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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG784639705

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784639705

Diamond specifications and retailer prices

From $1,322 CAD
As of October 30, 2026
Save $427 CAD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,749 CAD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784639705 or 784639705. Listed at 2 retailers as of October 30, 2026, with prices from $1,322 to $1,749, a $427 spread on the same certified stone. The Diamond Guys lists it at $1,749. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639705
Dimensions11.51 × 6.10 × 3.88 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm6.10 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639705
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,322 CAD|Low: $268 CAD|High: $3,269 CAD|Avg: $1,322 CAD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$606 CAD
Retailer 7$668 CAD
Retailer 10$879 CAD
Retailer 5$928 CAD
Retailer 2$935 CAD
Retailer 8$1,193 CAD
Retailer 1$1,322 CAD
Retailer 3$1,356 CAD
Retailer 9$1,681 CAD
The Diamond Guys$1,749 CAD
Retailer 12$1,813 CAD
Retailer 6$1,967 CAD
Retailer 11$3,157 CAD

35 data points across 13 retailers

2 retailers$1,322 CAD to $1,749 CAD

B
Cheapest Retailer
-
$1,322 CAD
Most Expensive
B
The Diamond Guys
1952043952 · Nov 1
$1,749 CAD
$1,252 USD
View
1 more retailer has this diamond
Prices start from $1,322 CADSave up to $427 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
1.55ct Marquise
$1,322 CAD