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Marquise|Lab Grown|IGI

1.55ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG812621500

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621500

Diamond specifications and retailer prices

From $907 SGD
As of November 6, 2026
Save $3,046 SGD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,953 SGD at MOH London · As of November 5, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG812621500 or 812621500. Listed at 23 retailers as of November 5, 2026, with prices from $907 to $3,953, a $3,046 spread on the same certified stone. MOH London lists it at $3,953. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621500
Dimensions11.76 × 5.99 × 3.72 mm
L/W Ratio1.96
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
11.76 mm5.99 mm1.55 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621500
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.1%

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: $3,953 SGD|Low: $874 SGD|High: $5,773 SGD|Avg: $2,214 SGD|-8.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 10$874 SGD
Retailer 20$907 SGD
Retailer 12$1,014 SGD
Retailer 13$1,058 SGD
Retailer 17$1,169 SGD
Retailer 9$1,383 SGD
Retailer 8$1,466 SGD
Retailer 15$1,487 SGD
Retailer 18$1,496 SGD
Retailer 2$1,519 SGD
Retailer 5$1,791 SGD
Retailer 6$2,245 SGD
Retailer 16$2,375 SGD
Retailer 4$2,469 SGD
Retailer 19$3,034 SGD
Retailer 11$3,152 SGD
Retailer 3$3,246 SGD
Retailer 14$3,297 SGD
Retailer 7$3,576 SGD
MOH London$3,953 SGD

29 data points across 20 retailers

23 retailers$907 SGD to $3,953 SGD

Retailer 1
-
$874 SGD
Price last confirmed 29 days ago
A
Retailer 2
-
$907 SGD
View
Final sale: no returns
Retailer 3
-
$1,007 SGD
View
Price last confirmed 38 days ago
Retailer 4
-
$1,014 SGD
View
Price last confirmed 34 days ago
Retailer 5
-
$1,014 SGD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$1,058 SGD
View
A
Retailer 7
-
$1,169 SGD
View
A
Retailer 8
-
$1,383 SGD
View
A
Retailer 9
-
$1,466 SGD
View
A
Retailer 10
-
$1,487 SGD
View
A
Retailer 11
-
$1,496 SGD
View
A
Retailer 12
-
$1,519 SGD
View
A
Retailer 13
-
$1,791 SGD
View
B+
Retailer 14
-
$2,245 SGD
View
B+
Retailer 15
-
$2,375 SGD
View
B+
Retailer 16
-
$2,469 SGD
View
Retailer 17
-
$2,851 SGD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$3,034 SGD
View
Retailer 19
-
$3,152 SGD
View
Price last confirmed 26 days ago
B
Retailer 20
-
$3,246 SGD
View
B
Retailer 21
-
$3,297 SGD
View
B
Retailer 22
-
$3,576 SGD
View
Most Expensive
B
MOH London
LG812621500 · Nov 5
$3,953 SGD
£2,437 GBP
View
22 more retailers have this diamond
Prices start from $907 SGDSave up to $3,046 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
$907 SGD