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Marquise|Lab Grown|IGI

1.51ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563591

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563591

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)
35 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 LG754563591 or 754563591. Listed at 35 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 angle35.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563591
Dimensions11.83 × 6.01 × 3.70 mm
L/W Ratio1.97
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
11.83 mm6.01 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563591
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.6%

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: $2,481 SGD|-9.9%
Do Amore Diamonds
Retailer 2
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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 16$1,268 SGD
Retailer 6$1,433 SGD
Retailer 20$1,503 SGD
Retailer 2$1,546 SGD
Retailer 17$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 18$3,327 SGD
Retailer 4$3,428 SGD
Retailer 15$3,449 SGD
Retailer 11$3,631 SGD
Retailer 24$3,995 SGD
Do Amore Diamonds$6,591 SGD

27 data points across 25 retailers

35 retailers$742 SGD to $6,591 SGD

A
Cheapest Retailer
-
$742 SGD
Retailer 2
-
$835 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$835 SGD
View
Price last confirmed 37 days ago
Retailer 4
-
$909 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$931 SGD
View
Final sale: no returns
Retailer 6
-
$957 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$969 SGD
View
Price last confirmed 34 days ago
Retailer 8
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$969 SGD
View
Price last confirmed 27 days ago
A
Retailer 9
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$1,069 SGD
View
A
Retailer 10
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$1,084 SGD
View
A
Retailer 11
-
$1,086 SGD
View
A
Retailer 12
-
$1,258 SGD
View
A
Retailer 13
-
$1,268 SGD
View
A
Retailer 14
-
$1,433 SGD
View
A
Retailer 15
-
$1,503 SGD
View
A
Retailer 16
-
$1,546 SGD
View
A
Retailer 17
-
$1,750 SGD
View
A
Retailer 18
-
$1,939 SGD
View
B+
Retailer 19
-
$2,285 SGD
View
B+
Retailer 20
-
$2,400 SGD
View
B+
Retailer 21
-
$2,409 SGD
View
B+
Retailer 22
-
$2,673 SGD
View
B+
Retailer 23
-
$2,939 SGD
View
B+
Retailer 24
-
$2,958 SGD
View
Retailer 25
-
$3,009 SGD
View
Price last confirmed 27 days ago
Retailer 26
-
$3,009 SGD
View
Price last confirmed 37 days ago
B+
Retailer 27
-
$3,057 SGD
View
Retailer 28
-
$3,327 SGD
View
Price last confirmed 9 days ago
B+
Retailer 29
-
$3,428 SGD
View
B+
Retailer 30
-
$3,449 SGD
View
B
Retailer 31
-
$3,449 SGD
View
B+
Retailer 32
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$3,631 SGD
View
B+
Retailer 33
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$3,995 SGD
View
Retailer 34
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$4,501 SGD
View
Price last confirmed 29 days ago
Most Expensive
B
Do Amore Diamonds
27-C56CF75EB · Nov 6
$6,591 SGD
$5,160 USD
View
34 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