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Heart|Lab Grown|IGI

4.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG784642611

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784642611

Diamond specifications and retailer prices

From $4,264 AUD
$2,995 USD
As of October 30, 2026
Save $25,062 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $34,424 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4ct lab-grown heart diamond

This 4ct 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 LG784642611 or 784642611. 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

4.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642611
Dimensions9.27 × 10.82 × 6.63 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.27 mm10.82 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642611
Side View
Table 59.0%Crown 36.9°Girdle: THK-VTKPavilion 42°Culet: NoneDepth 61.3%

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: $34,424 AUD|Low: $4,264 AUD|High: $38,201 AUD|Avg: $13,850 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
Retailer 20
October 30, 2026
Retailer 14$4,264 AUD
Retailer 3$4,638 AUD
Retailer 16$4,837 AUD
Retailer 6$4,863 AUD
Retailer 19$5,175 AUD
Retailer 5$5,818 AUD
Retailer 12$5,932 AUD
Retailer 20$6,822 AUD
Retailer 17$7,105 AUD
Retailer 15$7,686 AUD
Retailer 7$9,335 AUD
Retailer 8$11,552 AUD
Retailer 11$11,806 AUD
Retailer 4$12,002 AUD
Retailer 13$13,911 AUD
Retailer 2$18,649 AUD
Retailer 9$20,935 AUD
Retailer 18$29,326 AUD
Retailer 10$31,250 AUD
Novita Diamonds$34,424 AUD

24 data points across 20 retailers

14 retailers$4,264 AUD to $29,326 AUD

A
Cheapest Retailer
-
$4,264 AUD
$2,995 USD
A
Retailer 2
-
$4,638 AUD
$3,258 USD
View
A
Retailer 3
-
$4,837 AUD
$3,398 USD
View
A
Retailer 4
-
$4,863 AUD
$3,416 USD
View
Final sale: no returns
A
Retailer 5
-
$5,175 AUD
$3,635 USD
View
A
Retailer 6
-
$5,818 AUD
$4,087 USD
View
A
Retailer 7
-
$6,822 AUD
$4,792 USD
View
A
Retailer 8
-
$7,105 AUD
$4,991 USD
View
A
Retailer 9
-
$7,686 AUD
$5,399 USD
View
Retailer 10
-
$12,002 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$13,911 AUD
£7,694 GBP
View
B+
Retailer 12
-
$18,649 AUD
$13,100 USD
View
B
Retailer 13
-
$29,326 AUD
$20,600 USD
View
Most Expensive
Novita Diamonds
cert_784642611 · Oct 8
$34,424 AUD
View
Price last confirmed 22 days ago
13 more retailers have this diamond
Prices start from $4,264 AUDSave up to $25,062 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
4.00ct Heart
$4,264 AUD