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Marquise|Lab Grown|IGI

1.55ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG743593780

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743593780

Diamond specifications and retailer prices

From $761 SGD
As of November 4, 2026
Save $5,996 SGD (89%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: $6,757 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 LG743593780 or 743593780. Listed at 35 retailers as of November 4, 2026, with prices from $761 to $6,757, a $5,996 spread on the same certified stone. Do Amore Diamonds lists it at $6,757. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593780
Dimensions12.23 × 6.01 × 3.74 mm
L/W Ratio2.03
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
12.23 mm6.01 mm1.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593780
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.2%

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 4
Current: $6,757 SGD|Low: $761 SGD|High: $7,511 SGD|Avg: $2,542 SGD|-10.0%
Do Amore Diamonds
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Retailer 26
November 6, 2026
Retailer 6$761 SGD
Retailer 22$955 SGD
Retailer 25$984 SGD
Retailer 13$1,096 SGD
Retailer 21$1,137 SGD
Retailer 26$1,291 SGD
Retailer 18$1,293 SGD
Retailer 7$1,469 SGD
Retailer 24$1,534 SGD
Retailer 2$1,585 SGD
Retailer 17$1,783 SGD
Retailer 14$1,989 SGD
Retailer 9$2,343 SGD
Retailer 20$2,461 SGD
Retailer 12$2,473 SGD
Retailer 8$2,741 SGD
Retailer 5$3,013 SGD
Retailer 4$3,036 SGD
Retailer 10$3,115 SGD
Retailer 19$3,417 SGD
Retailer 3$3,509 SGD
Retailer 16$3,538 SGD
Retailer 11$3,714 SGD
Retailer 23$4,095 SGD
Retailer 15$4,556 SGD
Do Amore Diamonds$6,757 SGD

26 data points across 26 retailers

35 retailers$761 SGD to $6,757 SGD

A
Cheapest Retailer
-
$761 SGD
Retailer 2
-
$857 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$857 SGD
View
Price last confirmed 37 days ago
Retailer 4
-
$932 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$955 SGD
View
Final sale: no returns
Retailer 6
-
$981 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$984 SGD
View
Retailer 8
-
$994 SGD
View
Price last confirmed 34 days ago
Retailer 9
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$994 SGD
View
Price last confirmed 27 days ago
A
Retailer 10
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$1,096 SGD
View
A
Retailer 11
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$1,137 SGD
View
A
Retailer 12
-
$1,291 SGD
View
A
Retailer 13
-
$1,293 SGD
View
A
Retailer 14
-
$1,469 SGD
View
A
Retailer 15
-
$1,534 SGD
View
A
Retailer 16
-
$1,585 SGD
View
Retailer 17
-
$1,758 SGD
View
Price last confirmed 22 days ago
A
Retailer 18
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$1,783 SGD
View
A
Retailer 19
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$1,989 SGD
View
B+
Retailer 20
-
$2,343 SGD
View
B+
Retailer 21
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$2,461 SGD
View
B+
Retailer 22
-
$2,473 SGD
View
B+
Retailer 23
-
$2,741 SGD
View
B+
Retailer 24
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$3,013 SGD
View
B+
Retailer 25
-
$3,036 SGD
View
Retailer 26
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$3,086 SGD
View
Price last confirmed 37 days ago
Retailer 27
-
$3,086 SGD
View
Price last confirmed 27 days ago
B+
Retailer 28
-
$3,115 SGD
View
Retailer 29
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$3,417 SGD
View
Price last confirmed 9 days ago
B+
Retailer 30
-
$3,509 SGD
View
B+
Retailer 31
-
$3,538 SGD
View
B+
Retailer 32
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$3,714 SGD
View
B+
Retailer 33
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$4,095 SGD
View
B
Retailer 34
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$4,556 SGD
View
Most Expensive
B
Do Amore Diamonds
27-5980D0A17 · Nov 6
$6,757 SGD
$5,290 USD
View
34 more retailers have this diamond
Prices start from $761 SGDSave up to $5,996 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
$761 SGD