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Heart|Lab Grown|IGI

3.08ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG7518580746

Certificate IGI LG7518580746

Diamond specifications and retailer prices

From £2,249 GBP
As of November 2, 2026
Save £10,549 GBP (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £12,798 GBP at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 3.08ct lab-grown heart diamond

This 3.08ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG7518580746 or 7518580746. Listed at 6 retailers as of November 2, 2026, with prices from £2,249 to £12,798, a £10,549 spread on the same certified stone. Blue Nile lists it at £12,798. 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

3.08
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG7518580746
Dimensions9.80 × 9.15 × 5.70 mm
L/W Ratio1.07
Culet sizeNone
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
9.80 mm9.15 mm3.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG7518580746
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.2%

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: Nov 2
Current: £12,798 GBP|Low: £2,249 GBP|High: £12,798 GBP|Avg: £6,897 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£2,249 GBP
Retailer 2£2,447 GBP
Retailer 4£2,608 GBP
Retailer 5£3,598 GBP
Retailer 6£9,246 GBP
Blue Nile£12,798 GBP

5 data points across 6 retailers

6 retailers£2,249 GBP to £12,798 GBP

A
Cheapest Retailer
-
£2,249 GBP
A
Retailer 2
-
£2,447 GBP
View
A
Retailer 3
-
£2,608 GBP
View
B+
Retailer 4
-
£3,598 GBP
View
B
Retailer 5
-
£9,246 GBP
View
Most Expensive
B
Blue Nile
25041143 · Nov 3
£12,798 GBP
$17,163 USD
View
5 more retailers have this diamond
Prices start from £2,249 GBPSave up to £10,549 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
3.08ct Heart
£2,249 GBP