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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG689562578

Shape and cutting style on the report: Marquise modified brilliant

Certificate IGI LG689562578

Diamond specifications and retailer prices

From $355 CAD
$254 USD
As of October 30, 2026
Save $1,727 CAD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,081 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689562578 or 689562578. Listed at 22 retailers as of October 30, 2026, with prices from $355 to $2,081, a $1,727 spread on the same certified stone. Brilliant Earth lists it at $2,081. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562578
Dimensions9.73 × 5.08 × 3.34 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm5.08 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562578
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 32.2°Culet: NoneDepth 65.7%

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 30
Current: $2,081 CAD|Low: $355 CAD|High: $2,570 CAD|Avg: $1,097 CAD|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
October 31, 2026
Retailer 4$355 CAD
Retailer 8$397 CAD
Retailer 12$412 CAD
Retailer 19$440 CAD
Retailer 21$440 CAD
Retailer 10$594 CAD
Retailer 3$664 CAD
Retailer 18$754 CAD
Retailer 17$756 CAD
Retailer 5$784 CAD
Retailer 2$839 CAD
Retailer 6$919 CAD
Retailer 13$1,046 CAD
Retailer 16$1,071 CAD
Retailer 11$1,293 CAD
Retailer 20$1,415 CAD
Retailer 7$1,486 CAD
Retailer 14$1,544 CAD
Retailer 15$1,772 CAD
Retailer 9$1,908 CAD
Brilliant Earth$2,081 CAD

28 data points across 21 retailers

22 retailers$355 CAD to $2,081 CAD

A
Cheapest Retailer
-
$355 CAD
$254 USD
A
Retailer 2
-
$397 CAD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$412 CAD
$295 USD
View
A
Retailer 4
-
$440 CAD
$315 USD
View
A
Retailer 5
-
$440 CAD
$315 USD
View
A
Retailer 6
-
$594 CAD
$425 USD
View
A
Retailer 7
-
$664 CAD
$475 USD
View
A
Retailer 8
-
$754 CAD
€514 EUR
View
A
Retailer 9
-
$756 CAD
ZAR 8,742 ZAR
View
A
Retailer 10
-
$784 CAD
$561 USD
View
A
Retailer 11
-
$839 CAD
£473 GBP
View
A
Retailer 12
-
$919 CAD
$658 USD
View
B+
Retailer 13
-
$1,046 CAD
$749 USD
View
B+
Retailer 14
-
$1,071 CAD
A$1,179 AUD
View
B+
Retailer 15
-
$1,112 CAD
$796 USD
View
B+
Retailer 16
-
$1,293 CAD
SGD 1,251 SGD
View
B+
Retailer 17
-
$1,415 CAD
$1,013 USD
View
B+
Retailer 18
-
$1,486 CAD
$1,064 USD
View
B+
Retailer 19
-
$1,544 CAD
$1,105 USD
View
B+
Retailer 20
-
$1,772 CAD
£999 GBP
View
B
Retailer 21
-
$1,908 CAD
$1,366 USD
View
Most Expensive
B
Brilliant Earth
15473140A · Oct 30
$2,081 CAD
$1,490 USD
View
21 more retailers have this diamond
Prices start from $355 CADSave up to $1,727 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
1.09ct Marquise
$355 CAD