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 $4,283 USD
As of October 29, 2026
Save $19,401 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $23,684 USD at With Clarity · As of October 28, 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 28, 2026, with prices from $4,283 to $23,684, a $19,401 spread on the same certified stone. With Clarity lists it at $23,684. 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
Color
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

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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 29
Current: $5,896 USD|Low: $4,283 USD|High: $31,277 USD|Avg: $10,846 USD|-27.1%
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 29, 2026
Retailer 8$4,283 USD
Retailer 9$5,587 USD
Retailer 10$5,606 USD
Retailer 1$5,896 USD
Retailer 7$6,885 USD
Retailer 3$7,866 USD
Retailer 4$8,015 USD
Retailer 13$9,535 USD
Retailer 11$9,647 USD
Retailer 12$11,350 USD
Retailer 6$12,028 USD
Retailer 5$12,270 USD
Retailer 2$15,929 USD
With Clarity$23,684 USD

36 data points across 14 retailers

14 retailers$4,283 USD to $23,684 USD

A
Cheapest Retailer
-
$4,283 USD
A
Retailer 2
-
$5,587 USD
View
A
Retailer 3
-
$5,606 USD
HK$43,800 HKD
View
A
Retailer 4
-
$5,896 USD
£4,643 GBP
View
A
Retailer 5
-
$6,885 USD
View
B+
Retailer 6
-
$7,866 USD
€7,491 EUR
View
B+
Retailer 7
-
$8,015 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$9,535 USD
ZAR 154,032 ZAR
View
B+
Retailer 9
-
$9,647 USD
£7,596 GBP
View
B+
Retailer 10
-
$11,350 USD
View
B+
Retailer 11
-
$12,028 USD
View
B
Retailer 12
-
$12,270 USD
View
B
Retailer 13
-
$15,929 USD
View
Most Expensive
B
With Clarity
768630418 · Oct 28
$23,684 USD
View
13 more retailers have this diamond
Prices start from $4,283 USDSave up to $19,401 USD

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
$4,283 USD