CaratHunter
Plans
Heart|Lab Grown|IGI

4.25ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784642613

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784642613

Diamond specifications and retailer prices

From $5,861 AUD
$4,117 USD
As of October 30, 2026
Save $34,455 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $40,316 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown heart diamond

This 4.25ct 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 LG784642613 or 784642613. Listed at 12 retailers as of October 30, 2026, with prices from $5,861 to $40,316, a $34,455 spread on the same certified stone. Do Amore Diamonds lists it at $40,316. 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

4.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642613
Dimensions11.06 × 9.82 × 6.72 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm9.82 mm4.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642613
Side View
Table 58.0%Crown 34.3°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 60.8%

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: $40,316 AUD|Low: $5,810 AUD|High: $45,356 AUD|Avg: $14,626 AUD|-11.1%
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
November 1, 2026
Retailer 12$5,861 AUD
Retailer 3$6,167 AUD
Retailer 8$6,324 AUD
Retailer 9$6,869 AUD
Retailer 10$6,870 AUD
Retailer 4$7,756 AUD
Retailer 14$8,883 AUD
Retailer 7$9,377 AUD
Retailer 2$10,525 AUD
Retailer 5$14,804 AUD
Retailer 13$15,686 AUD
Retailer 11$22,436 AUD
Retailer 6$22,634 AUD
Do Amore Diamonds$40,316 AUD

30 data points across 14 retailers

12 retailers$5,861 AUD to $40,316 AUD

A
Cheapest Retailer
-
$5,861 AUD
$4,117 USD
A
Retailer 2
-
$6,167 AUD
$4,332 USD
View
A
Retailer 3
-
$6,324 AUD
$4,442 USD
View
A
Retailer 4
-
$6,869 AUD
$4,825 USD
View
A
Retailer 5
-
$6,870 AUD
$4,826 USD
View
A
Retailer 6
-
$7,756 AUD
$5,448 USD
View
Final sale: no returns
A
Retailer 7
-
$8,883 AUD
$6,240 USD
View
A
Retailer 8
-
$9,377 AUD
$6,587 USD
View
A
Retailer 9
-
$10,525 AUD
$7,393 USD
View
B+
Retailer 10
-
$15,686 AUD
£8,676 GBP
View
B+
Retailer 11
-
$22,436 AUD
$15,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B1D1C700 · Nov 1
$40,316 AUD
$28,320 USD
View
11 more retailers have this diamond
Prices start from $5,861 AUDSave up to $34,455 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
4.25ct Heart
$5,861 AUD