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Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804636937

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG804636937

Diamond specifications and retailer prices

From $5,323 AUD
$3,739 USD
As of October 30, 2026
Save $16,497 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,820 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown radiant diamond

This 4.01ct lab-grown radiant 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 LG804636937 or 804636937. Listed at 18 retailers as of October 30, 2026, with prices from $5,323 to $21,820, a $16,497 spread on the same certified stone. Taylor and Hart lists it at $21,820. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804636937
Dimensions11.13 × 7.81 × 5.38 mm
L/W Ratio1.43
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
11.13 mm7.81 mm4.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804636937
Side View
Table 63.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 68.9%

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: $8,079 AUD|Low: $5,323 AUD|High: $27,483 AUD|Avg: $11,611 AUD|-23.7%
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
Taylor and Hart
October 30, 2026
Retailer 5$5,323 AUD
Retailer 3$5,791 AUD
Retailer 6$5,961 AUD
Retailer 13$5,981 AUD
Retailer 11$6,176 AUD
Retailer 9$7,682 AUD
Retailer 14$7,716 AUD
Retailer 16$7,861 AUD
Retailer 1$8,079 AUD
Retailer 2$8,314 AUD
Retailer 17$9,481 AUD
Retailer 7$9,569 AUD
Retailer 8$9,811 AUD
Retailer 10$13,141 AUD
Retailer 12$13,298 AUD
Retailer 4$15,553 AUD
Retailer 15$17,144 AUD
Taylor and Hart$21,820 AUD

33 data points across 18 retailers

18 retailers$5,323 AUD to $21,820 AUD

A
Cheapest Retailer
-
$5,323 AUD
$3,739 USD
A
Retailer 2
-
$5,791 AUD
$4,068 USD
View
A
Retailer 3
-
$5,961 AUD
$4,187 USD
View
Final sale: no returns
A
Retailer 4
-
$5,981 AUD
$4,201 USD
View
A
Retailer 5
-
$6,176 AUD
$4,338 USD
View
Retailer 6
-
$7,682 AUD
$5,396 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$7,716 AUD
$5,420 USD
View
A
Retailer 8
-
$7,861 AUD
$5,522 USD
View
A
Retailer 9
-
$8,079 AUD
£4,469 GBP
View
A
Retailer 10
-
$8,314 AUD
$5,840 USD
View
B+
Retailer 11
-
$9,481 AUD
£5,244 GBP
View
A
Retailer 12
-
$9,569 AUD
$6,722 USD
View
Retailer 13
-
$9,811 AUD
$6,892 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$13,141 AUD
ZAR 149,130 ZAR
View
B+
Retailer 15
-
$13,298 AUD
£7,355 GBP
View
B+
Retailer 16
-
$15,553 AUD
$10,925 USD
View
B
Retailer 17
-
$17,144 AUD
$12,043 USD
View
Most Expensive
B
Taylor and Hart
IVYT399 · Oct 30
$21,820 AUD
$15,327 USD
View
17 more retailers have this diamond
Prices start from $5,323 AUDSave up to $16,497 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 Radiant
$5,323 AUD