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Heart|Lab Grown|IGI

1.31ct F VS1 Heart Lab Grown Diamond

VG • F/VS1 • IGI LG811664150

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811664150

Diamond specifications and retailer prices

From $496 SGD
As of November 4, 2026
Save $880 SGD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,376 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG811664150 or 811664150. Listed at 7 retailers as of November 4, 2026, with prices from $496 to $1,376, a $880 spread on the same certified stone. MOH London lists it at $1,376. 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

1.31
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811664150
Dimensions6.99 × 7.29 × 4.64 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.29 mm1.31 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811664150
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 63.6%

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 4
Current: $1,376 SGD|Low: $493 SGD|High: $1,411 SGD|Avg: $789 SGD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$496 SGD
Retailer 7$519 SGD
Retailer 2$529 SGD
Retailer 6$635 SGD
Retailer 5$711 SGD
Retailer 4$1,017 SGD
MOH London$1,376 SGD

45 data points across 7 retailers

7 retailers$496 SGD to $1,376 SGD

A
Cheapest Retailer
-
$496 SGD
A
Retailer 2
-
$519 SGD
View
A
Retailer 3
-
$529 SGD
View
B+
Retailer 4
-
$635 SGD
View
B+
Retailer 5
-
$711 SGD
View
B
Retailer 6
-
$1,017 SGD
View
Most Expensive
B
MOH London
LG811664150 · Nov 5
$1,376 SGD
£848 GBP
View
6 more retailers have this diamond
Prices start from $496 SGDSave up to $880 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
1.31ct Heart
$496 SGD