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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 $1,382 SGD
As of November 6, 2026
Save $4,379 SGD (76%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $5,761 SGD 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788621215 or 788621215. Listed at 29 retailers as of November 3, 2026, with prices from $1,382 to $5,761, a $4,379 spread on the same certified stone. Brilliant Earth lists it at $5,761. 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
Colour
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 6
Current: $5,761 SGD|Low: $1,234 SGD|High: $5,761 SGD|Avg: $2,781 SGD
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
November 6, 2026
Retailer 5$1,234 SGD
Retailer 6$1,609 SGD
Retailer 10$1,654 SGD
Retailer 12$2,040 SGD
Retailer 7$2,185 SGD
Retailer 2$2,543 SGD
Retailer 11$2,634 SGD
Retailer 9$3,086 SGD
Retailer 4$3,391 SGD
Retailer 13$3,565 SGD
Retailer 3$4,831 SGD
Retailer 8$4,844 SGD
Brilliant Earth$5,761 SGD

33 data points across 13 retailers

29 retailers$1,382 SGD to $5,761 SGD

Retailer 1
-
$1,234 SGD
Price last confirmed 29 days ago
Retailer 2
-
$1,344 SGD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,382 SGD
View
Final sale: no returns
Retailer 4
-
$1,432 SGD
View
Price last confirmed 34 days ago
Retailer 5
-
$1,432 SGD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$1,609 SGD
View
A
Retailer 7
-
$1,625 SGD
View
A
Retailer 8
-
$1,654 SGD
View
A
Retailer 9
-
$1,698 SGD
View
A
Retailer 10
-
$2,040 SGD
View
A
Retailer 11
-
$2,050 SGD
View
A
Retailer 12
-
$2,185 SGD
View
B+
Retailer 13
-
$2,543 SGD
View
B+
Retailer 14
-
$2,634 SGD
View
B+
Retailer 15
-
$2,846 SGD
View
B+
Retailer 16
-
$3,086 SGD
View
Retailer 17
-
$3,391 SGD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$3,565 SGD
View
B
Retailer 19
-
$3,951 SGD
View
Retailer 20
-
$4,026 SGD
View
Price last confirmed 37 days ago
B
Retailer 21
-
$4,257 SGD
View
B
Retailer 22
-
$4,440 SGD
View
B
Retailer 23
-
$4,648 SGD
View
B
Retailer 24
-
$4,805 SGD
View
B
Retailer 25
-
$4,831 SGD
View
B
Retailer 26
-
$4,844 SGD
View
B
Retailer 27
-
$4,985 SGD
View
B
Retailer 28
-
$5,761 SGD
View
Most Expensive
B
Brilliant Earth
20086108A · Nov 3
$5,761 SGD
$4,510 USD
View
28 more retailers have this diamond
Prices start from $1,382 SGDSave up to $4,379 SGD

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
$1,382 SGD