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Marquise|Lab Grown|IGI

1.54ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780661865

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780661865

Diamond specifications and retailer prices

From $917 SGD
$717 USD
As of October 30, 2026
Save $7,227 SGD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,143 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG780661865 or 780661865. Listed at 16 retailers as of October 30, 2026, with prices from $917 to $8,143, a $7,227 spread on the same certified stone. Do Amore Diamonds lists it at $8,143. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661865
Dimensions11.91 × 6.05 × 3.72 mm
L/W Ratio1.97
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
11.91 mm6.05 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661865
Side View
Table 58.0%Crown 33.5°Girdle: Slightly ThickPavilion 38.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,143 SGD|Low: $917 SGD|High: $10,278 SGD|Avg: $3,038 SGD|-20.8%
Do Amore Diamonds
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 12$917 SGD
Retailer 4$997 SGD
Retailer 7$1,202 SGD
Retailer 14$1,257 SGD
Retailer 10$1,291 SGD
Retailer 8$1,296 SGD
Retailer 13$1,727 SGD
Retailer 9$1,973 SGD
Retailer 16$2,209 SGD
Retailer 15$2,619 SGD
Retailer 5$3,119 SGD
Retailer 3$3,301 SGD
Retailer 11$4,001 SGD
Retailer 2$4,400 SGD
Retailer 6$4,673 SGD
Do Amore Diamonds$8,143 SGD

33 data points across 16 retailers

16 retailers$917 SGD to $8,143 SGD

A+
Cheapest Retailer
-
$917 SGD
$717 USD
A
Retailer 2
-
$997 SGD
$780 USD
View
A
Retailer 3
-
$1,202 SGD
$940 USD
View
A
Retailer 4
-
$1,257 SGD
$983 USD
View
A
Retailer 5
-
$1,291 SGD
$1,010 USD
View
A
Retailer 6
-
$1,296 SGD
$1,014 USD
View
Final sale: no returns
A
Retailer 7
-
$1,727 SGD
$1,351 USD
View
A
Retailer 8
-
$1,973 SGD
€1,470 EUR
View
B+
Retailer 9
-
$2,209 SGD
A$2,658 AUD
View
B+
Retailer 10
-
$2,619 SGD
$2,049 USD
View
B+
Retailer 11
-
$3,119 SGD
$2,440 USD
View
B
Retailer 12
-
$3,301 SGD
$2,582 USD
View
B+
Retailer 13
-
$4,001 SGD
$3,130 USD
View
B+
Retailer 14
-
$4,400 SGD
£2,710 GBP
View
B
Retailer 15
-
$4,673 SGD
$3,655 USD
View
Most Expensive
B
Do Amore Diamonds
27-2887D02AF · Oct 31
$8,143 SGD
$6,370 USD
View
15 more retailers have this diamond
Prices start from $917 SGDSave up to $7,227 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
$917 SGD