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Radiant|Lab Grown|IGI

4.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784604639

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

Certificate IGI LG784604639

Diamond specifications and retailer prices

From $7,131 NZD
$4,019 USD
As of October 30, 2026
Save $41,928 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $49,059 NZD at Do Amore Diamonds · As of October 29, 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 LG784604639 or 784604639. Listed at 23 retailers as of October 29, 2026, with prices from $7,131 to $49,059, a $41,928 spread on the same certified stone. Do Amore Diamonds lists it at $49,059. 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 angle44.2°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604639
Dimensions11.42 × 7.96 × 5.21 mm
L/W Ratio1.43
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
11.42 mm7.96 mm4.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604639
Side View
Table 63.0%Crown 44.2°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 65.5%

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: $49,059 NZD|Low: $7,131 NZD|High: $59,244 NZD|Avg: $19,318 NZD|-17.2%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 12$7,131 NZD
Retailer 19$7,473 NZD
Retailer 9$7,986 NZD
Retailer 4$8,272 NZD
Retailer 17$8,277 NZD
Retailer 21$8,311 NZD
Retailer 20$10,970 NZD
Retailer 14$11,409 NZD
Retailer 3$11,838 NZD
Retailer 2$11,844 NZD
Retailer 11$12,871 NZD
Retailer 18$14,114 NZD
Retailer 16$14,354 NZD
Retailer 15$19,007 NZD
Retailer 13$19,432 NZD
Retailer 7$20,357 NZD
Retailer 5$22,770 NZD
Retailer 6$28,886 NZD
Retailer 8$32,584 NZD
Retailer 10$41,166 NZD
Do Amore Diamonds$49,059 NZD

34 data points across 21 retailers

23 retailers$7,131 NZD to $49,059 NZD

A
Cheapest Retailer
-
$7,131 NZD
$4,019 USD
A
Retailer 2
-
$7,473 NZD
$4,212 USD
View
A
Retailer 3
-
$7,986 NZD
$4,501 USD
View
Final sale: no returns
A
Retailer 4
-
$8,272 NZD
$4,662 USD
View
A
Retailer 5
-
$8,277 NZD
$4,665 USD
View
A
Retailer 6
-
$8,311 NZD
$4,684 USD
View
Retailer 7
-
$9,989 NZD
$5,630 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$10,970 NZD
$6,183 USD
View
A
Retailer 9
-
$11,409 NZD
$6,430 USD
View
A
Retailer 10
-
$11,838 NZD
$6,672 USD
View
A
Retailer 11
-
$11,844 NZD
£5,256 GBP
View
B+
Retailer 12
-
$12,871 NZD
£5,712 GBP
View
Retailer 13
-
$14,114 NZD
€7,576 EUR
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$14,354 NZD
$8,090 USD
View
B+
Retailer 15
-
$19,007 NZD
£8,435 GBP
View
B+
Retailer 16
-
$19,432 NZD
ZAR 176,928 ZAR
View
B+
Retailer 17
-
$20,357 NZD
$11,473 USD
View
B+
Retailer 18
-
$22,770 NZD
$12,833 USD
View
B+
Retailer 19
-
$24,987 NZD
$14,083 USD
View
B
Retailer 20
-
$28,886 NZD
$16,280 USD
View
B
Retailer 21
-
$32,584 NZD
$18,364 USD
View
B
Retailer 22
-
$41,166 NZD
$23,201 USD
View
Most Expensive
B
Do Amore Diamonds
27-546C66850 · Oct 29
$49,059 NZD
$27,650 USD
View
22 more retailers have this diamond
Prices start from $7,131 NZDSave up to $41,928 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
$7,131 NZD