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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG786635310

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786635310

Diamond specifications and retailer prices

From $1,144 USD
As of November 4, 2026
Save $3,156 USD (73%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,300 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG786635310 or 786635310. Listed at 24 retailers as of November 3, 2026, with prices from $1,144 to $4,300, a $3,156 spread on the same certified stone. Brilliant Earth lists it at $4,300. 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 angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786635310
Dimensions11.79 × 6.23 × 3.76 mm
L/W Ratio1.89
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
11.79 mm6.23 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786635310
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
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 4
Current: $4,300 USD|Low: $980 USD|High: $4,950 USD|Avg: $2,500 USD|-13.1%
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
November 4, 2026
Retailer 14$1,021 USD
Retailer 4$1,185 USD
Retailer 5$1,185 USD
Retailer 8$1,360 USD
Retailer 7$1,388 USD
Retailer 2$1,691 USD
Retailer 15$1,695 USD
Retailer 9$2,179 USD
Retailer 10$2,285 USD
Retailer 12$3,210 USD
Retailer 3$3,497 USD
Retailer 13$3,655 USD
Retailer 6$3,972 USD
Retailer 11$4,018 USD
Brilliant Earth$4,300 USD

43 data points across 15 retailers

24 retailers$1,144 USD to $4,300 USD

Retailer 1
-
$1,021 USD
Price last confirmed 27 days ago
Retailer 2
-
$1,111 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,144 USD
View
Final sale: no returns
Retailer 4
-
$1,185 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$1,185 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$1,291 USD
View
A
Retailer 7
-
$1,360 USD
View
A
Retailer 8
-
$1,388 USD
View
A
Retailer 9
-
$1,691 USD
View
B+
Retailer 10
-
$1,695 USD
View
B+
Retailer 11
-
$2,179 USD
View
Retailer 12
-
$2,221 USD
View
Price last confirmed 35 days ago
B+
Retailer 13
-
$2,285 USD
View
B+
Retailer 14
-
$2,476 USD
View
B+
Retailer 15
-
$3,210 USD
View
B
Retailer 16
-
$3,276 USD
View
B
Retailer 17
-
$3,497 USD
View
B
Retailer 18
-
$3,655 USD
View
B
Retailer 19
-
$3,674 USD
View
B
Retailer 20
-
$3,814 USD
View
B
Retailer 21
-
$3,972 USD
View
B
Retailer 22
-
$4,018 USD
View
B
Retailer 23
-
$4,132 USD
View
Most Expensive
B
Brilliant Earth
18991082A · Nov 3
$4,300 USD
View
23 more retailers have this diamond
Prices start from $1,144 USDSave up to $3,156 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
$1,144 USD