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Heart|Lab Grown|IGI

3.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660376

Diamond specifications and retailer prices

From $3,812 AUD
$2,678 USD
As of October 30, 2026
Save $22,510 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,322 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown heart diamond

This 3.5ct 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 LG804660376 or 804660376. Listed at 13 retailers as of October 29, 2026, with prices from $3,812 to $26,322, a $22,510 spread on the same certified stone. Do Amore Diamonds lists it at $26,322. 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

3.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660376
Dimensions9.90 × 10.36 × 6.13 mm
L/W Ratio1.05
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
9.90 mm10.36 mm3.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660376
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

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: $26,322 AUD|Low: $3,812 AUD|High: $29,483 AUD|Avg: $11,598 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
Retailer 15
October 30, 2026
Retailer 8$3,812 AUD
Retailer 3$4,163 AUD
Retailer 12$4,356 AUD
Retailer 4$4,602 AUD
Retailer 14$4,669 AUD
Retailer 5$5,037 AUD
Retailer 15$6,120 AUD
Retailer 13$6,512 AUD
Retailer 11$6,909 AUD
Retailer 9$8,298 AUD
Retailer 6$9,677 AUD
Retailer 10$12,482 AUD
Retailer 2$16,727 AUD
Retailer 7$25,028 AUD
Do Amore Diamonds$26,322 AUD

28 data points across 15 retailers

13 retailers$3,812 AUD to $26,322 AUD

A
Cheapest Retailer
-
$3,812 AUD
$2,678 USD
A
Retailer 2
-
$4,163 AUD
$2,924 USD
View
A
Retailer 3
-
$4,356 AUD
$3,060 USD
View
A
Retailer 4
-
$4,602 AUD
$3,233 USD
View
A
Retailer 5
-
$4,669 AUD
$3,280 USD
View
A
Retailer 6
-
$5,037 AUD
$3,538 USD
View
Final sale: no returns
A
Retailer 7
-
$6,120 AUD
$4,299 USD
View
B+
Retailer 8
-
$6,512 AUD
$4,574 USD
View
B+
Retailer 9
-
$6,909 AUD
$4,853 USD
View
B+
Retailer 10
-
$8,298 AUD
€5,551 EUR
View
B+
Retailer 11
-
$12,482 AUD
£6,904 GBP
View
B+
Retailer 12
-
$16,727 AUD
$11,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E9C3818C7 · Oct 29
$26,322 AUD
$18,490 USD
View
12 more retailers have this diamond
Prices start from $3,812 AUDSave up to $22,510 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
3.50ct Heart
$3,812 AUD