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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG678573572

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678573572

Diamond specifications and retailer prices

From $279 CAD
$199 USD
As of October 27, 2026
Save $1,989 CAD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,267 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG678573572 or 678573572. Listed at 13 retailers as of October 27, 2026, with prices from $279 to $2,267, a $1,989 spread on the same certified stone. Brilliant Earth lists it at $2,267. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573572
Dimensions10.13 × 5.45 × 3.30 mm
L/W Ratio1.86
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
10.13 mm5.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573572
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 39.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $2,267 CAD|Low: $279 CAD|High: $2,449 CAD|Avg: $1,008 CAD|-7.4%
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
October 27, 2026
Retailer 3$279 CAD
Retailer 11$323 CAD
Retailer 5$389 CAD
Retailer 14$483 CAD
Retailer 10$595 CAD
Retailer 6$658 CAD
Retailer 12$677 CAD
Retailer 7$738 CAD
Retailer 2$844 CAD
Retailer 8$859 CAD
Retailer 13$903 CAD
Retailer 15$1,110 CAD
Retailer 16$1,205 CAD
Retailer 4$1,582 CAD
Retailer 9$1,618 CAD
Brilliant Earth$2,267 CAD

32 data points across 16 retailers

13 retailers$279 CAD to $2,267 CAD

A+
Cheapest Retailer
-
$279 CAD
$199 USD
A
Retailer 2
-
$323 CAD
$231 USD
View
A
Retailer 3
-
$389 CAD
$278 USD
View
Final sale: no returns
A
Retailer 4
-
$483 CAD
$345 USD
View
A
Retailer 5
-
$595 CAD
€405 EUR
View
A
Retailer 6
-
$677 CAD
$484 USD
View
A
Retailer 7
-
$844 CAD
A$928 AUD
View
A
Retailer 8
-
$903 CAD
$645 USD
View
B+
Retailer 9
-
$1,110 CAD
$793 USD
View
B+
Retailer 10
-
$1,205 CAD
$861 USD
View
B+
Retailer 11
-
$1,582 CAD
$1,130 USD
View
B
Retailer 12
-
$1,618 CAD
£910 GBP
View
Most Expensive
B
Brilliant Earth
14093526A · Oct 28
$2,267 CAD
$1,620 USD
View
12 more retailers have this diamond
Prices start from $279 CADSave up to $1,989 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+
1.03ct Marquise
$279 CAD