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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 $5,973 NZD
£2,651 GBP
As of October 30, 2026
Save $35,432 NZD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $41,405 NZD 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 $5,973 to $41,405, a $35,432 spread on the same certified stone. With Clarity lists it at $41,405. 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
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: $13,414 NZD|Low: $5,973 NZD|High: $46,966 NZD|Avg: $17,208 NZD|-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$5,973 NZD
Retailer 3$7,425 NZD
Retailer 5$9,862 NZD
Retailer 4$10,030 NZD
Retailer 9$11,882 NZD
Retailer 1$13,414 NZD
Retailer 7$15,940 NZD
Retailer 8$20,037 NZD
Retailer 10$21,771 NZD
Retailer 2$23,852 NZD
With Clarity$41,405 NZD

9 data points across 11 retailers

11 retailers$5,973 NZD to $41,405 NZD

A+
Cheapest Retailer
-
$5,973 NZD
£2,651 GBP
A
Retailer 2
-
$7,425 NZD
$4,185 USD
View
A
Retailer 3
-
$9,862 NZD
$5,558 USD
View
A
Retailer 4
-
$10,030 NZD
$5,653 USD
View
A
Retailer 5
-
$11,882 NZD
$6,697 USD
View
B+
Retailer 6
-
$13,414 NZD
€7,200 EUR
View
B+
Retailer 7
-
$15,940 NZD
£7,074 GBP
View
B
Retailer 8
-
$20,037 NZD
$11,293 USD
View
B
Retailer 9
-
$21,771 NZD
$12,270 USD
View
B
Retailer 10
-
$23,852 NZD
$13,443 USD
View
Most Expensive
B
With Clarity
846662876 · Oct 31
$41,405 NZD
$23,336 USD
View
10 more retailers have this diamond
Prices start from $5,973 NZDSave up to $35,432 NZD

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
$5,973 NZD