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Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799676750

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

Certificate IGI LG799676750

Diamond specifications and retailer prices

From $7,495 NZD
$4,224 USD
As of October 30, 2026
Save $44,067 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $51,561 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG799676750 or 799676750. Listed at 22 retailers as of October 30, 2026, with prices from $7,495 to $51,561, a $44,067 spread on the same certified stone. Do Amore Diamonds lists it at $51,561. 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 angle42.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676750
Dimensions11.18 × 7.90 × 5.45 mm
L/W Ratio1.42
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
11.18 mm7.90 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676750
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 36.6°Culet: NoneDepth 69.0%

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: Oct 30
Current: $51,561 NZD|Low: $7,195 NZD|High: $51,561 NZD|Avg: $16,372 NZD
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 19$7,495 NZD
Retailer 10$7,621 NZD
Retailer 4$7,855 NZD
Retailer 7$8,217 NZD
Retailer 11$8,394 NZD
Retailer 5$8,694 NZD
Retailer 21$8,694 NZD
Retailer 18$8,783 NZD
Retailer 17$11,313 NZD
Retailer 6$11,537 NZD
Retailer 3$11,992 NZD
Retailer 2$12,374 NZD
Retailer 22$13,460 NZD
Retailer 9$13,547 NZD
Retailer 15$14,718 NZD
Retailer 16$19,978 NZD
Retailer 13$20,426 NZD
Retailer 20$22,124 NZD
Retailer 12$23,934 NZD
Retailer 14$33,415 NZD
Retailer 8$34,339 NZD
Do Amore Diamonds$51,561 NZD

44 data points across 22 retailers

22 retailers$7,495 NZD to $51,561 NZD

A
Cheapest Retailer
-
$7,495 NZD
$4,224 USD
A
Retailer 2
-
$7,621 NZD
$4,295 USD
View
A
Retailer 3
-
$7,855 NZD
$4,427 USD
View
A
Retailer 4
-
$8,217 NZD
$4,631 USD
View
A
Retailer 5
-
$8,394 NZD
$4,731 USD
View
Final sale: no returns
A
Retailer 6
-
$8,694 NZD
$4,900 USD
View
Retailer 7
-
$8,694 NZD
$4,900 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$8,783 NZD
$4,950 USD
View
A
Retailer 9
-
$11,313 NZD
$6,376 USD
View
A
Retailer 10
-
$11,537 NZD
HK$50,800 HKD
View
A
Retailer 11
-
$11,992 NZD
$6,759 USD
View
A
Retailer 12
-
$12,374 NZD
£5,491 GBP
View
B+
Retailer 13
-
$13,460 NZD
$7,586 USD
View
B+
Retailer 14
-
$13,547 NZD
£6,012 GBP
View
Retailer 15
-
$14,718 NZD
$8,295 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$19,978 NZD
£8,866 GBP
View
B+
Retailer 17
-
$20,426 NZD
ZAR 185,977 ZAR
View
B
Retailer 18
-
$22,124 NZD
$12,469 USD
View
B
Retailer 19
-
$23,934 NZD
$13,489 USD
View
B
Retailer 20
-
$33,415 NZD
SGD 25,450 SGD
View
B
Retailer 21
-
$34,339 NZD
$19,353 USD
View
Most Expensive
B
Do Amore Diamonds
27-B8965CC60 · Oct 31
$51,561 NZD
$29,060 USD
View
21 more retailers have this diamond
Prices start from $7,495 NZDSave up to $44,067 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
$7,495 NZD