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Heart|Lab Grown|IGI

1.20ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG589381553

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG589381553

Diamond specifications and retailer prices

From £194 GBP
As of November 6, 2026
Save £1,532 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,726 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG589381553 or 589381553. Listed at 18 retailers as of November 6, 2026, with prices from £194 to £1,726, a £1,532 spread on the same certified stone. Do Amore Diamonds lists it at £1,726. 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
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589381553
Dimensions6.64 × 7.48 × 4.23 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.64 mm7.48 mm1.20 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589381553
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 56.6%

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: Nov 6
Current: £1,726 GBP|Low: £187 GBP|High: £1,726 GBP|Avg: £582 GBP
Do Amore Diamonds
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
November 6, 2026
Retailer 14£194 GBP
Retailer 12£217 GBP
Retailer 5£226 GBP
Retailer 3£241 GBP
Retailer 6£312 GBP
Retailer 2£323 GBP
Retailer 10£458 GBP
Retailer 7£464 GBP
Retailer 9£652 GBP
Retailer 11£740 GBP
Retailer 4£855 GBP
Retailer 13£1,033 GBP
Retailer 8£1,063 GBP
Do Amore Diamonds£1,726 GBP

46 data points across 14 retailers

18 retailers£194 GBP to £1,726 GBP

A
Cheapest Retailer
-
£194 GBP
A
Retailer 2
-
£217 GBP
View
Final sale: no returns
A
Retailer 3
-
£226 GBP
View
A
Retailer 4
-
£241 GBP
View
A
Retailer 5
-
£274 GBP
View
B+
Retailer 6
-
£312 GBP
View
B+
Retailer 7
-
£323 GBP
View
A
Retailer 8
-
£323 GBP
View
B+
Retailer 9
-
£359 GBP
View
B+
Retailer 10
-
£458 GBP
View
B+
Retailer 11
-
£464 GBP
View
B
Retailer 12
-
£652 GBP
View
B
Retailer 13
-
£740 GBP
View
B
Retailer 14
-
£855 GBP
View
B
Retailer 15
-
£979 GBP
View
B
Retailer 16
-
£1,033 GBP
View
B
Retailer 17
-
£1,063 GBP
View
Most Expensive
B
Do Amore Diamonds
27-06743447B · Nov 6
£1,726 GBP
$2,310 USD
View
17 more retailers have this diamond
Prices start from £194 GBPSave up to £1,532 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
£194 GBP