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Heart|Lab Grown|IGI

1.42ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG801694232

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG801694232

Diamond specifications and retailer prices

From £259 GBP
As of November 4, 2026
Save £2,038 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,296 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.42ct lab-grown heart diamond

This 1.42ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694232 or 801694232. Listed at 13 retailers as of November 4, 2026, with prices from £259 to £2,296, a £2,038 spread on the same certified stone. Do Amore Diamonds lists it at £2,296. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694232
Dimensions7.61 × 6.71 × 4.58 mm
L/W Ratio1.13
Girdle conditionFaceted
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
Top View
7.61 mm6.71 mm1.42 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694232
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.2%

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: £2,296 GBP|Low: £259 GBP|High: £3,207 GBP|Avg: £1,015 GBP|-7.2%
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
November 4, 2026
Retailer 8£259 GBP
Retailer 13£299 GBP
Retailer 2£363 GBP
Retailer 9£440 GBP
Retailer 4£474 GBP
Retailer 11£515 GBP
Retailer 5£623 GBP
Retailer 3£793 GBP
Retailer 10£939 GBP
Retailer 12£1,136 GBP
Retailer 7£1,388 GBP
Retailer 6£2,178 GBP
Do Amore Diamonds£2,296 GBP

40 data points across 13 retailers

13 retailers£259 GBP to £2,296 GBP

A
Cheapest Retailer
-
£259 GBP
A
Retailer 2
-
£299 GBP
View
A
Retailer 3
-
£363 GBP
View
A
Retailer 4
-
£440 GBP
View
A
Retailer 5
-
£474 GBP
View
A
Retailer 6
-
£515 GBP
View
A
Retailer 7
-
£623 GBP
View
B+
Retailer 8
-
£793 GBP
View
B+
Retailer 9
-
£939 GBP
View
B+
Retailer 10
-
£1,136 GBP
View
Retailer 11
-
£1,388 GBP
View
Price last confirmed 7 days ago
B
Retailer 12
-
£2,178 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C8CE9B164 · Nov 4
£2,296 GBP
$3,100 USD
View
12 more retailers have this diamond
Prices start from £259 GBPSave up to £2,038 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
1.42ct Heart
£259 GBP