Marquise|Lab Grown|IGI

1.01ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG831604026

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604026

Diamond specifications and retailer prices

From $356 CAD
$255 USD
As of October 30, 2026
Save $2,424 CAD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,808 CAD at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG831604026 or 831604026. Listed at 23 retailers as of October 30, 2026, with a 680% 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

1.01
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604026
Dimensions10.29 × 5.28 × 3.33 mm
L/W Ratio1.95
Girdle conditionFaceted
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
10.29 mm5.28 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604026
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

Caratlytics Score

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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: $835 CAD|Low: $356 CAD|High: $3,786 CAD|Avg: $1,159 CAD|-17.0%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 16$356 CAD
Retailer 6$397 CAD
Retailer 3$441 CAD
Retailer 18$456 CAD
Retailer 4$483 CAD
Retailer 13$531 CAD
Retailer 5$573 CAD
Retailer 14$603 CAD
Retailer 12$781 CAD
Retailer 20$793 CAD
Retailer 1$835 CAD
Retailer 10$918 CAD
Retailer 9$974 CAD
Retailer 8$1,185 CAD
Retailer 11$1,337 CAD
Retailer 2$1,491 CAD
Retailer 19$1,549 CAD
Retailer 7$1,779 CAD
Retailer 17$1,912 CAD
Retailer 15$2,780 CAD

30 data points across 20 retailers

23 retailers$356 CAD to $2,780 CAD

A
Cheapest Retailer
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$356 CAD
$255 USD
A
Retailer 2
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$397 CAD
$284 USD
View
Final sale: no returns
A
Retailer 3
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$441 CAD
$316 USD
View
A
Retailer 4
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$456 CAD
£257 GBP
View
A
Retailer 5
-
$483 CAD
HK$2,700 HKD
View
A
Retailer 6
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$531 CAD
$380 USD
View
A
Retailer 7
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$567 CAD
$406 USD
View
A
Retailer 8
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$573 CAD
$410 USD
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A
Retailer 9
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$603 CAD
$432 USD
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A
Retailer 10
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$781 CAD
$559 USD
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A
Retailer 11
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$793 CAD
$568 USD
View
A
Retailer 12
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$835 CAD
£471 GBP
View
B+
Retailer 13
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$918 CAD
€626 EUR
View
B+
Retailer 14
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$974 CAD
ZAR 11,263 ZAR
View
B+
Retailer 15
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$1,185 CAD
SGD 1,146 SGD
View
B+
Retailer 16
-
$1,337 CAD
$957 USD
View
B
Retailer 17
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$1,491 CAD
$1,068 USD
View
B
Retailer 18
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$1,549 CAD
$1,109 USD
View
B
Retailer 19
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$1,779 CAD
£1,003 GBP
View
B
Retailer 20
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$1,822 CAD
$1,304 USD
View
B
Retailer 21
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$1,912 CAD
$1,369 USD
View
B
Retailer 22
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$2,780 CAD
$1,990 USD
View
Most Expensive
Rare Carat
PE0266040PA831 · Sep 30
$2,808 CAD
$2,010 USD
View
Price last confirmed 31 days ago
22 more retailers have this diamond
Prices start from $356 CADSave up to $2,424 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
1.01ct Marquise
$356 CAD