635199
Side View
Table 58.0%Crown 32.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

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: Nov 4
Current: $1,660 CAD|Low: $275 CAD|High: $1,678 CAD|Avg: $752 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 12$286 CAD
Retailer 3$354 CAD
Retailer 2$432 CAD
Retailer 10$592 CAD
Retailer 4$612 CAD
Retailer 7$612 CAD
Retailer 6$645 CAD
Retailer 11$867 CAD
Retailer 8$955 CAD
Retailer 9$1,087 CAD
Retailer 5$1,144 CAD
MOH London$1,660 CAD

37 data points across 12 retailers

21 retailers$286 CAD to $1,380 CAD

A
Cheapest Retailer
-
$286 CAD
A
Retailer 2
-
$332 CAD
View
A
Retailer 3
-
$354 CAD
View
Retailer 4
-
$354 CAD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$432 CAD
View
A
Retailer 6
-
$592 CAD
View
A
Retailer 7
-
$612 CAD
View
A
Retailer 8
-
$612 CAD
View
A
Retailer 9
-
$619 CAD
View
A
Retailer 10
-
$645 CAD
View
A
Retailer 11
-
$694 CAD
View
Retailer 12
-
$867 CAD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$922 CAD
View
B+
Retailer 14
-
$955 CAD
View
B+
Retailer 15
-
$1,087 CAD
View
B+
Retailer 16
-
$1,140 CAD
View
B
Retailer 17
-
$1,144 CAD
View
B
Retailer 18
-
$1,214 CAD
View
B
Retailer 19
-
$1,307 CAD
View
B
Retailer 20
-
$1,380 CAD
View
Most Expensive
MOH London
LG799635199 · Oct 26
$1,660 CAD
£938 GBP
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $286 CADSave up to $1,094 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
1.21ct Marquise
$286 CAD