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Heart|Lab Grown|IGI

4.02ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660278

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660278

Diamond specifications and retailer prices

From $5,558 AUD
$3,904 USD
As of October 30, 2026
Save $32,837 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $38,394 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown heart diamond

This 4.02ct 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 LG804660278 or 804660278. Listed at 13 retailers as of October 30, 2026, with prices from $5,558 to $38,394, a $32,837 spread on the same certified stone. Do Amore Diamonds lists it at $38,394. 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

4.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660278
Dimensions10.88 × 9.82 × 6.50 mm
L/W Ratio1.11
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
10.88 mm9.82 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660278
Side View
Table 58.0%Crown 35.7°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 59.7%

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: $38,394 AUD|Low: $5,558 AUD|High: $42,993 AUD|Avg: $13,341 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$5,558 AUD
Retailer 3$5,850 AUD
Retailer 11$6,030 AUD
Retailer 4$6,225 AUD
Retailer 14$6,556 AUD
Retailer 5$7,351 AUD
Retailer 12$8,587 AUD
Retailer 13$8,930 AUD
Retailer 10$10,028 AUD
Retailer 2$12,238 AUD
Retailer 6$14,036 AUD
Retailer 9$14,876 AUD
Retailer 7$18,934 AUD
Do Amore Diamonds$38,394 AUD

31 data points across 14 retailers

13 retailers$5,558 AUD to $38,394 AUD

A
Cheapest Retailer
-
$5,558 AUD
$3,904 USD
A
Retailer 2
-
$5,850 AUD
$4,109 USD
View
A
Retailer 3
-
$6,030 AUD
$4,236 USD
View
A
Retailer 4
-
$6,225 AUD
$4,373 USD
View
A
Retailer 5
-
$6,556 AUD
$4,605 USD
View
A
Retailer 6
-
$7,351 AUD
$5,164 USD
View
Final sale: no returns
A
Retailer 7
-
$8,587 AUD
$6,032 USD
View
A
Retailer 8
-
$8,930 AUD
$6,273 USD
View
A
Retailer 9
-
$10,028 AUD
$7,044 USD
View
A
Retailer 10
-
$12,238 AUD
€8,187 EUR
View
B+
Retailer 11
-
$14,876 AUD
£8,228 GBP
View
B+
Retailer 12
-
$18,934 AUD
$13,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-24C75829B · Oct 31
$38,394 AUD
$26,970 USD
View
12 more retailers have this diamond
Prices start from $5,558 AUDSave up to $32,837 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
4.02ct Heart
$5,558 AUD