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Heart|Lab Grown|IGI

4.09ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG795641446

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG795641446

Diamond specifications and retailer prices

From £4,526 GBP
$6,065 USD
As of October 30, 2026
Save £14,362 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £18,889 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.09ct lab-grown heart diamond

This 4.09ct 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 LG795641446 or 795641446. Listed at 14 retailers as of October 30, 2026, with prices from £4,526 to £18,889, a £14,362 spread on the same certified stone. With Clarity lists it at £18,889. 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

4.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795641446
Dimensions10.02 × 11.34 × 6.36 mm
L/W Ratio1.13
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
10.02 mm11.34 mm4.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795641446
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 56.1%

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: Oct 30
Current: £8,332 GBP|Low: £3,575 GBP|High: £19,760 GBP|Avg: £9,524 GBP|-25.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 30, 2026
Retailer 5£3,575 GBP
Retailer 3£4,526 GBP
Retailer 2£4,768 GBP
Retailer 13£4,964 GBP
Retailer 6£5,292 GBP
Retailer 11£5,374 GBP
Retailer 8£6,379 GBP
Retailer 10£7,427 GBP
Retailer 1£8,332 GBP
Retailer 9£10,154 GBP
Retailer 7£10,564 GBP
Retailer 12£16,173 GBP
Retailer 4£17,448 GBP
With Clarity£18,511 GBP

33 data points across 14 retailers

14 retailers£4,526 GBP to £18,889 GBP

A
Cheapest Retailer
-
£4,526 GBP
$6,065 USD
A
Retailer 2
-
£4,768 GBP
$6,389 USD
View
Retailer 3
-
£4,964 GBP
$6,651 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£5,292 GBP
HK$55,400 HKD
View
A
Retailer 5
-
£5,374 GBP
$7,201 USD
View
A
Retailer 6
-
£6,379 GBP
View
B+
Retailer 7
-
£7,427 GBP
$9,952 USD
View
B+
Retailer 8
-
£7,898 GBP
$10,583 USD
View
B+
Retailer 9
-
£8,332 GBP
$11,164 USD
View
B+
Retailer 10
-
£10,154 GBP
View
B+
Retailer 11
-
£10,564 GBP
ZAR 228,678 ZAR
View
B
Retailer 12
-
£16,173 GBP
$21,670 USD
View
B
Retailer 13
-
£17,448 GBP
$23,378 USD
View
Most Expensive
B
With Clarity
795641446 · Oct 30
£18,889 GBP
$25,309 USD
View
13 more retailers have this diamond
Prices start from £4,526 GBPSave up to £14,362 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
4.09ct Heart
£4,526 GBP