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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG635454423

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635454423

Diamond specifications and retailer prices

From $360 CAD
$258 USD
As of October 30, 2026
Save $2,475 CAD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,836 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG635454423 or 635454423. Listed at 22 retailers as of October 30, 2026, with prices from $360 to $2,836, a $2,475 spread on the same certified stone. Brilliant Earth lists it at $2,836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635454423
Dimensions10.88 × 5.30 × 3.26 mm
L/W Ratio2.05
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
10.88 mm5.30 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635454423
Side View
Table 61.0%Crown 32.3°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.5%

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 30
Current: $853 CAD|Low: $342 CAD|High: $1,925 CAD|Avg: $873 CAD|+3.6%
Retailer 1
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Retailer 21
October 30, 2026
Retailer 21$360 CAD
Retailer 9$402 CAD
Retailer 18$418 CAD
Retailer 5$447 CAD
Retailer 15$447 CAD
Retailer 12$474 CAD
Retailer 10$501 CAD
Retailer 3$601 CAD
Retailer 16$671 CAD
Retailer 4$736 CAD
Retailer 20$767 CAD
Retailer 7$788 CAD
Retailer 1$853 CAD
Retailer 8$865 CAD
Retailer 19$1,087 CAD
Retailer 11$1,198 CAD
Retailer 2$1,372 CAD
Retailer 17$1,436 CAD
Retailer 13$1,508 CAD
Retailer 14$1,911 CAD
Retailer 6$1,925 CAD

26 data points across 21 retailers

22 retailers$360 CAD to $2,836 CAD

A+
Cheapest Retailer
-
$360 CAD
$258 USD
A
Retailer 2
-
$402 CAD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$418 CAD
$299 USD
View
A
Retailer 4
-
$447 CAD
$320 USD
View
A
Retailer 5
-
$447 CAD
$320 USD
View
A
Retailer 6
-
$474 CAD
£267 GBP
View
A
Retailer 7
-
$501 CAD
HK$2,800 HKD
View
A
Retailer 8
-
$601 CAD
$430 USD
View
A
Retailer 9
-
$671 CAD
$480 USD
View
A
Retailer 10
-
$736 CAD
€502 EUR
View
A
Retailer 11
-
$767 CAD
ZAR 8,875 ZAR
View
A
Retailer 12
-
$788 CAD
$564 USD
View
A
Retailer 13
-
$853 CAD
£481 GBP
View
A
Retailer 14
-
$865 CAD
$619 USD
View
B+
Retailer 15
-
$1,087 CAD
A$1,197 AUD
View
B+
Retailer 16
-
$1,198 CAD
SGD 1,159 SGD
View
B+
Retailer 17
-
$1,372 CAD
$982 USD
View
B+
Retailer 18
-
$1,436 CAD
$1,028 USD
View
B+
Retailer 19
-
$1,508 CAD
$1,079 USD
View
Retailer 20
-
$1,911 CAD
£1,077 GBP
View
Price last confirmed 9 days ago
B
Retailer 21
-
$1,925 CAD
$1,378 USD
View
Most Expensive
B
Brilliant Earth
18876745A · Oct 30
$2,836 CAD
$2,030 USD
View
21 more retailers have this diamond
Prices start from $360 CADSave up to $2,475 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+
1.05ct Marquise
$360 CAD