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Heart|Lab Grown|IGI

1.51ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG659434943

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG659434943

Diamond specifications and retailer prices

From $373 SGD
As of November 2, 2026
Save $1,479 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,852 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG659434943 or 659434943. Listed at 17 retailers as of November 2, 2026, with prices from $373 to $1,852, a $1,479 spread on the same certified stone. MOH London lists it at $1,852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659434943
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659434943
Side View
Table 68.0%Crown 33.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 55.4%

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 2
Current: $1,852 SGD|Low: $358 SGD|High: $1,930 SGD|Avg: $870 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 9$373 SGD
Retailer 3$432 SGD
Retailer 11$461 SGD
Retailer 12$463 SGD
Retailer 2$602 SGD
Retailer 5$608 SGD
Retailer 6$665 SGD
Retailer 13$758 SGD
Retailer 4$794 SGD
Retailer 7$796 SGD
Retailer 8$1,420 SGD
Retailer 10$1,789 SGD
MOH London$1,852 SGD

39 data points across 13 retailers

17 retailers$373 SGD to $1,852 SGD

Retailer 1
-
$358 SGD
Price last confirmed 34 days ago
A
Retailer 2
-
$373 SGD
View
Retailer 3
-
$432 SGD
View
Price last confirmed 37 days ago
Retailer 4
-
$456 SGD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$461 SGD
View
Retailer 6
-
$463 SGD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$602 SGD
View
A
Retailer 8
-
$608 SGD
View
B+
Retailer 9
-
$665 SGD
View
B+
Retailer 10
-
$758 SGD
View
B+
Retailer 11
-
$794 SGD
View
B+
Retailer 12
-
$796 SGD
View
B
Retailer 13
-
$1,420 SGD
View
Retailer 14
-
$1,485 SGD
View
Price last confirmed 36 days ago
B
Retailer 15
-
$1,546 SGD
View
Retailer 16
-
$1,789 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG659434943 · Nov 3
$1,852 SGD
£1,141 GBP
View
16 more retailers have this diamond
Prices start from $373 SGDSave up to $1,479 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 Heart
$373 SGD