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Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663578

Certificate IGI LG846663578

Diamond specifications and retailer prices

From $5,984 AUD
£3,310 GBP
As of October 30, 2026
Save $27,493 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $33,477 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.03ct lab-grown heart diamond

This 4.03ct 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 LG846663578 or 846663578. Listed at 10 retailers as of October 30, 2026, with prices from $5,984 to $33,477, a $27,493 spread on the same certified stone. With Clarity lists it at $33,477. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663578
Dimensions10.18 × 10.75 × 6.38 mm
L/W Ratio1.06
Top View
10.18 mm10.75 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663578
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

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 30
Current: $9,322 AUD|Low: $5,984 AUD|High: $33,477 AUD|Avg: $15,914 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 3$5,984 AUD
Retailer 4$7,225 AUD
Retailer 8$8,579 AUD
Retailer 7$8,952 AUD
Retailer 1$9,322 AUD
Retailer 9$14,446 AUD
Retailer 5$14,912 AUD
Retailer 6$15,771 AUD
Retailer 2$24,941 AUD
With Clarity$33,477 AUD

6 data points across 10 retailers

10 retailers$5,984 AUD to $33,477 AUD

A
Cheapest Retailer
-
$5,984 AUD
£3,310 GBP
A
Retailer 2
-
$7,225 AUD
$5,075 USD
View
A
Retailer 3
-
$8,579 AUD
$6,026 USD
View
A
Retailer 4
-
$8,952 AUD
$6,288 USD
View
A
Retailer 5
-
$9,322 AUD
$6,548 USD
View
B+
Retailer 6
-
$14,446 AUD
€9,664 EUR
View
B+
Retailer 7
-
$14,912 AUD
£8,248 GBP
View
B+
Retailer 8
-
$15,771 AUD
$11,078 USD
View
B+
Retailer 9
-
$24,941 AUD
$17,520 USD
View
Most Expensive
B
With Clarity
846663578 · Oct 31
$33,477 AUD
$23,516 USD
View
9 more retailers have this diamond
Prices start from $5,984 AUDSave up to $27,493 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
4.03ct Heart
$5,984 AUD