Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG815649012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815649012

Diamond specifications and retailer prices

From $623 CAD
$445 USD
As of October 27, 2026
Save $4,906 CAD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,528 CAD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815649012 or 815649012. Listed at 23 retailers as of October 27, 2026, with prices from $623 to $5,528, a $4,906 spread on the same certified stone. Do Amore Diamonds lists it at $5,528. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815649012
Dimensions12.16 × 6.06 × 3.78 mm
L/W Ratio2.01
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
12.16 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815649012
Side View
Table 58.0%Crown 35.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 62.4%

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: Oct 27
Current: $5,528 CAD|Low: $697 CAD|High: $7,614 CAD|Avg: $2,425 CAD|-27.4%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 29, 2026
Retailer 6$697 CAD
Retailer 15$973 CAD
Retailer 4$1,209 CAD
Retailer 3$1,212 CAD
Retailer 7$1,212 CAD
Retailer 14$1,409 CAD
Retailer 13$1,465 CAD
Retailer 12$1,690 CAD
Retailer 11$1,731 CAD
Retailer 17$1,943 CAD
Retailer 16$2,001 CAD
Retailer 18$2,890 CAD
Retailer 5$2,942 CAD
Retailer 19$2,987 CAD
Retailer 10$3,226 CAD
Retailer 9$3,413 CAD
Retailer 8$3,543 CAD
Retailer 2$3,578 CAD
Do Amore Diamonds$5,528 CAD

30 data points across 19 retailers

23 retailers$623 CAD to $5,528 CAD

A
Cheapest Retailer
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$623 CAD
$445 USD
A
Retailer 2
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$697 CAD
$498 USD
View
Final sale: no returns
A
Retailer 3
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$773 CAD
$552 USD
View
A
Retailer 4
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$973 CAD
$695 USD
View
A
Retailer 5
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$1,209 CAD
$864 USD
View
A
Retailer 6
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$1,212 CAD
$866 USD
View
A
Retailer 7
-
$1,212 CAD
$866 USD
View
A
Retailer 8
-
$1,409 CAD
£793 GBP
View
A
Retailer 9
-
$1,465 CAD
ZAR 16,912 ZAR
View
A
Retailer 10
-
$1,690 CAD
A$1,858 AUD
View
A
Retailer 11
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$1,943 CAD
$1,388 USD
View
A
Retailer 12
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$2,001 CAD
A$2,199 AUD
View
Price last confirmed 9 days ago
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Retailer 13
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$2,242 CAD
$1,602 USD
View
B+
Retailer 14
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$2,542 CAD
$1,816 USD
View
Price last confirmed 28 days ago
B+
Retailer 15
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$2,890 CAD
$2,065 USD
View
B+
Retailer 16
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$2,942 CAD
$2,102 USD
View
B+
Retailer 17
-
$2,987 CAD
SGD 2,884 SGD
View
B+
Retailer 18
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$3,226 CAD
$2,305 USD
View
Price last confirmed 21 days ago
B+
Retailer 19
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$3,413 CAD
£1,920 GBP
View
Price last confirmed 21 days ago
B+
Retailer 20
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$3,543 CAD
A$3,894 AUD
View
Price last confirmed 20 days ago
B+
Retailer 21
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$3,578 CAD
£2,013 GBP
View
B
Retailer 22
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$4,255 CAD
$3,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-15F516BD4 · Oct 29
$5,528 CAD
$3,950 USD
View
22 more retailers have this diamond
Prices start from $623 CADSave up to $4,906 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
$623 CAD