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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611924

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611924

Diamond specifications and retailer prices

From $5,566 AUD
$3,910 USD
As of October 30, 2026
Save $18,571 AUD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $24,137 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG800611924 or 800611924. Listed at 22 retailers as of October 30, 2026, with prices from $5,566 to $24,137, a $18,571 spread on the same certified stone. With Clarity lists it at $24,137. 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

3.51
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611924
Dimensions10.55 × 9.35 × 6.17 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
10.55 mm9.35 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611924
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 58.5%

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: $14,993 AUD|Low: $5,344 AUD|High: $26,272 AUD|Avg: $12,120 AUD|+1.9%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 29, 2026
Retailer 18$5,566 AUD
Retailer 6$5,834 AUD
Retailer 7$6,116 AUD
Retailer 8$6,234 AUD
Retailer 3$6,457 AUD
Retailer 5$6,507 AUD
Retailer 17$6,541 AUD
Retailer 16$7,555 AUD
Retailer 14$7,617 AUD
Retailer 4$8,069 AUD
Retailer 12$8,469 AUD
Retailer 15$9,517 AUD
Retailer 13$13,907 AUD
Retailer 1$14,993 AUD
Retailer 2$16,302 AUD
Retailer 9$18,808 AUD
Retailer 10$22,042 AUD
Retailer 11$22,882 AUD
With Clarity$23,655 AUD
Retailer 19$23,945 AUD

39 data points across 20 retailers

22 retailers$5,566 AUD to $24,137 AUD

A
Cheapest Retailer
-
$5,566 AUD
$3,910 USD
A
Retailer 2
-
$5,834 AUD
$4,098 USD
View
A
Retailer 3
-
$6,116 AUD
$4,296 USD
View
A
Retailer 4
-
$6,234 AUD
$4,379 USD
View
Final sale: no returns
Retailer 5
-
$6,457 AUD
$4,536 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$6,457 AUD
$4,536 USD
View
B+
Retailer 7
-
$6,507 AUD
$4,571 USD
View
B+
Retailer 8
-
$6,541 AUD
$4,595 USD
View
B+
Retailer 9
-
$7,555 AUD
$5,307 USD
View
B+
Retailer 10
-
$7,617 AUD
HK$41,800 HKD
View
B+
Retailer 11
-
$8,069 AUD
$5,668 USD
View
B+
Retailer 12
-
$8,469 AUD
£4,684 GBP
View
B+
Retailer 13
-
$9,517 AUD
$6,685 USD
View
B+
Retailer 14
-
$13,907 AUD
£7,692 GBP
View
B+
Retailer 15
-
$14,993 AUD
ZAR 170,136 ZAR
View
B
Retailer 16
-
$15,576 AUD
$10,941 USD
View
B
Retailer 17
-
$16,302 AUD
$11,451 USD
View
B
Retailer 18
-
$18,808 AUD
$13,212 USD
View
B
Retailer 19
-
$22,042 AUD
SGD 20,923 SGD
View
B
Retailer 20
-
$22,882 AUD
$16,073 USD
View
B
Retailer 21
-
$23,945 AUD
$16,820 USD
View
Most Expensive
B
With Clarity
800611924 · Oct 30
$24,137 AUD
$16,955 USD
View
21 more retailers have this diamond
Prices start from $5,566 AUDSave up to $18,571 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
3.51ct Heart
$5,566 AUD