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Heart|Lab Grown|IGI

1.51ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG656414930

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG656414930

Diamond specifications and retailer prices

From £288 GBP
As of November 4, 2026
Save £1,153 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,548 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656414930 or 656414930. Listed at 19 retailers as of November 4, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656414930
Dimensions6.78 × 8.11 × 4.70 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm8.11 mm1.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656414930
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.0%

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 4
Current: £2,548 GBP|Low: £276 GBP|High: £2,548 GBP|Avg: £830 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 5, 2026
Retailer 3£288 GBP
Retailer 13£322 GBP
Retailer 4£357 GBP
Retailer 10£418 GBP
Retailer 5£428 GBP
Retailer 6£473 GBP
Retailer 2£643 GBP
Retailer 8£678 GBP
Retailer 9£916 GBP
Retailer 11£999 GBP
Retailer 14£1,323 GBP
Retailer 12£1,334 GBP
Retailer 7£1,441 GBP
Do Amore Diamonds£2,548 GBP

43 data points across 14 retailers

19 retailers£288 GBP to £1,441 GBP

A
Cheapest Retailer
-
£288 GBP
A
Retailer 2
-
£322 GBP
View
A
Retailer 3
-
£322 GBP
View
Final sale: no returns
A
Retailer 4
-
£357 GBP
View
Retailer 5
-
£357 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£394 GBP
View
B+
Retailer 7
-
£428 GBP
View
B+
Retailer 8
-
£468 GBP
View
B+
Retailer 9
-
£473 GBP
View
B+
Retailer 10
-
£643 GBP
View
B+
Retailer 11
-
£678 GBP
View
B
Retailer 12
-
£916 GBP
View
B
Retailer 13
-
£999 GBP
View
B
Retailer 14
-
£1,265 GBP
View
B
Retailer 15
-
£1,323 GBP
View
B
Retailer 16
-
£1,334 GBP
View
B
Retailer 17
-
£1,377 GBP
View
B
Retailer 18
-
£1,441 GBP
View
Most Expensive
Do Amore Diamonds
27-0D90983EA · Nov 5
£2,548 GBP
$3,430 USD
View
Price under review
18 more retailers have this diamond
Prices start from £288 GBPSave up to £1,153 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
1.51ct Heart
£288 GBP