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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611819

Diamond specifications and retailer prices

From $1,307 CAD
$935 USD
As of November 2, 2026
Save $5,652 CAD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,959 CAD at Brilliant Earth · As of November 2, 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 LG790611819 or 790611819. Listed at 24 retailers as of November 2, 2026, with prices from $1,307 to $6,959, a $5,652 spread on the same certified stone. Brilliant Earth lists it at $6,959. 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 angle35.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611819
Dimensions11.81 × 6.10 × 3.82 mm
L/W Ratio1.94
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
11.81 mm6.10 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611819
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: $6,959 CAD|Low: $1,307 CAD|High: $6,959 CAD|Avg: $3,069 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 2, 2026
Retailer 15$1,307 CAD
Retailer 5$1,421 CAD
Retailer 11$1,463 CAD
Retailer 4$1,516 CAD
Retailer 19$1,516 CAD
Retailer 3$1,753 CAD
Retailer 17$1,761 CAD
Retailer 22$1,779 CAD
Retailer 9$1,810 CAD
Retailer 2$2,336 CAD
Retailer 18$2,409 CAD
Retailer 10$2,427 CAD
Retailer 16$2,786 CAD
Retailer 21$3,372 CAD
Retailer 8$4,195 CAD
Retailer 20$4,262 CAD
Retailer 6$4,743 CAD
Retailer 12$4,946 CAD
Retailer 14$5,088 CAD
Retailer 13$5,168 CAD
Retailer 7$5,273 CAD
Brilliant Earth$6,959 CAD

38 data points across 22 retailers

24 retailers$1,307 CAD to $6,959 CAD

A
Cheapest Retailer
-
$1,307 CAD
$935 USD
A
Retailer 2
-
$1,421 CAD
$1,017 USD
View
A
Retailer 3
-
$1,463 CAD
$1,047 USD
View
Final sale: no returns
Retailer 4
-
$1,516 CAD
$1,085 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,516 CAD
$1,085 USD
View
A
Retailer 6
-
$1,753 CAD
HK$9,800 HKD
View
A
Retailer 7
-
$1,761 CAD
$1,260 USD
View
A
Retailer 8
-
$1,779 CAD
$1,273 USD
View
A
Retailer 9
-
$1,810 CAD
$1,295 USD
View
A
Retailer 10
-
$2,336 CAD
£1,316 GBP
View
B+
Retailer 11
-
$2,409 CAD
€1,642 EUR
View
A
Retailer 12
-
$2,427 CAD
$1,737 USD
View
B+
Retailer 13
-
$2,786 CAD
ZAR 32,213 ZAR
View
B+
Retailer 14
-
$3,372 CAD
$2,413 USD
View
B
Retailer 15
-
$4,195 CAD
£2,364 GBP
View
B
Retailer 16
-
$4,262 CAD
$3,050 USD
View
B+
Retailer 17
-
$4,502 CAD
$3,222 USD
View
B
Retailer 18
-
$4,743 CAD
$3,394 USD
View
B
Retailer 19
-
$4,946 CAD
$3,539 USD
View
B
Retailer 20
-
$5,088 CAD
SGD 4,920 SGD
View
B
Retailer 21
-
$5,168 CAD
£2,912 GBP
View
Retailer 22
-
$5,257 CAD
$3,762 USD
View
Price last confirmed 85 days ago
B
Retailer 23
-
$5,273 CAD
$3,773 USD
View
Most Expensive
B
Brilliant Earth
19074259A · Nov 2
$6,959 CAD
$4,980 USD
View
23 more retailers have this diamond
Prices start from $1,307 CADSave up to $5,652 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
$1,307 CAD