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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 $7,612 NZD
$4,283 USD
As of November 2, 2026
Save $34,481 NZD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $42,094 NZD 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 2, 2026, with prices from $7,612 to $42,094, a $34,481 spread on the same certified stone. With Clarity lists it at $42,094. 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 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $13,000 NZD|Low: $7,612 NZD|High: $55,589 NZD|Avg: $20,778 NZD|-23.5%
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$7,612 NZD
Retailer 2$9,930 NZD
Retailer 3$9,964 NZD
Retailer 7$10,393 NZD
Retailer 13$12,237 NZD
Retailer 1$13,000 NZD
Retailer 11$14,334 NZD
Retailer 10$17,012 NZD
Retailer 8$17,123 NZD
Retailer 4$20,172 NZD
Retailer 12$21,377 NZD
Retailer 9$23,478 NZD
Retailer 6$28,310 NZD
Retailer 5$28,820 NZD
With Clarity$42,094 NZD

33 data points across 15 retailers

15 retailers$7,612 NZD to $42,094 NZD

A
Cheapest Retailer
-
$7,612 NZD
$4,283 USD
A
Retailer 2
-
$9,930 NZD
$5,587 USD
View
A
Retailer 3
-
$9,964 NZD
HK$43,800 HKD
View
A
Retailer 4
-
$10,393 NZD
£4,604 GBP
View
A
Retailer 5
-
$12,237 NZD
$6,885 USD
View
B+
Retailer 6
-
$13,000 NZD
€6,966 EUR
View
B+
Retailer 7
-
$14,334 NZD
$8,065 USD
View
B+
Retailer 8
-
$17,012 NZD
ZAR 154,638 ZAR
View
B+
Retailer 9
-
$17,123 NZD
£7,586 GBP
View
B+
Retailer 10
-
$20,172 NZD
$11,350 USD
View
B+
Retailer 11
-
$21,377 NZD
$12,028 USD
View
B+
Retailer 12
-
$23,478 NZD
$13,210 USD
View
B
Retailer 13
-
$28,310 NZD
$15,929 USD
View
B
Retailer 14
-
$28,820 NZD
SGD 21,913 SGD
View
Most Expensive
B
With Clarity
754508388 · Nov 2
$42,094 NZD
$23,684 USD
View
14 more retailers have this diamond
Prices start from $7,612 NZDSave up to $34,481 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
$7,612 NZD