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Marquise|Lab Grown|IGI

1.34ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611745

Diamond specifications and retailer prices

From $432 USD
As of November 2, 2026
Save $2,098 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,530 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.34ct lab-grown marquise diamond

This 1.34ct 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 LG790611745 or 790611745. Listed at 22 retailers as of November 2, 2026, with prices from $432 to $2,530, a $2,098 spread on the same certified stone. Brilliant Earth lists it at $2,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611745
Dimensions11.12 × 5.84 × 3.62 mm
L/W Ratio1.90
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
11.12 mm5.84 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611745
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

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 2
Current: $2,530 USD|Low: $432 USD|High: $3,650 USD|Avg: $1,285 USD|-30.7%
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 16$432 USD
Retailer 9$483 USD
Retailer 18$484 USD
Retailer 4$536 USD
Retailer 14$550 USD
Retailer 8$589 USD
Retailer 21$680 USD
Retailer 3$769 USD
Retailer 19$844 USD
Retailer 12$873 USD
Retailer 2$885 USD
Retailer 17$925 USD
Retailer 6$983 USD
Retailer 15$1,504 USD
Retailer 11$1,570 USD
Retailer 10$1,703 USD
Retailer 5$1,724 USD
Retailer 7$1,756 USD
Retailer 20$1,935 USD
Retailer 13$1,970 USD
Brilliant Earth$2,530 USD

33 data points across 21 retailers

22 retailers$432 USD to $2,530 USD

A
Cheapest Retailer
-
$432 USD
A
Retailer 2
-
$483 USD
View
Final sale: no returns
A
Retailer 3
-
$484 USD
View
A
Retailer 4
-
$536 USD
View
Retailer 5
-
$550 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$589 USD
HK$4,600 HKD
View
A
Retailer 7
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$680 USD
View
A
Retailer 8
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$769 USD
View
A
Retailer 9
-
$844 USD
View
A
Retailer 10
-
$873 USD
€831 EUR
View
A
Retailer 11
-
$885 USD
£697 GBP
View
A
Retailer 12
-
$925 USD
ZAR 14,939 ZAR
View
A
Retailer 13
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$983 USD
View
B+
Retailer 14
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$1,504 USD
View
B+
Retailer 15
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$1,570 USD
£1,236 GBP
View
B+
Retailer 16
-
$1,703 USD
SGD 2,302 SGD
View
B
Retailer 17
-
$1,724 USD
View
B+
Retailer 18
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$1,756 USD
View
B
Retailer 19
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$1,935 USD
View
B+
Retailer 20
-
$1,970 USD
£1,551 GBP
View
B
Retailer 21
-
$2,305 USD
View
Most Expensive
B
Brilliant Earth
19074176A · Nov 2
$2,530 USD
View
21 more retailers have this diamond
Prices start from $432 USDSave up to $2,098 USD

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
1.34ct Marquise
$432 USD