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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662311

Diamond specifications and retailer prices

From $1,091 CAD
HK$6,100 HKD
As of November 1, 2026
Save $3,353 CAD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,444 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 LG780662311 or 780662311. Listed at 14 retailers as of November 1, 2026, with prices from $1,091 to $4,444, a $3,353 spread on the same certified stone. Brilliant Earth lists it at $4,444. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662311
Dimensions11.05 × 5.73 × 3.57 mm
L/W Ratio1.93
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
11.05 mm5.73 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662311
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.3%

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: Nov 1
Current: $4,444 CAD|Low: $1,091 CAD|High: $4,989 CAD|Avg: $2,303 CAD|-10.9%
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
November 3, 2026
Retailer 5$1,091 CAD
Retailer 12$1,234 CAD
Retailer 4$1,330 CAD
Retailer 3$1,344 CAD
Retailer 8$1,450 CAD
Retailer 2$1,455 CAD
Retailer 7$1,626 CAD
Retailer 10$1,660 CAD
Retailer 14$2,221 CAD
Retailer 13$3,060 CAD
Retailer 11$3,584 CAD
Retailer 6$3,725 CAD
Retailer 9$3,958 CAD
Brilliant Earth$4,444 CAD

41 data points across 14 retailers

14 retailers$1,091 CAD to $4,444 CAD

A
Cheapest Retailer
-
$1,091 CAD
HK$6,100 HKD
A
Retailer 2
-
$1,234 CAD
$883 USD
View
B+
Retailer 3
-
$1,330 CAD
$952 USD
View
A
Retailer 4
-
$1,344 CAD
$962 USD
View
A
Retailer 5
-
$1,450 CAD
€988 EUR
View
A
Retailer 6
-
$1,455 CAD
£820 GBP
View
B+
Retailer 7
-
$1,626 CAD
ZAR 18,799 ZAR
View
B+
Retailer 8
-
$1,660 CAD
A$1,828 AUD
View
Retailer 9
-
$2,221 CAD
$1,589 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$3,060 CAD
$2,190 USD
View
Retailer 11
-
$3,584 CAD
$2,565 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$3,725 CAD
$2,666 USD
View
B
Retailer 13
-
$3,958 CAD
£2,230 GBP
View
Most Expensive
B
Brilliant Earth
18919099A · Nov 2
$4,444 CAD
$3,180 USD
View
13 more retailers have this diamond
Prices start from $1,091 CADSave up to $3,353 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
$1,091 CAD