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Heart|Lab Grown|IGI

4.01ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG844621798

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844621798

Diamond specifications and retailer prices

From $9,591 AUD
$6,737 USD
As of October 26, 2026
Save $30,824 AUD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $40,415 AUD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 4.01ct lab-grown heart diamond

This 4.01ct 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 LG844621798 or 844621798. Listed at 16 retailers as of October 26, 2026, with prices from $9,591 to $40,415, a $30,824 spread on the same certified stone. Taylor and Hart lists it at $40,415. 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

4.01
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621798
Dimensions11.22 × 9.86 × 6.25 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
11.22 mm9.86 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621798
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 55.7%

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 26
Current: $10,011 AUD|Low: $9,276 AUD|High: $61,280 AUD|Avg: $22,554 AUD|-0.2%
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
Taylor and Hart
October 27, 2026
Retailer 16$9,591 AUD
Retailer 1$10,011 AUD
Retailer 7$11,070 AUD
Retailer 12$11,071 AUD
Retailer 14$11,916 AUD
Retailer 8$13,628 AUD
Retailer 15$13,829 AUD
Retailer 11$14,957 AUD
Retailer 5$19,891 AUD
Retailer 9$23,558 AUD
Retailer 10$25,403 AUD
Retailer 4$27,151 AUD
Retailer 3$31,121 AUD
Retailer 6$31,319 AUD
Retailer 13$33,356 AUD
Taylor and Hart$40,415 AUD
Retailer 2$61,280 AUD

15 data points across 17 retailers

16 retailers$9,591 AUD to $40,415 AUD

A
Cheapest Retailer
-
$9,591 AUD
$6,737 USD
A
Retailer 2
-
$10,011 AUD
£5,537 GBP
View
A
Retailer 3
-
$11,070 AUD
CA$10,800 CAD
View
A
Retailer 4
-
$11,071 AUD
$7,777 USD
View
B+
Retailer 5
-
$11,916 AUD
$8,370 USD
View
B+
Retailer 6
-
$13,628 AUD
$9,573 USD
View
Retailer 7
-
$14,957 AUD
£8,273 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$19,891 AUD
$13,972 USD
View
B+
Retailer 9
-
$23,558 AUD
£13,030 GBP
View
B
Retailer 10
-
$25,403 AUD
ZAR 288,279 ZAR
View
Retailer 11
-
$27,151 AUD
$19,072 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$31,121 AUD
$21,861 USD
View
B
Retailer 13
-
$31,319 AUD
$22,000 USD
View
B
Retailer 14
-
$33,356 AUD
$23,431 USD
View
Most Expensive
B
Taylor and Hart
9QUMMLG · Oct 26
$40,415 AUD
$28,389 USD
View
14 more retailers have this diamond
Prices start from $9,591 AUDSave up to $30,824 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
4.01ct Heart
$9,591 AUD