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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787656876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787656876

Diamond specifications and retailer prices

From $1,021 USD
As of October 30, 2026
Save $3,929 USD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,950 USD at Brilliant Earth · As of October 31, 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 LG787656876 or 787656876. Listed at 24 retailers as of October 30, 2026, with prices from $1,021 to $4,950, a $3,929 spread on the same certified stone. Brilliant Earth lists it at $4,950. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787656876
Dimensions11.71 × 6.11 × 3.85 mm
L/W Ratio1.92
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
11.71 mm6.11 mm1.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787656876
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Oct 30
Current: $4,950 USD|Low: $980 USD|High: $4,950 USD|Avg: $2,238 USD
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
Retailer 16
November 1, 2026
Retailer 4$1,021 USD
Retailer 15$1,111 USD
Retailer 3$1,185 USD
Retailer 16$1,185 USD
Retailer 14$1,295 USD
Retailer 9$1,339 USD
Retailer 13$1,676 USD
Retailer 7$1,695 USD
Retailer 10$1,708 USD
Retailer 12$2,178 USD
Retailer 5$2,221 USD
Retailer 6$2,260 USD
Retailer 11$3,211 USD
Retailer 8$3,497 USD
Retailer 2$4,018 USD
Brilliant Earth$4,950 USD

31 data points across 16 retailers

24 retailers$1,021 USD to $4,950 USD

A
Cheapest Retailer
-
$1,021 USD
A
Retailer 2
-
$1,111 USD
View
A
Retailer 3
-
$1,144 USD
View
Final sale: no returns
Retailer 4
-
$1,185 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,185 USD
View
A
Retailer 6
-
$1,291 USD
View
A
Retailer 7
-
$1,295 USD
View
A
Retailer 8
-
$1,339 USD
£1,054 GBP
View
A
Retailer 9
-
$1,388 USD
View
A
Retailer 10
-
$1,676 USD
A$2,578 AUD
View
A
Retailer 11
-
$1,695 USD
View
A
Retailer 12
-
$1,708 USD
£1,345 GBP
View
B+
Retailer 13
-
$2,178 USD
ZAR 35,182 ZAR
View
B+
Retailer 14
-
$2,221 USD
View
B+
Retailer 15
-
$2,260 USD
View
B
Retailer 16
-
$3,211 USD
€3,058 EUR
View
B
Retailer 17
-
$3,277 USD
£2,580 GBP
View
B+
Retailer 18
-
$3,497 USD
View
B
Retailer 19
-
$3,674 USD
View
B
Retailer 20
-
$3,815 USD
View
B
Retailer 21
-
$3,972 USD
SGD 5,368 SGD
View
B
Retailer 22
-
$4,018 USD
£3,164 GBP
View
B
Retailer 23
-
$4,133 USD
View
Most Expensive
B
Brilliant Earth
19705479A · Oct 31
$4,950 USD
View
23 more retailers have this diamond
Prices start from $1,021 USDSave up to $3,929 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
$1,021 USD