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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG813622880

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813622880

Diamond specifications and retailer prices

From $1,471 SGD
$1,151 USD
As of November 1, 2026
Save $4,038 SGD (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,510 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct 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 LG813622880 or 813622880. Listed at 22 retailers as of October 31, 2026, with prices from $1,471 to $5,510, a $4,038 spread on the same certified stone. Brilliant Earth lists it at $5,510. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813622880
Dimensions11.86 × 6.11 × 3.76 mm
L/W Ratio1.94
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
11.86 mm6.11 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813622880
Side View
Table 61.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: $5,510 SGD|Low: $1,668 SGD|High: $6,366 SGD|Avg: $3,137 SGD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$1,723 SGD
Retailer 5$1,745 SGD
Retailer 9$2,151 SGD
Retailer 3$2,180 SGD
Retailer 4$2,198 SGD
Retailer 6$2,497 SGD
Retailer 8$2,802 SGD
Retailer 11$2,908 SGD
Retailer 10$4,500 SGD
Retailer 7$5,197 SGD
Brilliant Earth$5,510 SGD

33 data points across 11 retailers

22 retailers$1,471 SGD to $5,510 SGD

Retailer 1
-
$1,314 SGD
$1,028 USD
Price last confirmed 25 days ago
Retailer 2
-
$1,429 SGD
$1,118 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,471 SGD
$1,151 USD
View
Final sale: no returns
Retailer 4
-
$1,524 SGD
$1,192 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$1,524 SGD
$1,192 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,668 SGD
$1,305 USD
View
A
Retailer 7
-
$1,723 SGD
£1,061 GBP
View
A
Retailer 8
-
$1,745 SGD
$1,365 USD
View
B+
Retailer 9
-
$2,151 SGD
A$2,588 AUD
View
A
Retailer 10
-
$2,180 SGD
$1,705 USD
View
A
Retailer 11
-
$2,198 SGD
£1,354 GBP
View
B+
Retailer 12
-
$2,497 SGD
€1,860 EUR
View
B+
Retailer 13
-
$2,802 SGD
ZAR 35,405 ZAR
View
Retailer 14
-
$2,857 SGD
$2,235 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$2,908 SGD
$2,275 USD
View
B
Retailer 16
-
$4,208 SGD
£2,592 GBP
View
B
Retailer 17
-
$4,500 SGD
$3,520 USD
View
B
Retailer 18
-
$4,903 SGD
$3,835 USD
View
B
Retailer 19
-
$5,108 SGD
View
B
Retailer 20
-
$5,197 SGD
£3,201 GBP
View
B
Retailer 21
-
$5,318 SGD
$4,160 USD
View
Most Expensive
B
Brilliant Earth
21123714A · Oct 31
$5,510 SGD
$4,310 USD
View
21 more retailers have this diamond
Prices start from $1,471 SGDSave up to $4,038 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
1.55ct Marquise
$1,471 SGD