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Heart|Lab Grown|IGI

4.07ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663815

Certificate IGI LG846663815

Diamond specifications and retailer prices

From £4,574 GBP
$6,129 USD
As of October 30, 2026
Save £13,151 GBP (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £17,725 GBP at With Clarity · As of October 28, 2026
View at With Clarity

About this 4.07ct lab-grown heart diamond

This 4.07ct 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 LG846663815 or 846663815. Listed at 3 retailers as of October 28, 2026, with prices from £4,574 to £17,725, a £13,151 spread on the same certified stone. With Clarity lists it at £17,725. 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

4.07
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663815
Dimensions9.64 × 10.85 × 6.59 mm
L/W Ratio1.13
Top View
9.64 mm10.85 mm4.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663815
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 60.7%

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: £7,891 GBP|Low: £4,574 GBP|High: £17,725 GBP|Avg: £11,703 GBP
Retailer 1
Retailer 2
With Clarity
October 29, 2026
Retailer 2£4,574 GBP
Retailer 1£7,891 GBP
With Clarity£17,725 GBP

3 data points across 3 retailers

3 retailers£4,574 GBP to £17,725 GBP

A
Cheapest Retailer
-
£4,574 GBP
$6,129 USD
B+
Retailer 2
-
£7,891 GBP
View
Most Expensive
B
With Clarity
846663815 · Oct 28
£17,725 GBP
$23,750 USD
View
2 more retailers have this diamond
Prices start from £4,574 GBPSave up to £13,151 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
4.07ct Heart
£4,574 GBP