Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG823669954

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

Certificate IGI LG823669954

Diamond specifications and retailer prices

From $6,657 AUD
$4,676 USD
As of October 29, 2026
Save $17,867 AUD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $24,524 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 LG823669954 or 823669954. Listed at 17 retailers as of October 29, 2026, with prices from $6,657 to $24,524, a $17,867 spread on the same certified stone. Taylor and Hart lists it at $24,524. 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 angle42.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823669954
Dimensions11.22 × 7.88 × 5.36 mm
L/W Ratio1.42
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 mm7.88 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823669954
Side View
Table 65.0%Crown 42.6°Girdle: MediumPavilion 36.6°Culet: NoneDepth 68.0%

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 29
Current: $9,072 AUD|Low: $6,657 AUD|High: $30,096 AUD|Avg: $13,596 AUD|-22.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 11$6,657 AUD
Retailer 6$6,961 AUD
Retailer 8$8,075 AUD
Retailer 7$8,972 AUD
Retailer 1$9,072 AUD
Retailer 3$9,676 AUD
Retailer 5$10,625 AUD
Retailer 9$10,673 AUD
Retailer 2$12,869 AUD
Retailer 4$14,352 AUD
Retailer 10$19,153 AUD
Taylor and Hart$24,524 AUD

43 data points across 12 retailers

17 retailers$6,657 AUD to $24,524 AUD

A
Cheapest Retailer
-
$6,657 AUD
$4,676 USD
Final sale: no returns
A
Retailer 2
-
$6,961 AUD
$4,890 USD
View
Retailer 3
-
$7,185 AUD
$5,047 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$7,531 AUD
$5,290 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$8,075 AUD
$5,672 USD
View
Retailer 6
-
$8,335 AUD
$5,855 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$8,335 AUD
$5,855 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$8,972 AUD
$6,302 USD
View
A
Retailer 9
-
$9,072 AUD
£5,018 GBP
View
A
Retailer 10
-
$9,676 AUD
£5,352 GBP
View
Retailer 11
-
$9,894 AUD
$6,950 USD
View
Price last confirmed 26 days ago
Retailer 12
-
$10,625 AUD
€7,108 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$10,673 AUD
$7,497 USD
View
B+
Retailer 14
-
$12,869 AUD
$9,040 USD
View
B+
Retailer 15
-
$14,352 AUD
£7,938 GBP
View
B
Retailer 16
-
$19,153 AUD
$13,454 USD
View
Most Expensive
B
Taylor and Hart
80VZCOZ · Oct 30
$24,524 AUD
$17,227 USD
View
16 more retailers have this diamond
Prices start from $6,657 AUDSave up to $17,867 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
$6,657 AUD