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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 $269 USD
HK$2,100 HKD
As of November 1, 2026
Save $825 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,093 USD at MOH London · As of November 2, 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 1, 2026, with prices from $269 to $1,093, a $825 spread on the same certified stone. MOH London lists it at $1,093. 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
Color
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

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 1
Current: $1,093 USD|Low: $377 USD|High: $1,105 USD|Avg: $609 USD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$397 USD
Retailer 4$411 USD
Retailer 5$420 USD
Retailer 2$424 USD
Retailer 7$768 USD
Retailer 6$805 USD
MOH London$1,093 USD

42 data points across 7 retailers

8 retailers$269 USD to $1,093 USD

A
Cheapest Retailer
-
$269 USD
HK$2,100 HKD
A
Retailer 2
-
$397 USD
€378 EUR
View
B+
Retailer 3
-
$411 USD
View
B+
Retailer 4
-
$420 USD
View
B+
Retailer 5
-
$424 USD
£334 GBP
View
B
Retailer 6
-
$792 USD
View
B
Retailer 7
-
$805 USD
View
Most Expensive
B
MOH London
LG617478918 · Nov 2
$1,093 USD
£861 GBP
View
7 more retailers have this diamond
Prices start from $269 USDSave up to $825 USD

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
$269 USD