Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619399

Diamond specifications and retailer prices

From $1,437 CAD
$1,028 USD
As of November 2, 2026
Save $5,536 CAD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,973 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG811619399 or 811619399. Listed at 24 retailers as of October 31, 2026, with prices from $1,437 to $6,973, a $5,536 spread on the same certified stone. Brilliant Earth lists it at $6,973. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619399
Dimensions9.35 × 6.66 × 4.01 mm
L/W Ratio1.40
Girdle conditionFaceted
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
9.35 mm6.66 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619399
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,973 CAD|Low: $1,379 CAD|High: $6,973 CAD|Avg: $2,947 CAD|+0.2%
Brilliant Earth
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 4$1,437 CAD
Retailer 15$1,562 CAD
Retailer 3$1,666 CAD
Retailer 16$1,666 CAD
Retailer 2$1,883 CAD
Retailer 11$1,907 CAD
Retailer 14$2,351 CAD
Retailer 7$2,383 CAD
Retailer 9$2,402 CAD
Retailer 12$2,729 CAD
Retailer 13$3,062 CAD
Retailer 5$3,123 CAD
Retailer 6$3,179 CAD
Retailer 8$4,919 CAD
Retailer 10$5,651 CAD
Brilliant Earth$6,973 CAD

37 data points across 16 retailers

24 retailers$1,437 CAD to $6,973 CAD

A
Cheapest Retailer
-
$1,437 CAD
$1,028 USD
A
Retailer 2
-
$1,562 CAD
$1,118 USD
View
A
Retailer 3
-
$1,608 CAD
$1,151 USD
View
Final sale: no returns
A
Retailer 4
-
$1,666 CAD
$1,192 USD
View
Retailer 5
-
$1,666 CAD
$1,192 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,824 CAD
$1,305 USD
View
A
Retailer 7
-
$1,883 CAD
£1,061 GBP
View
A
Retailer 8
-
$1,907 CAD
$1,365 USD
View
A
Retailer 9
-
$1,949 CAD
$1,395 USD
View
B+
Retailer 10
-
$2,351 CAD
A$2,588 AUD
View
A
Retailer 11
-
$2,383 CAD
$1,705 USD
View
A
Retailer 12
-
$2,402 CAD
£1,354 GBP
View
B+
Retailer 13
-
$2,729 CAD
€1,860 EUR
View
B+
Retailer 14
-
$3,062 CAD
ZAR 35,405 ZAR
View
B+
Retailer 15
-
$3,123 CAD
$2,235 USD
View
B+
Retailer 16
-
$3,179 CAD
$2,275 USD
View
B
Retailer 17
-
$4,600 CAD
£2,592 GBP
View
B
Retailer 18
-
$4,919 CAD
$3,520 USD
View
B
Retailer 19
-
$5,165 CAD
$3,696 USD
View
B
Retailer 20
-
$5,359 CAD
$3,835 USD
View
B
Retailer 21
-
$5,583 CAD
SGD 5,399 SGD
View
B
Retailer 22
-
$5,651 CAD
£3,184 GBP
View
B
Retailer 23
-
$5,813 CAD
$4,160 USD
View
Most Expensive
B
Brilliant Earth
20637611A · Oct 31
$6,973 CAD
$4,990 USD
View
23 more retailers have this diamond
Prices start from $1,437 CADSave up to $5,536 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
$1,437 CAD