CaratHunter
Plans
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 $382 AUD
As of November 4, 2026
Save $1,171 AUD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,553 AUD 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 $382 to $1,553, a $1,171 spread on the same certified stone. MOH London lists it at $1,553. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,553 AUD|Low: $537 AUD|High: $1,575 AUD|Avg: $872 AUD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$564 AUD
Retailer 4$586 AUD
Retailer 2$599 AUD
Retailer 5$599 AUD
Retailer 7$1,095 AUD
Retailer 6$1,148 AUD
MOH London$1,553 AUD

43 data points across 7 retailers

8 retailers$382 AUD to $1,553 AUD

A
Cheapest Retailer
-
$382 AUD
A
Retailer 2
-
$564 AUD
View
B+
Retailer 3
-
$586 AUD
View
B+
Retailer 4
-
$599 AUD
View
B+
Retailer 5
-
$599 AUD
View
B
Retailer 6
-
$1,129 AUD
View
B
Retailer 7
-
$1,148 AUD
View
Most Expensive
B
MOH London
LG617478918 · Nov 5
$1,553 AUD
£858 GBP
View
7 more retailers have this diamond
Prices start from $382 AUDSave up to $1,171 AUD

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
$382 AUD