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Heart|Lab Grown|IGI

3.48ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG784642609

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784642609

Diamond specifications and retailer prices

From $3,365 AUD
$2,364 USD
As of October 30, 2026
Save $19,825 AUD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $23,190 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.48ct lab-grown heart diamond

This 3.48ct 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 LG784642609 or 784642609. Listed at 13 retailers as of October 30, 2026, with prices from $3,365 to $23,190, a $19,825 spread on the same certified stone. Do Amore Diamonds lists it at $23,190. 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

3.48
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642609
Dimensions9.74 × 10.22 × 6.19 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.74 mm10.22 mm3.48 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642609
Side View
Table 59.0%Crown 37.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.6%

Caratlytics Score

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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: $23,190 AUD|Low: $3,365 AUD|High: $28,159 AUD|Avg: $9,014 AUD|-17.6%
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 30, 2026
Retailer 2$3,365 AUD
Retailer 14$3,667 AUD
Retailer 10$3,939 AUD
Retailer 12$4,143 AUD
Retailer 3$4,563 AUD
Retailer 5$4,806 AUD
Retailer 13$5,932 AUD
Retailer 11$5,992 AUD
Retailer 9$6,099 AUD
Retailer 7$7,303 AUD
Retailer 6$9,242 AUD
Retailer 8$11,618 AUD
Retailer 4$21,938 AUD
Do Amore Diamonds$23,190 AUD

30 data points across 14 retailers

13 retailers$3,365 AUD to $23,190 AUD

A
Cheapest Retailer
-
$3,365 AUD
$2,364 USD
A
Retailer 2
-
$3,667 AUD
$2,576 USD
View
A
Retailer 3
-
$3,939 AUD
$2,767 USD
View
A
Retailer 4
-
$4,143 AUD
$2,910 USD
View
A
Retailer 5
-
$4,563 AUD
$3,205 USD
View
A
Retailer 6
-
$4,806 AUD
$3,376 USD
View
Final sale: no returns
A
Retailer 7
-
$5,932 AUD
$4,167 USD
View
A
Retailer 8
-
$5,992 AUD
$4,209 USD
View
A
Retailer 9
-
$6,099 AUD
$4,284 USD
View
B+
Retailer 10
-
$7,303 AUD
€4,886 EUR
View
B+
Retailer 11
-
$11,618 AUD
£6,426 GBP
View
B
Retailer 12
-
$21,938 AUD
$15,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-F879ED1FD · Oct 30
$23,190 AUD
$16,290 USD
View
12 more retailers have this diamond
Prices start from $3,365 AUDSave up to $19,825 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
3.48ct Heart
$3,365 AUD