Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846662876

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

Certificate IGI LG846662876

Diamond specifications and retailer prices

From $3,366 USD
£2,651 GBP
As of October 30, 2026
Save $19,970 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,336 USD 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 LG846662876 or 846662876. Listed at 11 retailers as of October 30, 2026, with prices from $3,366 to $23,336, a $19,970 spread on the same certified stone. With Clarity lists it at $23,336. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662876
Dimensions11.30 × 8.02 × 5.25 mm
L/W Ratio1.41
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
11.30 mm8.02 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662876
Side View
Table 62.0%Crown 39.4°Girdle: MediumPavilion 36.3°Culet: NoneDepth 65.5%

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 30
Current: $7,560 USD|Low: $3,366 USD|High: $26,470 USD|Avg: $9,699 USD|-11.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 31, 2026
Retailer 6$3,366 USD
Retailer 3$4,185 USD
Retailer 5$5,558 USD
Retailer 4$5,653 USD
Retailer 9$6,697 USD
Retailer 1$7,560 USD
Retailer 7$8,984 USD
Retailer 8$11,293 USD
Retailer 10$12,270 USD
Retailer 2$13,443 USD
With Clarity$23,336 USD

9 data points across 11 retailers

11 retailers$3,366 USD to $23,336 USD

A+
Cheapest Retailer
-
$3,366 USD
£2,651 GBP
A
Retailer 2
-
$4,185 USD
View
A
Retailer 3
-
$5,558 USD
View
A
Retailer 4
-
$5,653 USD
View
A
Retailer 5
-
$6,697 USD
View
B+
Retailer 6
-
$7,560 USD
€7,200 EUR
View
B+
Retailer 7
-
$8,984 USD
£7,074 GBP
View
B
Retailer 8
-
$11,293 USD
View
B
Retailer 9
-
$12,270 USD
View
B
Retailer 10
-
$13,443 USD
View
Most Expensive
B
With Clarity
846662876 · Oct 31
$23,336 USD
View
10 more retailers have this diamond
Prices start from $3,366 USDSave up to $19,970 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
$3,366 USD