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Marquise|Lab Grown|IGI

1.55ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679046

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679046

Diamond specifications and retailer prices

From $1,645 CAD
HK$9,200 HKD
As of October 31, 2026
Save $3,468 CAD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,113 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679046 or 800679046. Listed at 11 retailers as of October 31, 2026, with prices from $1,645 to $5,113, a $3,468 spread on the same certified stone. Brilliant Earth lists it at $5,113. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679046
Dimensions11.78 × 6.03 × 3.81 mm
L/W Ratio1.95
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
11.78 mm6.03 mm1.55 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679046
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

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: Oct 31
Current: $5,113 CAD|Low: $1,645 CAD|High: $6,617 CAD|Avg: $3,767 CAD|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$1,645 CAD
Retailer 7$1,738 CAD
Retailer 8$2,019 CAD
Retailer 2$2,046 CAD
Retailer 3$2,147 CAD
Retailer 6$3,430 CAD
Retailer 10$4,628 CAD
Retailer 4$5,037 CAD
Retailer 9$5,065 CAD
Brilliant Earth$5,113 CAD

40 data points across 10 retailers

11 retailers$1,645 CAD to $5,113 CAD

A
Cheapest Retailer
-
$1,645 CAD
HK$9,200 HKD
A
Retailer 2
-
$1,738 CAD
$1,244 USD
View
A
Retailer 3
-
$2,019 CAD
$1,445 USD
View
A
Retailer 4
-
$2,046 CAD
£1,153 GBP
View
A
Retailer 5
-
$2,147 CAD
€1,464 EUR
View
Retailer 6
-
$3,430 CAD
$2,455 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$4,559 CAD
$3,264 USD
View
Price last confirmed 89 days ago
B
Retailer 8
-
$4,628 CAD
$3,313 USD
View
B
Retailer 9
-
$5,037 CAD
£2,839 GBP
View
B
Retailer 10
-
$5,065 CAD
$3,626 USD
View
Most Expensive
B
Brilliant Earth
20788738A · Oct 31
$5,113 CAD
$3,660 USD
View
10 more retailers have this diamond
Prices start from $1,645 CADSave up to $3,468 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
$1,645 CAD