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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676937

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676937

Diamond specifications and retailer prices

From $352 CAD
$252 USD
As of October 30, 2026
Save $2,805 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,157 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG800676937 or 800676937. Listed at 15 retailers as of October 30, 2026, with prices from $352 to $3,157, a $2,805 spread on the same certified stone. Brilliant Earth lists it at $3,157. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676937
Dimensions10.40 × 5.27 × 3.25 mm
L/W Ratio1.97
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
10.40 mm5.27 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676937
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,157 CAD|Low: $352 CAD|High: $4,009 CAD|Avg: $1,378 CAD|-21.3%
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
November 1, 2026
Retailer 10$352 CAD
Retailer 3$408 CAD
Retailer 7$447 CAD
Retailer 2$495 CAD
Retailer 12$652 CAD
Retailer 5$680 CAD
Retailer 4$684 CAD
Retailer 15$729 CAD
Retailer 9$829 CAD
Retailer 6$988 CAD
Retailer 13$1,338 CAD
Retailer 16$1,546 CAD
Retailer 11$1,930 CAD
Retailer 8$2,524 CAD
Retailer 14$3,115 CAD
Brilliant Earth$3,157 CAD

36 data points across 16 retailers

15 retailers$352 CAD to $3,157 CAD

A+
Cheapest Retailer
-
$352 CAD
$252 USD
A
Retailer 2
-
$408 CAD
$292 USD
View
A
Retailer 3
-
$447 CAD
$320 USD
View
Final sale: no returns
A
Retailer 4
-
$495 CAD
£279 GBP
View
A
Retailer 5
-
$652 CAD
$467 USD
View
A
Retailer 6
-
$680 CAD
$487 USD
View
A
Retailer 7
-
$684 CAD
$490 USD
View
A
Retailer 8
-
$729 CAD
$522 USD
View
A
Retailer 9
-
$829 CAD
€565 EUR
View
B+
Retailer 10
-
$988 CAD
A$1,088 AUD
View
B+
Retailer 11
-
$1,338 CAD
$958 USD
View
B+
Retailer 12
-
$1,546 CAD
$1,107 USD
View
B+
Retailer 13
-
$1,930 CAD
£1,088 GBP
View
B
Retailer 14
-
$3,115 CAD
$2,230 USD
View
Most Expensive
B
Brilliant Earth
21014390Y · Oct 31
$3,157 CAD
$2,260 USD
View
14 more retailers have this diamond
Prices start from $352 CADSave up to $2,805 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+
1.05ct Marquise
$352 CAD