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Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508388

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

Certificate IGI LG754508388

Diamond specifications and retailer prices

From $4,283 USD
As of November 1, 2026
Save $19,401 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $23,684 USD at With Clarity · As of November 2, 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 LG754508388 or 754508388. Listed at 15 retailers as of November 1, 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 angle42.9°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508388
Dimensions11.08 × 8.04 × 5.34 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
11.08 mm8.04 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508388
Side View
Table 64.0%Crown 42.9°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 66.4%

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: Nov 1
Current: $5,847 USD|Low: $4,283 USD|High: $31,277 USD|Avg: $11,703 USD|-23.4%
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
With Clarity
November 2, 2026
Retailer 14$4,283 USD
Retailer 2$5,587 USD
Retailer 3$5,606 USD
Retailer 1$5,847 USD
Retailer 13$6,885 USD
Retailer 8$7,315 USD
Retailer 11$8,065 USD
Retailer 10$9,572 USD
Retailer 7$9,634 USD
Retailer 4$11,350 USD
Retailer 12$12,028 USD
Retailer 9$13,210 USD
Retailer 6$15,929 USD
Retailer 5$16,216 USD
With Clarity$23,684 USD

34 data points across 15 retailers

15 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
-
$5,847 USD
£4,604 GBP
View
A
Retailer 5
-
$6,885 USD
View
B+
Retailer 6
-
$7,315 USD
€6,967 EUR
View
B+
Retailer 7
-
$8,065 USD
View
B+
Retailer 8
-
$9,572 USD
ZAR 154,638 ZAR
View
B+
Retailer 9
-
$9,634 USD
£7,586 GBP
View
B+
Retailer 10
-
$11,350 USD
View
B+
Retailer 11
-
$12,028 USD
View
B+
Retailer 12
-
$13,210 USD
View
B
Retailer 13
-
$15,929 USD
View
B
Retailer 14
-
$16,216 USD
SGD 21,913 SGD
View
Most Expensive
B
With Clarity
754508388 · Nov 2
$23,684 USD
View
14 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