Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG759523105

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

Certificate IGI LG759523105

Diamond specifications and retailer prices

From $4,538 AUD
£2,510 GBP
As of October 29, 2026
Save $15,074 AUD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,612 AUD at Taylor and Hart · As of October 28, 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 LG759523105 or 759523105. Listed at 17 retailers as of October 28, 2026, with prices from $4,538 to $19,612, a $15,074 spread on the same certified stone. Taylor and Hart lists it at $19,612. 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 angle46.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759523105
Dimensions7.91 × 7.91 × 5.13 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm7.91 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759523105
Side View
Table 64.0%Crown 46.3°Girdle: MediumPavilion 36.6°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $12,170 AUD|Low: $4,538 AUD|High: $22,417 AUD|Avg: $9,999 AUD|-11.8%
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 29, 2026
Retailer 13$4,538 AUD
Retailer 14$5,520 AUD
Retailer 2$5,590 AUD
Retailer 3$6,165 AUD
Retailer 8$6,461 AUD
Retailer 6$6,484 AUD
Retailer 15$6,484 AUD
Retailer 9$7,616 AUD
Retailer 16$7,917 AUD
Retailer 10$8,547 AUD
Retailer 4$8,599 AUD
Retailer 7$10,042 AUD
Retailer 1$12,170 AUD
Retailer 11$13,804 AUD
Retailer 12$14,344 AUD
Retailer 5$16,170 AUD
Taylor and Hart$19,612 AUD

29 data points across 17 retailers

17 retailers$4,538 AUD to $19,612 AUD

A+
Cheapest Retailer
-
$4,538 AUD
£2,510 GBP
A
Retailer 2
-
$5,520 AUD
$3,878 USD
View
Final sale: no returns
A
Retailer 3
-
$5,590 AUD
$3,927 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$6,165 AUD
$4,331 USD
View
A
Retailer 5
-
$6,461 AUD
$4,539 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$6,484 AUD
$4,555 USD
View
A
Retailer 7
-
$6,484 AUD
$4,555 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$7,616 AUD
£4,213 GBP
View
A
Retailer 9
-
$7,917 AUD
$5,562 USD
View
A
Retailer 10
-
$8,547 AUD
£4,728 GBP
View
A
Retailer 11
-
$8,599 AUD
$6,041 USD
View
B+
Retailer 12
-
$10,042 AUD
$7,055 USD
View
B+
Retailer 13
-
$12,170 AUD
ZAR 138,123 ZAR
View
B+
Retailer 14
-
$13,804 AUD
£7,636 GBP
View
B+
Retailer 15
-
$14,344 AUD
$10,077 USD
View
B+
Retailer 16
-
$16,170 AUD
$11,360 USD
View
Most Expensive
B
Taylor and Hart
RBE3WQY · Oct 28
$19,612 AUD
$13,779 USD
View
16 more retailers have this diamond
Prices start from $4,538 AUDSave up to $15,074 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
$4,538 AUD