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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG778632689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778632689

Diamond specifications and retailer prices

From $365 CAD
$261 USD
As of October 30, 2026
Save $1,967 CAD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,696 CAD at Brilliant Earth · As of September 24, 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 LG778632689 or 778632689. Listed at 24 retailers as of October 30, 2026, with a 539% 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

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778632689
Dimensions11.33 × 5.31 × 3.20 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.33 mm5.31 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778632689
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.3%

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: $863 CAD|Low: $360 CAD|High: $1,938 CAD|Avg: $935 CAD|+3.4%
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 5$365 CAD
Retailer 2$422 CAD
Retailer 8$422 CAD
Retailer 19$451 CAD
Retailer 20$451 CAD
Retailer 14$479 CAD
Retailer 12$698 CAD
Retailer 9$753 CAD
Retailer 17$776 CAD
Retailer 7$795 CAD
Retailer 18$802 CAD
Retailer 1$863 CAD
Retailer 6$923 CAD
Retailer 16$1,099 CAD
Retailer 4$1,203 CAD
Retailer 3$1,451 CAD
Retailer 11$1,523 CAD
Retailer 13$1,598 CAD
Retailer 15$1,820 CAD
Retailer 10$1,938 CAD

27 data points across 20 retailers

24 retailers$365 CAD to $2,331 CAD

A
Cheapest Retailer
-
$365 CAD
$261 USD
A
Retailer 2
-
$422 CAD
$302 USD
View
Final sale: no returns
A
Retailer 3
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$422 CAD
$302 USD
View
A
Retailer 4
-
$451 CAD
$323 USD
View
A
Retailer 5
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$451 CAD
$323 USD
View
A
Retailer 6
-
$479 CAD
£270 GBP
View
A
Retailer 7
-
$698 CAD
$500 USD
View
A
Retailer 8
-
$753 CAD
$539 USD
View
A
Retailer 9
-
$776 CAD
ZAR 8,973 ZAR
View
A
Retailer 10
-
$795 CAD
$569 USD
View
A
Retailer 11
-
$802 CAD
€547 EUR
View
A
Retailer 12
-
$863 CAD
£487 GBP
View
B+
Retailer 13
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$923 CAD
$661 USD
View
B+
Retailer 14
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$1,099 CAD
A$1,210 AUD
View
B+
Retailer 15
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$1,203 CAD
$861 USD
View
B+
Retailer 16
-
$1,451 CAD
$1,039 USD
View
B
Retailer 17
-
$1,523 CAD
$1,090 USD
View
Retailer 18
-
$1,598 CAD
A$1,760 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$1,668 CAD
$1,194 USD
View
Retailer 20
-
$1,683 CAD
$1,205 USD
View
Price last confirmed 16 days ago
B
Retailer 21
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$1,820 CAD
£1,026 GBP
View
B
Retailer 22
-
$1,938 CAD
$1,387 USD
View
B
Retailer 23
-
$2,331 CAD
$1,669 USD
View
Most Expensive
Brilliant Earth
21531701A · Sep 24
$2,696 CAD
$1,930 USD
View
Price last confirmed 36 days ago
23 more retailers have this diamond
Prices start from $365 CADSave up to $1,967 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
$365 CAD