Heart|Lab Grown|IGI

1.20ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG783663051

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG783663051

Diamond specifications and retailer prices

From £126 GBP
$168 USD
As of October 27, 2026
Save £609 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £735 GBP at MOH London · As of October 29, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783663051 or 783663051. Listed at 13 retailers as of October 27, 2026, with prices from £126 to £735, a £609 spread on the same certified stone. MOH London lists it at £735. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783663051
Dimensions6.62 × 7.58 × 6.62 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.62 mm7.58 mm1.20 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783663051
Side View
Table 64.0%Crown 32.1°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 53.3%

Caratlytics Score

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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 27
Current: £735 GBP|Low: £126 GBP|High: £1,014 GBP|Avg: £413 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 5£126 GBP
Retailer 3£146 GBP
Retailer 9£156 GBP
Retailer 15£183 GBP
Retailer 10£188 GBP
Retailer 2£277 GBP
Retailer 16£280 GBP
Retailer 14£326 GBP
Retailer 11£343 GBP
Retailer 6£366 GBP
Retailer 12£502 GBP
Retailer 4£519 GBP
Retailer 13£553 GBP
Retailer 8£712 GBP
MOH London£735 GBP
Retailer 7£1,014 GBP

3 data points across 16 retailers

13 retailers£126 GBP to £735 GBP

A
Cheapest Retailer
-
£126 GBP
$168 USD
A
Retailer 2
-
£146 GBP
$195 USD
View
A
Retailer 3
-
£156 GBP
$208 USD
View
A
Retailer 4
-
£183 GBP
HK$1,900 HKD
View
A
Retailer 5
-
£188 GBP
View
A
Retailer 6
-
£277 GBP
View
A
Retailer 7
-
£280 GBP
$373 USD
View
B+
Retailer 8
-
£326 GBP
$434 USD
View
B+
Retailer 9
-
£343 GBP
$457 USD
View
B+
Retailer 10
-
£502 GBP
$669 USD
View
B
Retailer 11
-
£519 GBP
$691 USD
View
B
Retailer 12
-
£553 GBP
A$1,133 AUD
View
Most Expensive
B
MOH London
LG783663051 · Oct 29
£735 GBP
View
12 more retailers have this diamond
Prices start from £126 GBPSave up to £609 GBP

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
£126 GBP