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Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG788621215

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788621215

Diamond specifications and retailer prices

From €965 EUR
$1,082 USD
As of November 1, 2026
Save €3,056 EUR (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €4,021 EUR at Brilliant Earth · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788621215 or 788621215. Listed at 26 retailers as of November 1, 2026, with prices from €965 to €4,021, a €3,056 spread on the same certified stone. Brilliant Earth lists it at €4,021. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621215
Dimensions11.99 × 6.09 × 3.82 mm
L/W Ratio1.97
Girdle conditionFaceted
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
11.99 mm6.09 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621215
Side View
Table 56.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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 1
Current: €4,021 EUR|Low: €827 EUR|High: €4,021 EUR|Avg: €2,062 EUR
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
November 2, 2026
Retailer 4€861 EUR
Retailer 6€999 EUR
Retailer 7€1,130 EUR
Retailer 3€1,137 EUR
Retailer 14€1,424 EUR
Retailer 8€1,541 EUR
Retailer 11€1,786 EUR
Retailer 13€1,837 EUR
Retailer 2€1,986 EUR
Retailer 9€2,488 EUR
Retailer 5€2,972 EUR
Retailer 10€3,372 EUR
Retailer 12€3,408 EUR
Brilliant Earth€4,021 EUR

33 data points across 14 retailers

26 retailers€965 EUR to €4,021 EUR

Retailer 1
-
€861 EUR
$966 USD
Price last confirmed 25 days ago
Retailer 2
-
€938 EUR
$1,052 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
€965 EUR
$1,082 USD
View
Final sale: no returns
Retailer 4
-
€999 EUR
$1,121 USD
View
Price last confirmed 30 days ago
Retailer 5
-
€999 EUR
$1,121 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
€1,130 EUR
£998 GBP
View
A
Retailer 7
-
€1,134 EUR
$1,272 USD
View
A
Retailer 8
-
€1,137 EUR
$1,275 USD
View
A
Retailer 9
-
€1,185 EUR
$1,329 USD
View
A
Retailer 10
-
€1,424 EUR
A$2,458 AUD
View
A
Retailer 11
-
€1,431 EUR
$1,605 USD
View
A
Retailer 12
-
€1,541 EUR
£1,361 GBP
View
B+
Retailer 13
-
€1,786 EUR
View
B+
Retailer 14
-
€1,837 EUR
ZAR 33,293 ZAR
View
B+
Retailer 15
-
€1,986 EUR
$2,228 USD
View
B
Retailer 16
-
€2,488 EUR
A$4,294 AUD
View
B
Retailer 17
-
€2,758 EUR
£2,436 GBP
View
Retailer 18
-
€2,810 EUR
$3,152 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
€2,972 EUR
$3,333 USD
View
B
Retailer 20
-
€3,099 EUR
$3,476 USD
View
B
Retailer 21
-
€3,245 EUR
$3,639 USD
View
B
Retailer 22
-
€3,355 EUR
SGD 5,085 SGD
View
B
Retailer 23
-
€3,372 EUR
A$5,819 AUD
View
B
Retailer 24
-
€3,408 EUR
£3,010 GBP
View
B
Retailer 25
-
€3,481 EUR
$3,904 USD
View
Most Expensive
B
Brilliant Earth
20086108A · Nov 2
€4,021 EUR
$4,510 USD
View
25 more retailers have this diamond
Prices start from €965 EURSave up to €3,056 EUR

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
€965 EUR