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Marquise|Lab Grown|IGI

1.55ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG813640674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813640674

Diamond specifications and retailer prices

From $779 SGD
As of November 6, 2026
Save $6,144 SGD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,923 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore 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 LG813640674 or 813640674. Listed at 16 retailers as of November 6, 2026, with prices from $779 to $6,923, a $6,144 spread on the same certified stone. Do Amore Diamonds lists it at $6,923. 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 angle32.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813640674
Dimensions12.23 × 6.02 × 3.77 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm6.02 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813640674
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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: Nov 6
Current: $6,923 SGD|Low: $774 SGD|High: $7,881 SGD|Avg: $2,650 SGD|-12.2%
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
Retailer 17
November 6, 2026
Retailer 5$779 SGD
Retailer 16$874 SGD
Retailer 14$1,047 SGD
Retailer 2$1,121 SGD
Retailer 17$1,160 SGD
Retailer 9$1,230 SGD
Retailer 15$1,242 SGD
Retailer 7$1,480 SGD
Retailer 4$2,399 SGD
Retailer 10$2,520 SGD
Retailer 3$2,806 SGD
Retailer 8$3,417 SGD
Retailer 13$3,538 SGD
Retailer 6$3,610 SGD
Retailer 11$4,192 SGD
Retailer 12$4,456 SGD
Do Amore Diamonds$6,923 SGD

40 data points across 17 retailers

16 retailers$779 SGD to $6,923 SGD

A+
Cheapest Retailer
-
$779 SGD
A
Retailer 2
-
$874 SGD
View
A
Retailer 3
-
$1,047 SGD
View
A
Retailer 4
-
$1,121 SGD
View
A
Retailer 5
-
$1,160 SGD
View
A
Retailer 6
-
$1,242 SGD
View
A
Retailer 7
-
$1,480 SGD
View
B+
Retailer 8
-
$2,399 SGD
View
B+
Retailer 9
-
$2,520 SGD
View
B+
Retailer 10
-
$2,806 SGD
View
Retailer 11
-
$3,417 SGD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$3,538 SGD
View
B+
Retailer 13
-
$3,610 SGD
View
B
Retailer 14
-
$4,192 SGD
View
B+
Retailer 15
-
$4,456 SGD
View
Most Expensive
B
Do Amore Diamonds
27-2EEA863A8 · Nov 6
$6,923 SGD
$5,420 USD
View
15 more retailers have this diamond
Prices start from $779 SGDSave up to $6,144 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
$779 SGD