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Marquise|Lab Grown|IGI

1.20ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG500165197

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500165197

Diamond specifications and retailer prices

From $1,402 CAD
As of November 4, 2026
Save $1,646 CAD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,481 CAD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG500165197 or 500165197. Listed at 16 retailers as of November 4, 2026, with a 117% 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

1.20
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500165197
Dimensions11.56 × 5.56 × 3.30 mm
L/W Ratio2.08
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
11.56 mm5.56 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500165197
Side View
Table 61.5%Crown 36.1°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 59.4%

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: $4,481 CAD|Low: $1,346 CAD|High: $5,588 CAD|Avg: $2,625 CAD
Flawless Fine Jewelry
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 4, 2026
Retailer 10$1,402 CAD
Retailer 3$1,526 CAD
Retailer 5$1,569 CAD
Retailer 11$1,603 CAD
Retailer 4$1,626 CAD
Retailer 12$1,626 CAD
Retailer 6$1,867 CAD
Retailer 2$2,320 CAD
Retailer 13$2,597 CAD
Retailer 7$2,992 CAD
Retailer 14$3,048 CAD
Retailer 9$4,236 CAD
Flawless Fine Jewelry$4,481 CAD
Retailer 8$5,514 CAD

45 data points across 14 retailers

16 retailers$1,402 CAD to $3,048 CAD

B+
Cheapest Retailer
-
$1,402 CAD
B
Retailer 2
-
$1,526 CAD
View
B
Retailer 3
-
$1,569 CAD
View
Final sale: no returns
B
Retailer 4
-
$1,603 CAD
View
Retailer 5
-
$1,626 CAD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,626 CAD
View
B
Retailer 7
-
$1,867 CAD
View
B
Retailer 8
-
$2,320 CAD
View
B
Retailer 9
-
$2,597 CAD
View
B
Retailer 10
-
$2,992 CAD
View
B
Retailer 11
-
$3,048 CAD
View
Retailer 12
-
$3,399 CAD
View
Price under review
Retailer 13
-
$4,236 CAD
View
Price under review
Most Expensive
Flawless Fine Jewelry
70973F999 · Nov 4
$4,481 CAD
£2,532 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $1,402 CADSave up to $1,646 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+
1.20ct Marquise
$1,402 CAD