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Heart|Lab Grown|IGI

1.18ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG617478918

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG617478918

Diamond specifications and retailer prices

From $342 SGD
As of November 4, 2026
Save $1,050 SGD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,392 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.18ct lab-grown heart diamond

This 1.18ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617478918 or 617478918. Listed at 8 retailers as of November 4, 2026, with prices from $342 to $1,392, a $1,050 spread on the same certified stone. MOH London lists it at $1,392. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617478918
Dimensions6.80 × 7.15 × 4.08 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.80 mm7.15 mm1.18 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617478918
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,392 SGD|Low: $482 SGD|High: $1,412 SGD|Avg: $781 SGD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$506 SGD
Retailer 4$525 SGD
Retailer 2$537 SGD
Retailer 5$537 SGD
Retailer 7$981 SGD
Retailer 6$1,029 SGD
MOH London$1,392 SGD

43 data points across 7 retailers

8 retailers$342 SGD to $1,392 SGD

A
Cheapest Retailer
-
$342 SGD
A
Retailer 2
-
$506 SGD
View
B+
Retailer 3
-
$525 SGD
View
B+
Retailer 4
-
$537 SGD
View
B+
Retailer 5
-
$537 SGD
View
B
Retailer 6
-
$1,012 SGD
View
B
Retailer 7
-
$1,029 SGD
View
Most Expensive
B
MOH London
LG617478918 · Nov 5
$1,392 SGD
£858 GBP
View
7 more retailers have this diamond
Prices start from $342 SGDSave up to $1,050 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
1.18ct Heart
$342 SGD