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Heart|Lab Grown|IGI

1.19ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG831648694

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648694

Diamond specifications and retailer prices

From £149 GBP
As of November 4, 2026
Save £743 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £892 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.19ct lab-grown heart diamond

This 1.19ct 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 LG831648694 or 831648694. Listed at 18 retailers as of November 4, 2026, with prices from £149 to £892, a £743 spread on the same certified stone. Brilliant Earth lists it at £892. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.19
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle44.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648694
Dimensions7.40 × 6.45 × 4.33 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
7.40 mm6.45 mm1.19 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648694
Side View
Table 69.0%Crown 36.9°Girdle: MED-STKPavilion 44.1°Culet: NoneDepth 58.5%

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: £892 GBP|Low: £149 GBP|High: £921 GBP|Avg: £457 GBP|-3.2%
Brilliant Earth
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 10£149 GBP
Retailer 6£190 GBP
Retailer 2£201 GBP
Retailer 5£281 GBP
Retailer 13£292 GBP
Retailer 8£293 GBP
Retailer 7£314 GBP
Retailer 14£419 GBP
Retailer 3£539 GBP
Retailer 4£548 GBP
Retailer 11£570 GBP
Retailer 9£769 GBP
Retailer 12£837 GBP
Brilliant Earth£892 GBP

41 data points across 14 retailers

18 retailers£149 GBP to £892 GBP

Retailer 1
-
£134 GBP
Price last confirmed 20 days ago
A
Retailer 2
-
£149 GBP
View
Final sale: no returns
Retailer 3
-
£156 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£166 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
£190 GBP
View
A
Retailer 6
-
£201 GBP
View
Retailer 7
-
£281 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£292 GBP
View
B+
Retailer 9
-
£293 GBP
View
B+
Retailer 10
-
£314 GBP
View
B
Retailer 11
-
£419 GBP
View
Retailer 12
-
£535 GBP
View
Price last confirmed 21 days ago
B
Retailer 13
-
£539 GBP
View
B
Retailer 14
-
£548 GBP
View
B
Retailer 15
-
£570 GBP
View
B
Retailer 16
-
£769 GBP
View
B
Retailer 17
-
£837 GBP
View
Most Expensive
B
Brilliant Earth
21285373A · Nov 5
£892 GBP
$1,200 USD
View
17 more retailers have this diamond
Prices start from £149 GBPSave up to £743 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
1.19ct Heart
£149 GBP