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Heart|Lab Grown|IGI

4.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800677281

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800677281

Diamond specifications and retailer prices

From $5,914 AUD
$4,154 USD
As of October 30, 2026
Save $34,944 AUD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $40,857 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown heart diamond

This 4.29ct 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 LG800677281 or 800677281. Listed at 12 retailers as of October 30, 2026, with prices from $5,914 to $40,857, a $34,944 spread on the same certified stone. Do Amore Diamonds lists it at $40,857. 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

4.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677281
Dimensions11.11 × 9.70 × 6.69 mm
L/W Ratio1.15
Girdle conditionFaceted
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
11.11 mm9.70 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677281
Side View
Table 59.0%Crown 36.7°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 60.2%

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: $40,857 AUD|Low: $5,914 AUD|High: $45,769 AUD|Avg: $14,869 AUD|-10.7%
Do Amore 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
October 31, 2026
Retailer 8$5,914 AUD
Retailer 3$6,223 AUD
Retailer 11$6,405 AUD
Retailer 14$6,961 AUD
Retailer 2$6,986 AUD
Retailer 4$7,824 AUD
Retailer 12$8,963 AUD
Retailer 13$9,501 AUD
Retailer 10$10,664 AUD
Retailer 5$14,933 AUD
Retailer 9$15,827 AUD
Retailer 7$22,649 AUD
Retailer 6$22,846 AUD
Do Amore Diamonds$40,857 AUD

28 data points across 14 retailers

12 retailers$5,914 AUD to $40,857 AUD

A
Cheapest Retailer
-
$5,914 AUD
$4,154 USD
A
Retailer 2
-
$6,223 AUD
$4,371 USD
View
A
Retailer 3
-
$6,405 AUD
$4,499 USD
View
A
Retailer 4
-
$6,961 AUD
$4,890 USD
View
A
Retailer 5
-
$6,986 AUD
$4,907 USD
View
A
Retailer 6
-
$7,824 AUD
$5,496 USD
View
Final sale: no returns
A
Retailer 7
-
$8,963 AUD
$6,296 USD
View
A
Retailer 8
-
$9,501 AUD
$6,674 USD
View
A
Retailer 9
-
$10,664 AUD
$7,491 USD
View
B+
Retailer 10
-
$15,827 AUD
£8,754 GBP
View
B+
Retailer 11
-
$22,649 AUD
$15,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-C03A24A2E · Oct 30
$40,857 AUD
$28,700 USD
View
11 more retailers have this diamond
Prices start from $5,914 AUDSave up to $34,944 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
4.29ct Heart
$5,914 AUD