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Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790612034

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790612034

Diamond specifications and retailer prices

From $339 CAD
$243 USD
As of October 30, 2026
Save $2,203 CAD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,644 CAD at Rare Carat · As of August 17, 2026
View at Rare Carat

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790612034 or 790612034. Listed at 21 retailers as of October 30, 2026, with a 649% 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

1.00
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790612034
Dimensions9.99 × 5.23 × 3.30 mm
L/W Ratio1.91
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
9.99 mm5.23 mm1.00 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790612034
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 63.1%

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 30
Current: $2,542 CAD|Low: $339 CAD|High: $3,730 CAD|Avg: $1,122 CAD|-31.8%
Retailer 1
Retailer 2
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Retailer 21
October 30, 2026
Retailer 13$339 CAD
Retailer 9$380 CAD
Retailer 20$394 CAD
Retailer 5$420 CAD
Retailer 8$420 CAD
Retailer 18$465 CAD
Retailer 16$697 CAD
Retailer 7$707 CAD
Retailer 15$722 CAD
Retailer 4$742 CAD
Retailer 3$775 CAD
Retailer 12$797 CAD
Retailer 11$1,130 CAD
Retailer 21$1,351 CAD
Retailer 19$1,356 CAD
Retailer 6$1,424 CAD
Retailer 14$1,446 CAD
Retailer 2$1,639 CAD
Retailer 17$1,687 CAD
Retailer 10$1,858 CAD
Retailer 1$2,542 CAD

38 data points across 21 retailers

21 retailers$339 CAD to $2,542 CAD

A
Cheapest Retailer
-
$339 CAD
$243 USD
A
Retailer 2
-
$380 CAD
$272 USD
View
Final sale: no returns
A
Retailer 3
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$394 CAD
$282 USD
View
A
Retailer 4
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$420 CAD
$301 USD
View
A
Retailer 5
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$420 CAD
$301 USD
View
A
Retailer 6
-
$465 CAD
HK$2,600 HKD
View
A
Retailer 7
-
$697 CAD
€475 EUR
View
A
Retailer 8
-
$707 CAD
$506 USD
View
A
Retailer 9
-
$722 CAD
ZAR 8,353 ZAR
View
A
Retailer 10
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$742 CAD
$531 USD
View
A
Retailer 11
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$775 CAD
$555 USD
View
A
Retailer 12
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$797 CAD
£449 GBP
View
B+
Retailer 13
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$1,130 CAD
SGD 1,093 SGD
View
B+
Retailer 14
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$1,351 CAD
$967 USD
View
B
Retailer 15
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$1,356 CAD
$971 USD
View
B
Retailer 16
-
$1,424 CAD
$1,019 USD
View
B
Retailer 17
-
$1,639 CAD
£924 GBP
View
B
Retailer 18
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$1,687 CAD
£951 GBP
View
B
Retailer 19
-
$1,858 CAD
$1,330 USD
View
B
Retailer 20
-
$2,542 CAD
$1,820 USD
View
Most Expensive
Rare Carat
A10-69B · Aug 17
$2,644 CAD
$1,893 USD
View
Price last confirmed 76 days ago
20 more retailers have this diamond
Prices start from $339 CADSave up to $2,203 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
1.00ct Marquise
$339 CAD