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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 €240 EUR
HK$2,100 HKD
As of October 31, 2026
Save €740 EUR (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €979 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €240 to €979, a €740 spread on the same certified stone. MOH London lists it at €979. 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: Oct 31
Current: €979 EUR|Low: €336 EUR|High: €985 EUR|Avg: €541 EUR|+3.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3€354 EUR
Retailer 4€366 EUR
Retailer 5€374 EUR
Retailer 2€378 EUR
Retailer 7€685 EUR
Retailer 6€718 EUR
MOH London€979 EUR

42 data points across 7 retailers

8 retailers€240 EUR to €979 EUR

A
Cheapest Retailer
-
€240 EUR
HK$2,100 HKD
A
Retailer 2
-
€354 EUR
View
B+
Retailer 3
-
€366 EUR
$411 USD
View
B+
Retailer 4
-
€374 EUR
$420 USD
View
B+
Retailer 5
-
€378 EUR
£334 GBP
View
B
Retailer 6
-
€706 EUR
$792 USD
View
B
Retailer 7
-
€718 EUR
$805 USD
View
Most Expensive
B
MOH London
LG617478918 · Oct 29
€979 EUR
£865 GBP
View
7 more retailers have this diamond
Prices start from €240 EURSave up to €740 EUR

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
€240 EUR