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Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG768630418

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

Certificate IGI LG768630418

Diamond specifications and retailer prices

From $6,097 AUD
$4,283 USD
As of October 30, 2026
Save $27,619 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $33,717 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.02ct lab-grown radiant diamond

This 4.02ct 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 LG768630418 or 768630418. Listed at 14 retailers as of October 30, 2026, with prices from $6,097 to $33,717, a $27,619 spread on the same certified stone. With Clarity lists it at $33,717. 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

4.02
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630418
Dimensions11.13 × 8.04 × 5.23 mm
L/W Ratio1.38
Culet sizePointed
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 mm8.04 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630418
Side View
Table 63.0%Crown 45.6°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,414 AUD|Low: $6,097 AUD|High: $44,526 AUD|Avg: $15,543 AUD|-27.6%
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
With Clarity
October 31, 2026
Retailer 10$6,097 AUD
Retailer 11$7,954 AUD
Retailer 12$7,981 AUD
Retailer 6$8,394 AUD
Retailer 9$9,801 AUD
Retailer 1$10,414 AUD
Retailer 4$11,410 AUD
Retailer 7$13,627 AUD
Retailer 13$13,733 AUD
Retailer 2$16,158 AUD
Retailer 8$17,123 AUD
Retailer 5$17,468 AUD
Retailer 3$22,676 AUD
With Clarity$33,717 AUD

36 data points across 14 retailers

14 retailers$6,097 AUD to $33,717 AUD

A
Cheapest Retailer
-
$6,097 AUD
$4,283 USD
A
Retailer 2
-
$7,954 AUD
$5,587 USD
View
A
Retailer 3
-
$7,981 AUD
HK$43,800 HKD
View
A
Retailer 4
-
$8,394 AUD
£4,643 GBP
View
A
Retailer 5
-
$9,801 AUD
$6,885 USD
View
B+
Retailer 6
-
$10,414 AUD
€6,967 EUR
View
Retailer 7
-
$11,410 AUD
$8,015 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$13,627 AUD
ZAR 154,638 ZAR
View
B+
Retailer 9
-
$13,733 AUD
£7,596 GBP
View
B+
Retailer 10
-
$16,158 AUD
$11,350 USD
View
B+
Retailer 11
-
$17,123 AUD
$12,028 USD
View
B
Retailer 12
-
$17,468 AUD
$12,270 USD
View
B
Retailer 13
-
$22,676 AUD
$15,929 USD
View
Most Expensive
B
With Clarity
768630418 · Oct 31
$33,717 AUD
$23,684 USD
View
13 more retailers have this diamond
Prices start from $6,097 AUDSave up to $27,619 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
4.02ct Radiant
$6,097 AUD