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Heart|Lab Grown|IGI

4.02ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG754594325

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754594325

Diamond specifications and retailer prices

From $4,284 AUD
$3,009 USD
As of October 30, 2026
Save $25,185 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $34,598 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.02ct lab-grown heart diamond

This 4.02ct 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 LG754594325 or 754594325. Listed at 14 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.02
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594325
Dimensions9.34 × 10.98 × 6.65 mm
L/W Ratio1.18
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
9.34 mm10.98 mm4.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594325
Side View
Table 58.0%Crown 35.9°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 60.6%

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: $34,598 AUD|Low: $4,188 AUD|High: $38,394 AUD|Avg: $13,212 AUD|-0.1%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 14$4,284 AUD
Retailer 4$4,661 AUD
Retailer 16$4,860 AUD
Retailer 6$4,886 AUD
Retailer 3$5,196 AUD
Retailer 12$5,870 AUD
Retailer 19$6,853 AUD
Retailer 17$6,993 AUD
Retailer 15$7,722 AUD
Retailer 7$9,390 AUD
Retailer 8$11,608 AUD
Retailer 11$11,810 AUD
Retailer 5$12,062 AUD
Retailer 13$13,976 AUD
Retailer 2$18,635 AUD
Retailer 10$21,035 AUD
Retailer 9$21,993 AUD
Retailer 18$29,469 AUD
Novita Diamonds$34,598 AUD

27 data points across 19 retailers

14 retailers$4,284 AUD to $29,469 AUD

A
Cheapest Retailer
-
$4,284 AUD
$3,009 USD
A
Retailer 2
-
$4,661 AUD
$3,274 USD
View
A
Retailer 3
-
$4,860 AUD
$3,414 USD
View
A
Retailer 4
-
$4,886 AUD
$3,432 USD
View
Final sale: no returns
A
Retailer 5
-
$5,196 AUD
$3,650 USD
View
A
Retailer 6
-
$5,870 AUD
$4,123 USD
View
A
Retailer 7
-
$6,853 AUD
$4,814 USD
View
A
Retailer 8
-
$6,993 AUD
$4,912 USD
View
A
Retailer 9
-
$7,722 AUD
$5,424 USD
View
Retailer 10
-
$12,062 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$13,976 AUD
£7,730 GBP
View
B+
Retailer 12
-
$18,635 AUD
$13,090 USD
View
B
Retailer 13
-
$29,469 AUD
$20,700 USD
View
Most Expensive
Novita Diamonds
cert_754594325 · Oct 8
$34,598 AUD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from $4,284 AUDSave up to $25,185 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
4.02ct Heart
$4,284 AUD