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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 $4,319 AUD
As of November 2, 2026
Save $20,257 AUD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $24,576 AUD 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 $4,319 to $24,576, a $20,257 spread on the same certified stone. Blue Nile lists it at $24,576. 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: $24,576 AUD|Low: $4,319 AUD|High: $24,576 AUD|Avg: $13,244 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$4,319 AUD
Retailer 2$4,698 AUD
Retailer 4$5,009 AUD
Retailer 5$6,909 AUD
Retailer 6$17,756 AUD
Blue Nile$24,576 AUD

5 data points across 6 retailers

6 retailers$4,319 AUD to $24,576 AUD

A
Cheapest Retailer
-
$4,319 AUD
A
Retailer 2
-
$4,698 AUD
View
A
Retailer 3
-
$5,009 AUD
View
B+
Retailer 4
-
$6,909 AUD
View
B
Retailer 5
-
$17,756 AUD
View
Most Expensive
B
Blue Nile
25041143 · Nov 3
$24,576 AUD
$17,163 USD
View
5 more retailers have this diamond
Prices start from $4,319 AUDSave up to $20,257 AUD

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
$4,319 AUD