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Heart|Lab Grown|IGI

4.64ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG811635724

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811635724

Diamond specifications and retailer prices

From $7,329 AUD
$5,148 USD
As of October 30, 2026
Save $43,095 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $50,424 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.64ct lab-grown heart diamond

This 4.64ct 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 LG811635724 or 811635724. Listed at 11 retailers as of October 30, 2026, with prices from $7,329 to $50,424, a $43,095 spread on the same certified stone. Do Amore Diamonds lists it at $50,424. 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

4.64
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635724
Dimensions9.97 × 11.33 × 6.99 mm
L/W Ratio1.14
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
9.97 mm11.33 mm4.64 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635724
Side View
Table 60.0%Crown 36.6°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $50,424 AUD|Low: $7,329 AUD|High: $59,037 AUD|Avg: $18,229 AUD|-14.6%
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
November 1, 2026
Retailer 12$7,329 AUD
Retailer 2$7,680 AUD
Retailer 8$7,712 AUD
Retailer 9$8,527 AUD
Retailer 10$9,154 AUD
Retailer 3$10,696 AUD
Retailer 7$11,138 AUD
Retailer 6$13,134 AUD
Retailer 5$19,092 AUD
Retailer 4$21,225 AUD
Retailer 11$24,899 AUD
Do Amore Diamonds$50,424 AUD

27 data points across 12 retailers

11 retailers$7,329 AUD to $50,424 AUD

A
Cheapest Retailer
-
$7,329 AUD
$5,148 USD
A
Retailer 2
-
$7,680 AUD
$5,395 USD
View
A
Retailer 3
-
$7,712 AUD
$5,417 USD
View
A
Retailer 4
-
$8,527 AUD
$5,990 USD
View
A
Retailer 5
-
$9,154 AUD
$6,430 USD
View
A
Retailer 6
-
$10,696 AUD
$7,513 USD
View
A
Retailer 7
-
$11,138 AUD
$7,824 USD
View
A
Retailer 8
-
$13,134 AUD
$9,226 USD
View
B+
Retailer 9
-
$19,092 AUD
£10,560 GBP
View
B+
Retailer 10
-
$24,899 AUD
$17,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-A38742CCC · Nov 1
$50,424 AUD
$35,420 USD
View
10 more retailers have this diamond
Prices start from $7,329 AUDSave up to $43,095 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
4.64ct Heart
$7,329 AUD