Heart|Lab Grown|IGI

1.20ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG848671810

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG848671810

Diamond specifications and retailer prices

From $379 USD
£298 GBP
As of November 2, 2026
Save $613 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $992 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown heart diamond

This 1.2ct 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 LG848671810 or 848671810. Listed at 7 retailers as of November 2, 2026, with prices from $379 to $992, a $613 spread on the same certified stone. MOH London lists it at $992. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848671810
Dimensions6.43 × 7.40 × 4.49 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm7.40 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848671810
Side View
Table 61.0%Crown 37.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 2
Current: $992 USD|Low: $376 USD|High: $992 USD|Avg: $542 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$379 USD
Retailer 5$379 USD
Retailer 3$426 USD
Retailer 4$461 USD
Retailer 6$700 USD
Retailer 7$737 USD
MOH London$992 USD

8 data points across 7 retailers

7 retailers$379 USD to $992 USD

A
Cheapest Retailer
-
$379 USD
£298 GBP
A
Retailer 2
-
$379 USD
View
A
Retailer 3
-
$426 USD
View
B+
Retailer 4
-
$461 USD
View
B
Retailer 5
-
$700 USD
View
B
Retailer 6
-
$737 USD
View
Most Expensive
MOH London
LG848671810 · Nov 2
$992 USD
£781 GBP
View
6 more retailers have this diamond
Prices start from $379 USDSave up to $613 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
1.20ct Heart
$379 USD