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Marquise|Lab Grown|IGI

1.55ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG831685142

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831685142

Diamond specifications and retailer prices

From $815 SGD
As of November 6, 2026
Save $3,633 SGD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,448 SGD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831685142 or 831685142. Listed at 17 retailers as of October 31, 2026, with prices from $815 to $4,448, a $3,633 spread on the same certified stone. Novita Diamonds lists it at $4,448. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831685142
Dimensions11.98 × 6.10 × 3.72 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
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
11.98 mm6.10 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831685142
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,448 SGD|Low: $796 SGD|High: $4,448 SGD|Avg: $2,132 SGD
Novita 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
Retailer 17
November 6, 2026
Retailer 11$815 SGD
Retailer 6$886 SGD
Retailer 14$950 SGD
Retailer 8$1,054 SGD
Retailer 10$1,359 SGD
Retailer 13$1,394 SGD
Retailer 16$1,399 SGD
Retailer 5$1,464 SGD
Retailer 7$1,520 SGD
Retailer 4$1,906 SGD
Retailer 17$2,068 SGD
Retailer 12$2,380 SGD
Retailer 15$2,751 SGD
Retailer 2$2,930 SGD
Retailer 9$3,576 SGD
Retailer 3$3,836 SGD
Novita Diamonds$4,448 SGD

9 data points across 17 retailers

17 retailers$815 SGD to $4,448 SGD

A
Cheapest Retailer
-
$815 SGD
Final sale: no returns
A
Retailer 2
-
$886 SGD
View
A
Retailer 3
-
$950 SGD
View
A
Retailer 4
-
$1,054 SGD
View
A
Retailer 5
-
$1,359 SGD
View
A
Retailer 6
-
$1,394 SGD
View
A
Retailer 7
-
$1,399 SGD
View
A
Retailer 8
-
$1,464 SGD
View
A
Retailer 9
-
$1,520 SGD
View
A
Retailer 10
-
$1,906 SGD
View
B+
Retailer 11
-
$2,068 SGD
View
B+
Retailer 12
-
$2,380 SGD
View
B+
Retailer 13
-
$2,751 SGD
View
B+
Retailer 14
-
$2,930 SGD
View
B+
Retailer 15
-
$3,576 SGD
View
B
Retailer 16
-
$3,836 SGD
View
Most Expensive
B
Novita Diamonds
cert_831685142 · Oct 31
$4,448 SGD
A$5,357 AUD
View
16 more retailers have this diamond
Prices start from $815 SGDSave up to $3,633 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
$815 SGD