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1.55ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG544272235

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544272235

Diamond specifications and retailer prices

From $305 SGD
As of November 5, 2026
Save $1,205 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,510 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544272235 or 544272235. Listed at 14 retailers as of November 5, 2026, with prices from $305 to $1,510, a $1,205 spread on the same certified stone. MOH London lists it at $1,510. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544272235
Dimensions7.42 × 7.37 × 4.55 mm
L/W Ratio1.01
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
7.42 mm7.37 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544272235
Side View
Table 58.5%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,510 SGD|Low: $305 SGD|High: $1,668 SGD|Avg: $758 SGD|-9.4%
MOH London
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 6, 2026
Retailer 11$305 SGD
Retailer 10$354 SGD
Retailer 8$378 SGD
Retailer 12$378 SGD
Retailer 2$585 SGD
Retailer 13$603 SGD
Retailer 6$613 SGD
Retailer 3$637 SGD
Retailer 7$706 SGD
Retailer 14$797 SGD
Retailer 9$1,215 SGD
Retailer 4$1,220 SGD
Retailer 5$1,281 SGD
MOH London$1,510 SGD

42 data points across 14 retailers

14 retailers$305 SGD to $1,510 SGD

A
Cheapest Retailer
-
$305 SGD
A
Retailer 2
-
$354 SGD
View
A
Retailer 3
-
$372 SGD
View
Final sale: no returns
A
Retailer 4
-
$378 SGD
View
Retailer 5
-
$378 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$585 SGD
View
A
Retailer 7
-
$603 SGD
View
A
Retailer 8
-
$637 SGD
View
A
Retailer 9
-
$706 SGD
View
B+
Retailer 10
-
$797 SGD
View
B
Retailer 11
-
$1,215 SGD
View
B
Retailer 12
-
$1,220 SGD
View
B
Retailer 13
-
$1,281 SGD
View
Most Expensive
B
MOH London
LG544272235 · Nov 5
$1,510 SGD
£931 GBP
View
13 more retailers have this diamond
Prices start from $305 SGDSave up to $1,205 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 Round
$305 SGD