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Heart|Lab Grown|IGI

4.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645686

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645686

Diamond specifications and retailer prices

From $5,729 AUD
$4,024 USD
As of October 30, 2026
Save $33,848 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $39,576 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown heart diamond

This 4.15ct 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 LG784645686 or 784645686. Listed at 13 retailers as of October 30, 2026, with prices from $5,729 to $39,576, a $33,848 spread on the same certified stone. Do Amore Diamonds lists it at $39,576. 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

4.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645686
Dimensions10.85 × 10.18 × 6.40 mm
L/W Ratio1.07
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
10.85 mm10.18 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645686
Side View
Table 57.0%Crown 36.6°Girdle: STK-VTKPavilion 39.4°Culet: NoneDepth 59.0%

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: $39,576 AUD|Low: $5,679 AUD|High: $44,331 AUD|Avg: $13,682 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 9$5,729 AUD
Retailer 4$6,029 AUD
Retailer 12$6,210 AUD
Retailer 2$6,584 AUD
Retailer 3$6,748 AUD
Retailer 5$7,579 AUD
Retailer 13$8,851 AUD
Retailer 14$9,205 AUD
Retailer 11$10,334 AUD
Retailer 7$12,632 AUD
Retailer 6$14,470 AUD
Retailer 10$15,333 AUD
Retailer 8$18,151 AUD
Do Amore Diamonds$39,576 AUD

32 data points across 14 retailers

13 retailers$5,729 AUD to $39,576 AUD

A
Cheapest Retailer
-
$5,729 AUD
$4,024 USD
A
Retailer 2
-
$6,029 AUD
$4,235 USD
View
A
Retailer 3
-
$6,210 AUD
$4,362 USD
View
A
Retailer 4
-
$6,584 AUD
$4,625 USD
View
A
Retailer 5
-
$6,748 AUD
$4,740 USD
View
A
Retailer 6
-
$7,579 AUD
$5,324 USD
View
Final sale: no returns
A
Retailer 7
-
$8,851 AUD
$6,217 USD
View
A
Retailer 8
-
$9,205 AUD
$6,466 USD
View
A
Retailer 9
-
$10,334 AUD
$7,259 USD
View
A
Retailer 10
-
$12,632 AUD
€8,451 EUR
View
B+
Retailer 11
-
$15,333 AUD
£8,481 GBP
View
B+
Retailer 12
-
$18,151 AUD
$12,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E445A2275 · Oct 30
$39,576 AUD
$27,800 USD
View
12 more retailers have this diamond
Prices start from $5,729 AUDSave up to $33,848 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
4.15ct Heart
$5,729 AUD