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Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619601

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619601

Diamond specifications and retailer prices

From $626 CAD
$448 USD
As of October 30, 2026
Save $3,118 CAD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,744 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG811619601 or 811619601. Listed at 21 retailers as of October 30, 2026, with prices from $626 to $3,744, a $3,118 spread on the same certified stone. Brilliant Earth lists it at $3,744. 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°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619601
Dimensions9.95 × 5.20 × 3.33 mm
L/W Ratio1.91
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
9.95 mm5.20 mm1.00 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619601
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.0%

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: $3,744 CAD|Low: $601 CAD|High: $3,744 CAD|Avg: $1,493 CAD
Brilliant Earth
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
November 1, 2026
Retailer 17$626 CAD
Retailer 8$700 CAD
Retailer 14$701 CAD
Retailer 15$777 CAD
Retailer 16$777 CAD
Retailer 12$880 CAD
Retailer 5$1,041 CAD
Retailer 7$1,080 CAD
Retailer 10$1,228 CAD
Retailer 2$1,284 CAD
Retailer 11$1,334 CAD
Retailer 4$1,879 CAD
Retailer 6$2,051 CAD
Retailer 9$2,257 CAD
Retailer 3$2,495 CAD
Retailer 13$2,854 CAD
Brilliant Earth$3,744 CAD

44 data points across 17 retailers

21 retailers$626 CAD to $3,744 CAD

A
Cheapest Retailer
-
$626 CAD
$448 USD
A
Retailer 2
-
$700 CAD
$501 USD
View
Final sale: no returns
A
Retailer 3
-
$701 CAD
$502 USD
View
Retailer 4
-
$777 CAD
$556 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$777 CAD
$556 USD
View
B+
Retailer 6
-
$874 CAD
$626 USD
View
B+
Retailer 7
-
$880 CAD
$630 USD
View
B+
Retailer 8
-
$1,041 CAD
$745 USD
View
B+
Retailer 9
-
$1,080 CAD
$773 USD
View
B+
Retailer 10
-
$1,228 CAD
€837 EUR
View
B+
Retailer 11
-
$1,284 CAD
£724 GBP
View
B+
Retailer 12
-
$1,334 CAD
ZAR 15,424 ZAR
View
B
Retailer 13
-
$1,879 CAD
$1,345 USD
View
B
Retailer 14
-
$2,051 CAD
SGD 1,984 SGD
View
B
Retailer 15
-
$2,257 CAD
£1,272 GBP
View
B
Retailer 16
-
$2,495 CAD
$1,786 USD
View
B
Retailer 17
-
$2,540 CAD
$1,818 USD
View
Retailer 18
-
$2,653 CAD
$1,900 USD
View
Price last confirmed 73 days ago
B
Retailer 19
-
$2,773 CAD
$1,985 USD
View
B
Retailer 20
-
$2,854 CAD
£1,609 GBP
View
Most Expensive
B
Brilliant Earth
20879613A · Oct 31
$3,744 CAD
$2,680 USD
View
20 more retailers have this diamond
Prices start from $626 CADSave up to $3,118 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
$626 CAD