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Marquise|Lab Grown|IGI

1.51ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG754594512

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594512

Diamond specifications and retailer prices

From $820 SGD
As of November 6, 2026
Save $3,618 SGD (82%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,438 SGD at Novita Diamonds · As of October 31, 2026
View at Novita 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 very-good cut grade and certified by IGI LG754594512 or 754594512. Listed at 28 retailers as of October 31, 2026, with prices from $820 to $4,438, a $3,618 spread on the same certified stone. Novita Diamonds lists it at $4,438. 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

1.51
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594512
Dimensions12.43 × 5.91 × 3.59 mm
L/W Ratio2.10
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
12.43 mm5.91 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594512
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.7%

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: $4,438 SGD|Low: $820 SGD|High: $5,007 SGD|Avg: $2,374 SGD
Novita Diamonds
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Retailer 28
November 6, 2026
Retailer 23$820 SGD
Retailer 25$892 SGD
Retailer 4$950 SGD
Retailer 13$1,024 SGD
Retailer 5$1,060 SGD
Retailer 24$1,069 SGD
Retailer 6$1,160 SGD
Retailer 19$1,362 SGD
Retailer 10$1,433 SGD
Retailer 3$1,438 SGD
Retailer 27$1,503 SGD
Retailer 2$1,546 SGD
Retailer 20$1,733 SGD
Retailer 17$1,939 SGD
Retailer 28$2,400 SGD
Retailer 16$2,409 SGD
Retailer 11$2,429 SGD
Retailer 22$2,673 SGD
Retailer 26$2,958 SGD
Retailer 9$3,243 SGD
Retailer 8$3,281 SGD
Retailer 12$3,325 SGD
Retailer 21$3,327 SGD
Retailer 14$3,372 SGD
Retailer 7$3,474 SGD
Retailer 15$3,559 SGD
Retailer 18$4,146 SGD
Novita Diamonds$4,438 SGD

21 data points across 28 retailers

28 retailers$820 SGD to $4,438 SGD

A
Cheapest Retailer
-
$820 SGD
A
Retailer 2
-
$892 SGD
View
A
Retailer 3
-
$950 SGD
View
A
Retailer 4
-
$1,024 SGD
View
Final sale: no returns
A
Retailer 5
-
$1,060 SGD
View
A
Retailer 6
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$1,069 SGD
View
A
Retailer 7
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$1,160 SGD
View
A
Retailer 8
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$1,362 SGD
View
A
Retailer 9
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$1,433 SGD
View
A
Retailer 10
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$1,438 SGD
View
A
Retailer 11
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$1,503 SGD
View
A
Retailer 12
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$1,546 SGD
View
A
Retailer 13
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$1,733 SGD
View
A
Retailer 14
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$1,939 SGD
View
B+
Retailer 15
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$2,400 SGD
View
B+
Retailer 16
-
$2,409 SGD
View
B+
Retailer 17
-
$2,429 SGD
View
B+
Retailer 18
-
$2,673 SGD
View
B+
Retailer 19
-
$2,958 SGD
View
B
Retailer 20
-
$3,243 SGD
View
B
Retailer 21
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$3,281 SGD
View
B
Retailer 22
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$3,325 SGD
View
Retailer 23
-
$3,327 SGD
View
Price last confirmed 9 days ago
B
Retailer 24
-
$3,372 SGD
View
B
Retailer 25
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$3,474 SGD
View
B
Retailer 26
-
$3,559 SGD
View
B
Retailer 27
-
$4,146 SGD
View
Most Expensive
B
Novita Diamonds
cert_754594512 · Oct 31
$4,438 SGD
A$5,346 AUD
View
27 more retailers have this diamond
Prices start from $820 SGDSave up to $3,618 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
$820 SGD