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Radiant|Lab Grown|IGI

4.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG813651641

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

Certificate IGI LG813651641

Diamond specifications and retailer prices

From $7,594 NZD
$4,280 USD
As of October 31, 2026
Save $39,123 NZD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $46,717 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.06ct lab-grown radiant diamond

This 4.06ct 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 LG813651641 or 813651641. Listed at 21 retailers as of October 31, 2026, with prices from $7,594 to $46,717, a $39,123 spread on the same certified stone. Do Amore Diamonds lists it at $46,717. 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

4.06
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651641
Dimensions11.14 × 7.88 × 5.41 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
11.14 mm7.88 mm4.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651641
Side View
Table 64.0%Crown 44.8°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.7%

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 31
Current: $46,717 NZD|Low: $7,594 NZD|High: $56,494 NZD|Avg: $19,933 NZD|-17.3%
Do Amore Diamonds
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 15$7,594 NZD
Retailer 6$7,603 NZD
Retailer 13$7,977 NZD
Retailer 12$7,984 NZD
Retailer 14$10,447 NZD
Retailer 9$11,160 NZD
Retailer 16$11,251 NZD
Retailer 8$12,222 NZD
Retailer 2$13,442 NZD
Retailer 11$18,099 NZD
Retailer 10$18,505 NZD
Retailer 3$21,685 NZD
Retailer 4$23,764 NZD
Retailer 5$30,948 NZD
Retailer 7$39,127 NZD
Do Amore Diamonds$46,717 NZD

36 data points across 16 retailers

21 retailers$7,594 NZD to $46,717 NZD

A
Cheapest Retailer
-
$7,594 NZD
$4,280 USD
A
Retailer 2
-
$7,603 NZD
$4,285 USD
View
Final sale: no returns
Retailer 3
-
$7,977 NZD
$4,496 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$7,984 NZD
$4,500 USD
View
Retailer 5
-
$8,210 NZD
$4,627 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$8,604 NZD
$4,849 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$9,524 NZD
$5,368 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$9,524 NZD
$5,368 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$10,447 NZD
$5,888 USD
View
A
Retailer 10
-
$11,160 NZD
£4,952 GBP
View
A
Retailer 11
-
$11,251 NZD
$6,341 USD
View
A
Retailer 12
-
$12,222 NZD
£5,424 GBP
View
Retailer 13
-
$12,480 NZD
$7,034 USD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$13,442 NZD
€7,215 EUR
View
B+
Retailer 15
-
$18,099 NZD
£8,032 GBP
View
B+
Retailer 16
-
$18,505 NZD
ZAR 168,488 ZAR
View
B+
Retailer 17
-
$21,685 NZD
$12,221 USD
View
B+
Retailer 18
-
$23,764 NZD
$13,394 USD
View
B
Retailer 19
-
$30,948 NZD
$17,442 USD
View
B
Retailer 20
-
$39,127 NZD
$22,052 USD
View
Most Expensive
B
Do Amore Diamonds
27-418BEF59E · Oct 31
$46,717 NZD
$26,330 USD
View
20 more retailers have this diamond
Prices start from $7,594 NZDSave up to $39,123 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
4.06ct Radiant
$7,594 NZD