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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG630456349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630456349

Diamond specifications and retailer prices

From $383 CAD
$274 USD
As of October 28, 2026
Save $1,493 CAD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,435 CAD at Brilliant Earth · As of October 17, 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 LG630456349 or 630456349. Listed at 21 retailers as of October 28, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456349
Dimensions10.30 × 5.29 × 3.36 mm
L/W Ratio1.95
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
10.30 mm5.29 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456349
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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: Oct 28
Current: $2,435 CAD|Low: $383 CAD|High: $2,435 CAD|Avg: $1,004 CAD
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
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 8$383 CAD
Retailer 19$427 CAD
Retailer 4$484 CAD
Retailer 9$574 CAD
Retailer 13$734 CAD
Retailer 16$735 CAD
Retailer 6$750 CAD
Retailer 11$777 CAD
Retailer 2$809 CAD
Retailer 18$834 CAD
Retailer 14$1,042 CAD
Retailer 17$1,073 CAD
Retailer 10$1,145 CAD
Retailer 5$1,373 CAD
Retailer 7$1,445 CAD
Retailer 15$1,491 CAD
Retailer 12$1,721 CAD
Retailer 3$1,876 CAD
Brilliant Earth$2,435 CAD

41 data points across 19 retailers

21 retailers$383 CAD to $1,876 CAD

A
Retailer 1
-
$344 CAD
$246 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$383 CAD
$274 USD
View
Final sale: no returns
A
Retailer 3
-
$427 CAD
$305 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$427 CAD
$305 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$431 CAD
$308 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$484 CAD
HK$2,700 HKD
View
A
Retailer 7
-
$574 CAD
$410 USD
View
A
Retailer 8
-
$734 CAD
ZAR 8,468 ZAR
View
A
Retailer 9
-
$735 CAD
€500 EUR
View
A
Retailer 10
-
$750 CAD
$536 USD
View
A
Retailer 11
-
$809 CAD
£455 GBP
View
A
Retailer 12
-
$834 CAD
$596 USD
View
B+
Retailer 13
-
$1,042 CAD
A$1,145 AUD
View
B+
Retailer 14
-
$1,073 CAD
$767 USD
View
B+
Retailer 15
-
$1,145 CAD
SGD 1,106 SGD
View
B+
Retailer 16
-
$1,373 CAD
$981 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,445 CAD
$1,033 USD
View
B+
Retailer 18
-
$1,491 CAD
A$1,639 AUD
View
B+
Retailer 19
-
$1,721 CAD
£968 GBP
View
B
Retailer 20
-
$1,876 CAD
$1,341 USD
View
Most Expensive
B
Brilliant Earth
14010213A · Oct 17
$2,435 CAD
$1,740 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $383 CADSave up to $1,493 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
$383 CAD