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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800681980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800681980

Diamond specifications and retailer prices

From $1,013 CAD
$725 USD
As of November 2, 2026
Save $2,969 CAD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,983 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800681980 or 800681980. Listed at 12 retailers as of November 2, 2026, with prices from $1,013 to $3,983, a $2,969 spread on the same certified stone. Brilliant Earth lists it at $3,983. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800681980
Dimensions11.19 × 5.70 × 3.61 mm
L/W Ratio1.96
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
11.19 mm5.70 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800681980
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.3%

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: Nov 2
Current: $3,983 CAD|Low: $1,013 CAD|High: $4,779 CAD|Avg: $2,363 CAD|-16.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$1,013 CAD
Retailer 9$1,167 CAD
Retailer 8$1,181 CAD
Retailer 4$1,330 CAD
Retailer 6$1,444 CAD
Retailer 2$1,457 CAD
Retailer 12$2,221 CAD
Retailer 11$2,951 CAD
Retailer 10$3,223 CAD
Retailer 7$3,556 CAD
Retailer 5$3,936 CAD
Brilliant Earth$3,983 CAD

41 data points across 12 retailers

12 retailers$1,013 CAD to $3,983 CAD

A
Cheapest Retailer
-
$1,013 CAD
$725 USD
A
Retailer 2
-
$1,167 CAD
$835 USD
View
A
Retailer 3
-
$1,181 CAD
HK$6,600 HKD
View
A
Retailer 4
-
$1,330 CAD
$952 USD
View
A
Retailer 5
-
$1,444 CAD
€984 EUR
View
A
Retailer 6
-
$1,457 CAD
£821 GBP
View
Retailer 7
-
$2,221 CAD
$1,589 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$2,951 CAD
$2,112 USD
View
B
Retailer 9
-
$3,223 CAD
$2,307 USD
View
B
Retailer 10
-
$3,556 CAD
$2,545 USD
View
B
Retailer 11
-
$3,936 CAD
£2,218 GBP
View
Most Expensive
B
Brilliant Earth
20869351Y · Nov 2
$3,983 CAD
$2,850 USD
View
11 more retailers have this diamond
Prices start from $1,013 CADSave up to $2,969 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
1.29ct Marquise
$1,013 CAD