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Heart|Lab Grown|IGI

1.41ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632389

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632389

Diamond specifications and retailer prices

From £289 GBP
As of November 4, 2026
Save £1,919 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,207 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.41ct lab-grown heart diamond

This 1.41ct 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 LG840632389 or 840632389. Listed at 19 retailers as of November 4, 2026, with prices from £289 to £2,207, a £1,919 spread on the same certified stone. Brilliant Earth lists it at £2,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.41
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632389
Dimensions6.86 × 7.92 × 4.43 mm
L/W Ratio1.15
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
6.86 mm7.92 mm1.41 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632389
Side View
Table 59.0%Crown 36.4°Girdle: Slightly ThickPavilion 37.8°Culet: NoneDepth 55.9%

Caratlytics Score

How it works →
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: £2,207 GBP|Low: £289 GBP|High: £3,111 GBP|Avg: £851 GBP|-29.0%
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 9£289 GBP
Retailer 3£324 GBP
Retailer 5£346 GBP
Retailer 16£359 GBP
Retailer 19£359 GBP
Retailer 12£368 GBP
Retailer 17£467 GBP
Retailer 8£536 GBP
Retailer 10£569 GBP
Retailer 15£618 GBP
Retailer 2£644 GBP
Retailer 4£782 GBP
Retailer 14£869 GBP
Retailer 6£1,127 GBP
Retailer 18£1,153 GBP
Retailer 7£1,179 GBP
Retailer 11£1,292 GBP
Retailer 13£1,401 GBP
Brilliant Earth£2,207 GBP

28 data points across 19 retailers

19 retailers£289 GBP to £2,207 GBP

A
Cheapest Retailer
-
£289 GBP
A
Retailer 2
-
£324 GBP
View
A
Retailer 3
-
£346 GBP
View
Final sale: no returns
Retailer 4
-
£359 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£359 GBP
View
A
Retailer 6
-
£368 GBP
View
A
Retailer 7
-
£467 GBP
View
A
Retailer 8
-
£536 GBP
View
A
Retailer 9
-
£569 GBP
View
A
Retailer 10
-
£618 GBP
View
A
Retailer 11
-
£644 GBP
View
B+
Retailer 12
-
£782 GBP
View
B+
Retailer 13
-
£869 GBP
View
B+
Retailer 14
-
£1,127 GBP
View
B+
Retailer 15
-
£1,153 GBP
View
B+
Retailer 16
-
£1,179 GBP
View
B+
Retailer 17
-
£1,292 GBP
View
B+
Retailer 18
-
£1,401 GBP
View
Most Expensive
B
Brilliant Earth
21738550A · Nov 4
£2,207 GBP
$2,980 USD
View
18 more retailers have this diamond
Prices start from £289 GBPSave up to £1,919 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
1.41ct Heart
£289 GBP