Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG818668461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818668461

Diamond specifications and retailer prices

From $349 CAD
$250 USD
As of October 30, 2026
Save $1,542 CAD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,822 CAD at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG818668461 or 818668461. Listed at 24 retailers as of October 30, 2026, with a 442% 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

1.02
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668461
Dimensions9.99 × 5.28 × 3.30 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm5.28 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668461
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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: $1,080 CAD|Low: $335 CAD|High: $1,891 CAD|Avg: $854 CAD|+9.0%
Retailer 1
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
October 31, 2026
Retailer 5$349 CAD
Retailer 3$391 CAD
Retailer 9$405 CAD
Retailer 6$433 CAD
Retailer 10$433 CAD
Retailer 2$461 CAD
Retailer 11$584 CAD
Retailer 18$657 CAD
Retailer 14$691 CAD
Retailer 16$745 CAD
Retailer 12$825 CAD
Retailer 7$843 CAD
Retailer 17$1,055 CAD
Retailer 1$1,080 CAD
Retailer 8$1,393 CAD
Retailer 13$1,468 CAD
Retailer 15$1,746 CAD
Retailer 4$1,891 CAD

38 data points across 18 retailers

24 retailers$349 CAD to $1,891 CAD

A
Cheapest Retailer
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$349 CAD
$250 USD
A
Retailer 2
-
$391 CAD
$280 USD
View
Final sale: no returns
A
Retailer 3
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$405 CAD
$290 USD
View
A
Retailer 4
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$433 CAD
$310 USD
View
A
Retailer 5
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$433 CAD
$310 USD
View
Retailer 6
-
$461 CAD
£260 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
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$584 CAD
$418 USD
View
A
Retailer 8
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$657 CAD
$470 USD
View
A
Retailer 9
-
$691 CAD
€471 EUR
View
A
Retailer 10
-
$745 CAD
ZAR 8,613 ZAR
View
A
Retailer 11
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$821 CAD
$588 USD
View
A
Retailer 12
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$825 CAD
£465 GBP
View
A
Retailer 13
-
$843 CAD
A$928 AUD
View
B+
Retailer 14
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$879 CAD
$629 USD
View
B+
Retailer 15
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$903 CAD
$646 USD
View
B+
Retailer 16
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$1,055 CAD
A$1,162 AUD
View
B+
Retailer 17
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$1,080 CAD
$773 USD
View
B+
Retailer 18
-
$1,393 CAD
$997 USD
View
B+
Retailer 19
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$1,466 CAD
$1,049 USD
View
B+
Retailer 20
-
$1,468 CAD
A$1,617 AUD
View
B+
Retailer 21
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$1,514 CAD
$1,084 USD
View
B+
Retailer 22
-
$1,746 CAD
£984 GBP
View
B
Retailer 23
-
$1,891 CAD
$1,354 USD
View
Most Expensive
Brilliant Earth
21103048A · Sep 26
$2,822 CAD
$2,020 USD
View
Price last confirmed 34 days ago
23 more retailers have this diamond
Prices start from $349 CADSave up to $1,542 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
1.02ct Marquise
$349 CAD