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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780661865

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780661865

Diamond specifications and retailer prices

From $717 USD
As of November 4, 2026
Save $5,653 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,370 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661865 or 780661865. Listed at 16 retailers as of November 4, 2026, with prices from $717 to $6,370, a $5,653 spread on the same certified stone. Do Amore Diamonds lists it at $6,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661865
Dimensions11.91 × 6.05 × 3.72 mm
L/W Ratio1.97
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
11.91 mm6.05 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661865
Side View
Table 58.0%Crown 33.5°Girdle: Slightly ThickPavilion 38.8°Culet: NoneDepth 61.5%

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: Nov 4
Current: $6,370 USD|Low: $717 USD|High: $8,040 USD|Avg: $2,359 USD|-20.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
November 4, 2026
Retailer 13$717 USD
Retailer 4$780 USD
Retailer 7$940 USD
Retailer 15$983 USD
Retailer 11$1,010 USD
Retailer 8$1,014 USD
Retailer 14$1,351 USD
Retailer 10$1,543 USD
Retailer 2$1,727 USD
Retailer 16$2,049 USD
Retailer 5$2,439 USD
Retailer 3$2,582 USD
Retailer 12$3,130 USD
Retailer 9$3,441 USD
Retailer 6$3,655 USD
Do Amore Diamonds$6,370 USD

32 data points across 16 retailers

16 retailers$717 USD to $6,370 USD

A+
Cheapest Retailer
-
$717 USD
A
Retailer 2
-
$780 USD
View
A
Retailer 3
-
$940 USD
View
A
Retailer 4
-
$983 USD
View
A
Retailer 5
-
$1,010 USD
View
A
Retailer 6
-
$1,014 USD
View
Final sale: no returns
A
Retailer 7
-
$1,351 USD
View
A
Retailer 8
-
$1,543 USD
View
B+
Retailer 9
-
$1,727 USD
View
B+
Retailer 10
-
$2,049 USD
View
B+
Retailer 11
-
$2,439 USD
View
B
Retailer 12
-
$2,582 USD
View
B+
Retailer 13
-
$3,130 USD
View
B+
Retailer 14
-
$3,441 USD
View
B
Retailer 15
-
$3,655 USD
View
Most Expensive
B
Do Amore Diamonds
27-2887D02AF · Nov 4
$6,370 USD
View
15 more retailers have this diamond
Prices start from $717 USDSave up to $5,653 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+
1.54ct Marquise
$717 USD