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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG787656875

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787656875

Diamond specifications and retailer prices

From $1,144 USD
As of October 30, 2026
Save $3,806 USD (77%) vs most expensive(unlock to see where)
23 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 LG787656875 or 787656875. Listed at 23 retailers as of October 30, 2026, with prices from $1,144 to $4,950, a $3,806 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787656875
Dimensions11.56 × 6.09 × 3.83 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
11.56 mm6.09 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787656875
Side View
Table 59.0%Crown 34.3°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 62.9%

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: $2,276 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
October 31, 2026
Retailer 15$1,021 USD
Retailer 8$1,144 USD
Retailer 4$1,185 USD
Retailer 5$1,185 USD
Retailer 13$1,295 USD
Retailer 7$1,388 USD
Retailer 12$1,676 USD
Retailer 16$1,695 USD
Retailer 2$1,708 USD
Retailer 11$2,178 USD
Retailer 14$2,260 USD
Retailer 9$3,211 USD
Retailer 3$3,497 USD
Retailer 6$3,972 USD
Retailer 10$4,040 USD
Brilliant Earth$4,950 USD

41 data points across 16 retailers

23 retailers$1,144 USD to $4,950 USD

Retailer 1
-
$1,021 USD
Price last confirmed 23 days ago
Retailer 2
-
$1,111 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,144 USD
View
Final sale: no returns
Retailer 4
-
$1,185 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$1,185 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,291 USD
View
A
Retailer 7
-
$1,295 USD
View
A
Retailer 8
-
$1,388 USD
View
A
Retailer 9
-
$1,676 USD
A$2,578 AUD
View
A
Retailer 10
-
$1,695 USD
View
A
Retailer 11
-
$1,708 USD
£1,345 GBP
View
B+
Retailer 12
-
$2,178 USD
ZAR 35,182 ZAR
View
Retailer 13
-
$2,221 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$2,260 USD
View
B+
Retailer 15
-
$3,211 USD
€3,058 EUR
View
B
Retailer 16
-
$3,277 USD
£2,580 GBP
View
B+
Retailer 17
-
$3,497 USD
View
B
Retailer 18
-
$3,674 USD
View
B
Retailer 19
-
$3,815 USD
View
B
Retailer 20
-
$3,972 USD
SGD 5,368 SGD
View
B
Retailer 21
-
$4,040 USD
£3,181 GBP
View
B
Retailer 22
-
$4,133 USD
View
Most Expensive
B
Brilliant Earth
19704990A · Oct 31
$4,950 USD
View
22 more retailers have this diamond
Prices start from $1,144 USDSave up to $3,806 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