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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG523292719

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG523292719

Diamond specifications and retailer prices

From £192 GBP
As of November 4, 2026
Save £1,464 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,657 GBP at Do Amore Diamonds · As of November 3, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523292719 or 523292719. Listed at 22 retailers as of November 3, 2026, with prices from £192 to £1,657, a £1,464 spread on the same certified stone. Do Amore Diamonds lists it at £1,657. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523292719
Dimensions8.17 × 6.91 × 4.67 mm
L/W Ratio1.18
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
8.17 mm6.91 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523292719
Side View
Table 57.0%Crown 33.3°Girdle: THN-MEDPavilion 38.1°Culet: NoneDepth 57.2%

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: £1,657 GBP|Low: £192 GBP|High: £2,140 GBP|Avg: £709 GBP|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 5, 2026
Retailer 4£192 GBP
Retailer 7£244 GBP
Retailer 2£273 GBP
Retailer 9£279 GBP
Retailer 5£287 GBP
Retailer 15£405 GBP
Retailer 16£412 GBP
Retailer 3£549 GBP
Retailer 10£589 GBP
Retailer 14£689 GBP
Retailer 12£869 GBP
Retailer 13£883 GBP
Retailer 8£1,039 GBP
Retailer 6£1,205 GBP
Retailer 11£1,287 GBP
Do Amore Diamonds£1,657 GBP

41 data points across 16 retailers

22 retailers£192 GBP to £1,657 GBP

A
Cheapest Retailer
-
£192 GBP
Final sale: no returns
Retailer 2
-
£197 GBP
View
Price last confirmed 19 days ago
Retailer 3
-
£228 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£244 GBP
View
Price last confirmed 18 days ago
Retailer 5
-
£244 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
-
£273 GBP
View
A
Retailer 7
-
£279 GBP
View
B+
Retailer 8
-
£287 GBP
View
Retailer 9
-
£405 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£412 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£549 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£589 GBP
View
B+
Retailer 13
-
£689 GBP
View
Retailer 14
-
£866 GBP
View
Price last confirmed 20 days ago
B
Retailer 15
-
£869 GBP
View
B
Retailer 16
-
£883 GBP
View
B
Retailer 17
-
£883 GBP
View
Retailer 18
-
£988 GBP
View
Price last confirmed 35 days ago
Retailer 19
-
£1,039 GBP
View
Price last confirmed 18 days ago
B
Retailer 20
-
£1,205 GBP
View
B
Retailer 21
-
£1,287 GBP
View
Most Expensive
B
Do Amore Diamonds
27-EA161D975 · Nov 3
£1,657 GBP
$2,230 USD
View
21 more retailers have this diamond
Prices start from £192 GBPSave up to £1,464 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
£192 GBP