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Marquise|Lab Grown|IGI

1.51ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG743593432

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743593432

Diamond specifications and retailer prices

From $742 SGD
As of November 4, 2026
Save $5,849 SGD (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $6,591 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG743593432 or 743593432. Listed at 29 retailers as of November 4, 2026, with prices from $742 to $6,591, a $5,849 spread on the same certified stone. Do Amore Diamonds lists it at $6,591. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593432
Dimensions12.16 × 5.95 × 3.66 mm
L/W Ratio2.04
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
12.16 mm5.95 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593432
Side View
Table 60.0%Crown 33.5°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.5%

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: $6,591 SGD|Low: $742 SGD|High: $7,319 SGD|Avg: $2,435 SGD|-9.9%
Do Amore Diamonds
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November 6, 2026
Retailer 5$742 SGD
Retailer 23$931 SGD
Retailer 13$1,069 SGD
Retailer 22$1,084 SGD
Retailer 25$1,086 SGD
Retailer 3$1,258 SGD
Retailer 17$1,268 SGD
Retailer 6$1,433 SGD
Retailer 20$1,503 SGD
Retailer 2$1,546 SGD
Retailer 18$1,750 SGD
Retailer 14$1,939 SGD
Retailer 8$2,285 SGD
Retailer 21$2,400 SGD
Retailer 12$2,409 SGD
Retailer 7$2,673 SGD
Retailer 10$2,939 SGD
Retailer 19$2,958 SGD
Retailer 9$3,057 SGD
Retailer 4$3,428 SGD
Retailer 16$3,449 SGD
Retailer 11$3,631 SGD
Retailer 24$3,995 SGD
Retailer 15$4,448 SGD
Do Amore Diamonds$6,591 SGD

25 data points across 25 retailers

29 retailers$742 SGD to $6,591 SGD

A
Cheapest Retailer
-
$742 SGD
A
Retailer 2
-
$931 SGD
View
Final sale: no returns
Retailer 3
-
$969 SGD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$1,069 SGD
View
A
Retailer 5
-
$1,084 SGD
View
A
Retailer 6
-
$1,086 SGD
View
A
Retailer 7
-
$1,258 SGD
View
A
Retailer 8
-
$1,268 SGD
View
A
Retailer 9
-
$1,433 SGD
View
A
Retailer 10
-
$1,503 SGD
View
A
Retailer 11
-
$1,546 SGD
View
A
Retailer 12
-
$1,750 SGD
View
A
Retailer 13
-
$1,939 SGD
View
B+
Retailer 14
-
$2,285 SGD
View
B+
Retailer 15
-
$2,400 SGD
View
B+
Retailer 16
-
$2,409 SGD
View
B+
Retailer 17
-
$2,673 SGD
View
B+
Retailer 18
-
$2,939 SGD
View
B+
Retailer 19
-
$2,958 SGD
View
Retailer 20
-
$3,009 SGD
View
Price last confirmed 27 days ago
Retailer 21
-
$3,009 SGD
View
Price last confirmed 37 days ago
B+
Retailer 22
-
$3,057 SGD
View
Retailer 23
-
$3,334 SGD
View
Price last confirmed 30 days ago
B+
Retailer 24
-
$3,428 SGD
View
B+
Retailer 25
-
$3,449 SGD
View
B+
Retailer 26
-
$3,631 SGD
View
B+
Retailer 27
-
$3,995 SGD
View
B
Retailer 28
-
$4,448 SGD
View
Most Expensive
B
Do Amore Diamonds
27-70C6F4A4B · Nov 6
$6,591 SGD
$5,160 USD
View
28 more retailers have this diamond
Prices start from $742 SGDSave up to $5,849 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
1.51ct Marquise
$742 SGD