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Marquise|Lab Grown|IGI

1.50ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG850630371

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850630371

Diamond specifications and retailer prices

From $326 SGD
As of November 6, 2026
Save $1,925 SGD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,250 SGD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850630371 or 850630371. Listed at 21 retailers as of November 6, 2026, with prices from $326 to $2,250, a $1,925 spread on the same certified stone. Helzberg Diamonds lists it at $2,250. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850630371
Dimensions11.90 × 6.04 × 3.67 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm6.04 mm1.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850630371
Side View
Table 56.0%Crown 30°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: $2,250 SGD|Low: $326 SGD|High: $2,250 SGD|Avg: $1,015 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 20
November 6, 2026
Retailer 19$326 SGD
Retailer 3$405 SGD
Retailer 7$459 SGD
Retailer 14$469 SGD
Retailer 11$545 SGD
Retailer 4$609 SGD
Retailer 13$656 SGD
Retailer 20$664 SGD
Retailer 2$684 SGD
Retailer 15$763 SGD
Retailer 5$837 SGD
Retailer 16$946 SGD
Retailer 18$1,242 SGD
Retailer 6$1,300 SGD
Retailer 12$1,326 SGD
Retailer 10$1,365 SGD
Retailer 9$1,590 SGD
Retailer 17$1,620 SGD
Retailer 8$1,666 SGD
Helzberg Diamonds$2,250 SGD

10 data points across 20 retailers

21 retailers$326 SGD to $2,250 SGD

A
Cheapest Retailer
-
$326 SGD
A
Retailer 2
-
$405 SGD
View
A
Retailer 3
-
$459 SGD
View
A
Retailer 4
-
$469 SGD
View
B+
Retailer 5
-
$545 SGD
View
A
Retailer 6
-
$609 SGD
View
A
Retailer 7
-
$656 SGD
View
A
Retailer 8
-
$664 SGD
View
A
Retailer 9
-
$684 SGD
View
A
Retailer 10
-
$763 SGD
View
A
Retailer 11
-
$837 SGD
View
B+
Retailer 12
-
$946 SGD
View
B+
Retailer 13
-
$1,242 SGD
View
B+
Retailer 14
-
$1,300 SGD
View
B
Retailer 15
-
$1,326 SGD
View
B
Retailer 16
-
$1,365 SGD
View
B
Retailer 17
-
$1,590 SGD
View
B
Retailer 18
-
$1,620 SGD
View
B
Retailer 19
-
$1,666 SGD
View
B
Retailer 20
-
$2,127 SGD
View
Most Expensive
B
Helzberg Diamonds
ZXZOLGMJGJNH · Nov 6
$2,250 SGD
$1,756 USD
View
20 more retailers have this diamond
Prices start from $326 SGDSave up to $1,925 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
1.50ct Marquise
$326 SGD