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Heart|Lab Grown|IGI

3.94ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG804655042

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804655042

Diamond specifications and retailer prices

From $6,045 AUD
$4,246 USD
As of October 30, 2026
Save $18,908 AUD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $24,953 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.94ct lab-grown heart diamond

This 3.94ct 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 LG804655042 or 804655042. Listed at 22 retailers as of October 30, 2026, with prices from $6,045 to $24,953, a $18,908 spread on the same certified stone. With Clarity lists it at $24,953. 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

3.94
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804655042
Dimensions9.85 × 11.11 × 6.32 mm
L/W Ratio1.13
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
9.85 mm11.11 mm3.94 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804655042
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 56.9%

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: $19,411 AUD|Low: $5,804 AUD|High: $29,485 AUD|Avg: $12,915 AUD|-5.0%
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
Retailer 20
With Clarity
November 1, 2026
Retailer 10$6,045 AUD
Retailer 15$6,318 AUD
Retailer 13$6,335 AUD
Retailer 20$6,433 AUD
Retailer 12$6,664 AUD
Retailer 16$6,741 AUD
Retailer 11$7,013 AUD
Retailer 19$7,767 AUD
Retailer 5$7,872 AUD
Retailer 9$8,083 AUD
Retailer 14$8,327 AUD
Retailer 2$8,681 AUD
Retailer 8$10,378 AUD
Retailer 7$14,598 AUD
Retailer 4$16,099 AUD
Retailer 6$16,281 AUD
Retailer 1$19,411 AUD
Retailer 3$22,778 AUD
Retailer 18$23,656 AUD
Retailer 17$24,401 AUD
With Clarity$24,953 AUD

39 data points across 21 retailers

22 retailers$6,045 AUD to $24,953 AUD

A
Cheapest Retailer
-
$6,045 AUD
$4,246 USD
A
Retailer 2
-
$6,318 AUD
$4,438 USD
View
A
Retailer 3
-
$6,335 AUD
$4,450 USD
View
A
Retailer 4
-
$6,433 AUD
$4,519 USD
View
Final sale: no returns
A
Retailer 5
-
$6,664 AUD
$4,681 USD
View
A
Retailer 6
-
$6,741 AUD
$4,735 USD
View
Retailer 7
-
$7,013 AUD
$4,926 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$7,767 AUD
$5,456 USD
View
B+
Retailer 9
-
$7,872 AUD
HK$43,200 HKD
View
B+
Retailer 10
-
$8,083 AUD
$5,678 USD
View
B+
Retailer 11
-
$8,327 AUD
$5,849 USD
View
B+
Retailer 12
-
$8,681 AUD
£4,802 GBP
View
B+
Retailer 13
-
$10,378 AUD
$7,290 USD
View
B+
Retailer 14
-
$12,531 AUD
$8,802 USD
View
B+
Retailer 15
-
$14,598 AUD
£8,074 GBP
View
B+
Retailer 16
-
$16,099 AUD
$11,309 USD
View
B+
Retailer 17
-
$16,281 AUD
ZAR 184,757 ZAR
View
B
Retailer 18
-
$19,411 AUD
$13,635 USD
View
B
Retailer 19
-
$22,778 AUD
SGD 21,622 SGD
View
B
Retailer 20
-
$23,656 AUD
$16,617 USD
View
B
Retailer 21
-
$24,401 AUD
$17,140 USD
View
Most Expensive
B
With Clarity
804655042 · Oct 31
$24,953 AUD
$17,528 USD
View
21 more retailers have this diamond
Prices start from $6,045 AUDSave up to $18,908 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
3.94ct Heart
$6,045 AUD