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Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG786645678

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786645678

Diamond specifications and retailer prices

From $5,357 AUD
$3,763 USD
As of October 30, 2026
Save $31,500 AUD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $36,857 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.03ct lab-grown heart diamond

This 4.03ct 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 LG786645678 or 786645678. Listed at 10 retailers as of October 30, 2026, with prices from $5,357 to $36,857, a $31,500 spread on the same certified stone. Do Amore Diamonds lists it at $36,857. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786645678
Dimensions11.19 × 9.88 × 6.31 mm
L/W Ratio1.13
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
11.19 mm9.88 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786645678
Side View
Table 62.0%Crown 35.9°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 56.4%

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: $36,857 AUD|Low: $5,357 AUD|High: $43,092 AUD|Avg: $16,973 AUD|-13.6%
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
October 31, 2026
Retailer 11$5,357 AUD
Retailer 8$5,613 AUD
Retailer 13$7,320 AUD
Retailer 2$7,958 AUD
Retailer 10$8,241 AUD
Retailer 9$8,571 AUD
Retailer 12$9,629 AUD
Retailer 7$14,278 AUD
Retailer 3$15,794 AUD
Retailer 6$17,624 AUD
Retailer 4$18,397 AUD
Retailer 5$34,593 AUD
Do Amore Diamonds$36,857 AUD

28 data points across 13 retailers

10 retailers$5,357 AUD to $36,857 AUD

A
Cheapest Retailer
-
$5,357 AUD
$3,763 USD
A
Retailer 2
-
$5,613 AUD
$3,943 USD
View
A
Retailer 3
-
$7,320 AUD
$5,142 USD
View
Final sale: no returns
A
Retailer 4
-
$7,958 AUD
$5,590 USD
View
A
Retailer 5
-
$8,241 AUD
$5,789 USD
View
A
Retailer 6
-
$8,571 AUD
$6,021 USD
View
A
Retailer 7
-
$9,629 AUD
$6,764 USD
View
B+
Retailer 8
-
$14,278 AUD
£7,897 GBP
View
B+
Retailer 9
-
$17,624 AUD
$12,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-95D350581 · Oct 30
$36,857 AUD
$25,890 USD
View
9 more retailers have this diamond
Prices start from $5,357 AUDSave up to $31,500 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
4.03ct Heart
$5,357 AUD