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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 $4,280 USD
As of October 28, 2026
Save $22,050 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $26,330 USD 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 LG813651641 or 813651641. Listed at 21 retailers as of October 28, 2026, with prices from $4,280 to $26,330, a $22,050 spread on the same certified stone. Do Amore Diamonds lists it at $26,330. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $26,330 USD|Low: $4,280 USD|High: $31,840 USD|Avg: $11,301 USD|-17.3%
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 15$4,280 USD
Retailer 6$4,285 USD
Retailer 13$4,496 USD
Retailer 11$4,500 USD
Retailer 14$5,888 USD
Retailer 9$6,323 USD
Retailer 16$6,341 USD
Retailer 8$6,888 USD
Retailer 12$7,557 USD
Retailer 10$10,201 USD
Retailer 2$10,429 USD
Retailer 3$12,221 USD
Retailer 4$13,394 USD
Retailer 5$17,442 USD
Retailer 7$22,052 USD
Do Amore Diamonds$26,330 USD

35 data points across 16 retailers

21 retailers$4,280 USD to $26,330 USD

A
Cheapest Retailer
-
$4,280 USD
A
Retailer 2
-
$4,285 USD
View
Final sale: no returns
A
Retailer 3
-
$4,496 USD
View
A
Retailer 4
-
$4,500 USD
View
Retailer 5
-
$4,627 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,849 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$5,368 USD
View
Price last confirmed 26 days ago
Retailer 8
-
$5,368 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$5,888 USD
View
A
Retailer 10
-
$6,323 USD
£4,979 GBP
View
A
Retailer 11
-
$6,341 USD
View
A
Retailer 12
-
$6,888 USD
£5,424 GBP
View
Retailer 13
-
$7,034 USD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
$7,557 USD
€7,197 EUR
View
B+
Retailer 15
-
$10,201 USD
£8,032 GBP
View
B+
Retailer 16
-
$10,429 USD
ZAR 168,488 ZAR
View
B+
Retailer 17
-
$12,221 USD
View
B+
Retailer 18
-
$13,394 USD
View
B
Retailer 19
-
$17,442 USD
View
B
Retailer 20
-
$22,052 USD
View
Most Expensive
B
Do Amore Diamonds
27-418BEF59E · Oct 29
$26,330 USD
View
20 more retailers have this diamond
Prices start from $4,280 USDSave up to $22,050 USD

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
$4,280 USD