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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611669

Diamond specifications and retailer prices

From $1,297 CAD
$928 USD
As of November 2, 2026
Save $4,611 CAD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,515 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611669 or 790611669. Listed at 22 retailers as of October 31, 2026, with a 356% 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

1.55
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611669
Dimensions11.57 × 6.09 × 3.86 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.57 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611669
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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 2
Current: $11,515 CAD|Low: $1,297 CAD|High: $11,515 CAD|Avg: $3,397 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 2, 2026
Retailer 10$1,297 CAD
Retailer 8$1,342 CAD
Retailer 19$1,411 CAD
Retailer 11$1,452 CAD
Retailer 9$1,504 CAD
Retailer 21$1,504 CAD
Retailer 20$1,747 CAD
Retailer 22$1,798 CAD
Retailer 4$2,021 CAD
Retailer 2$2,394 CAD
Retailer 3$2,409 CAD
Retailer 16$3,052 CAD
Retailer 14$3,112 CAD
Retailer 18$3,345 CAD
Retailer 15$4,579 CAD
Retailer 7$4,704 CAD
Retailer 5$4,867 CAD
Retailer 17$5,142 CAD
Retailer 13$5,631 CAD
Retailer 12$5,852 CAD
Retailer 6$5,908 CAD
Do Amore Diamonds$11,515 CAD

43 data points across 22 retailers

22 retailers$1,297 CAD to $5,908 CAD

A
Cheapest Retailer
-
$1,297 CAD
$928 USD
A
Retailer 2
-
$1,342 CAD
$960 USD
View
A
Retailer 3
-
$1,411 CAD
$1,010 USD
View
A
Retailer 4
-
$1,452 CAD
$1,039 USD
View
Final sale: no returns
Retailer 5
-
$1,504 CAD
$1,076 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,504 CAD
$1,076 USD
View
A
Retailer 7
-
$1,747 CAD
$1,250 USD
View
A
Retailer 8
-
$1,798 CAD
$1,287 USD
View
A
Retailer 9
-
$2,021 CAD
HK$11,300 HKD
View
A
Retailer 10
-
$2,394 CAD
£1,349 GBP
View
A
Retailer 11
-
$2,409 CAD
$1,724 USD
View
B+
Retailer 12
-
$3,052 CAD
ZAR 35,281 ZAR
View
B+
Retailer 13
-
$3,112 CAD
$2,227 USD
View
B+
Retailer 14
-
$3,345 CAD
$2,394 USD
View
B
Retailer 15
-
$4,579 CAD
£2,580 GBP
View
B+
Retailer 16
-
$4,704 CAD
$3,366 USD
View
B
Retailer 17
-
$4,867 CAD
$3,483 USD
View
B
Retailer 18
-
$5,142 CAD
$3,680 USD
View
B
Retailer 19
-
$5,631 CAD
£3,173 GBP
View
B
Retailer 20
-
$5,852 CAD
SGD 5,659 SGD
View
B
Retailer 21
-
$5,908 CAD
$4,228 USD
View
Most Expensive
Do Amore Diamonds
27-B7711CEBB · Nov 2
$11,515 CAD
$8,240 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,297 CADSave up to $4,611 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
1.55ct Marquise
$1,297 CAD