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Heart|Lab Grown|IGI

4.04ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784604229

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784604229

Diamond specifications and retailer prices

From £3,161 GBP
$4,236 USD
As of October 31, 2026
Save £17,378 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £20,539 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.04ct lab-grown heart diamond

This 4.04ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784604229 or 784604229. Listed at 17 retailers as of October 30, 2026, with prices from £3,161 to £20,539, a £17,378 spread on the same certified stone. Do Amore Diamonds lists it at £20,539. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.04
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604229
Dimensions10.96 × 9.59 × 6.30 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
10.96 mm9.59 mm4.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604229
Side View
Table 60.0%Crown 37.6°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £20,539 GBP|Low: £3,344 GBP|High: £24,935 GBP|Avg: £8,390 GBP|-17.6%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 5£3,344 GBP
Retailer 16£3,466 GBP
Retailer 11£3,504 GBP
Retailer 14£3,513 GBP
Retailer 10£3,835 GBP
Retailer 7£4,204 GBP
Retailer 9£4,306 GBP
Retailer 15£4,593 GBP
Retailer 2£4,916 GBP
Retailer 17£4,955 GBP
Retailer 13£7,957 GBP
Retailer 12£8,135 GBP
Retailer 3£8,521 GBP
Retailer 18£9,533 GBP
Retailer 4£13,638 GBP
Retailer 8£14,341 GBP
Retailer 6£17,146 GBP
Do Amore Diamonds£20,539 GBP

31 data points across 18 retailers

17 retailers£3,161 GBP to £20,539 GBP

A
Cheapest Retailer
-
£3,161 GBP
$4,236 USD
A
Retailer 2
-
£3,344 GBP
$4,480 USD
View
Final sale: no returns
A
Retailer 3
-
£3,466 GBP
$4,644 USD
View
A
Retailer 4
-
£3,504 GBP
$4,695 USD
View
Retailer 5
-
£4,204 GBP
$5,633 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£4,576 GBP
$6,132 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
£4,593 GBP
$6,154 USD
View
A
Retailer 8
-
£4,916 GBP
View
A
Retailer 9
-
£4,955 GBP
$6,639 USD
View
B+
Retailer 10
-
£7,957 GBP
View
B+
Retailer 11
-
£8,135 GBP
ZAR 176,098 ZAR
View
B+
Retailer 12
-
£8,521 GBP
$11,417 USD
View
B+
Retailer 13
-
£9,533 GBP
$12,773 USD
View
B
Retailer 14
-
£13,638 GBP
$18,274 USD
View
B
Retailer 15
-
£14,341 GBP
$19,215 USD
View
B
Retailer 16
-
£17,146 GBP
$22,974 USD
View
Most Expensive
B
Do Amore Diamonds
27-46206116D · Oct 30
£20,539 GBP
$27,520 USD
View
16 more retailers have this diamond
Prices start from £3,161 GBPSave up to £17,378 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
4.04ct Heart
£3,161 GBP