Radiant|Lab Grown|IGI

4.24ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666055

Certificate IGI LG780666055

Diamond specifications and retailer prices

From $4,813 USD
Save $26,047 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $30,860 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.24ct lab-grown radiant diamond

This 4.24ct 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 LG780666055 or 780666055. Listed at 12 retailers, with prices from $4,813 to $30,860 at Do Amore Diamonds, a $26,047 spread on the same certified stone. 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

4.24
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666055
Dimensions11.55 × 8.09 × 5.30 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
11.55 mm8.09 mm4.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666055
Side View
Table 65.0%Crown 41°Girdle: ThickPavilion 34.3°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $30,860 USD|Low: $3,957 USD|High: $34,030 USD|Avg: $14,231 USD|-9.3%
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
September 29, 2026
Retailer 12$4,813 USD
Retailer 14$4,844 USD
Retailer 11$5,245 USD
Retailer 3$5,540 USD
Retailer 15$7,088 USD
Retailer 2$7,177 USD
Retailer 16$8,485 USD
Retailer 13$9,219 USD
Retailer 9$11,828 USD
Retailer 8$12,722 USD
Retailer 10$14,357 USD
Retailer 7$22,762 USD
Retailer 4$23,010 USD
Retailer 6$27,910 USD
Retailer 5$29,353 USD
Do Amore Diamonds$30,860 USD

16 data points across 16 retailers

12 retailers$4,813 USD to $30,860 USD

A
Cheapest Retailer
-
$4,813 USD
A
Retailer 2
-
$4,844 USD
View
A
Retailer 3
-
$5,245 USD
View
A
Retailer 4
-
$5,540 USD
View
A
Retailer 5
-
$7,088 USD
View
A
Retailer 6
-
$7,177 USD
View
B+
Retailer 7
-
$8,485 USD
View
B+
Retailer 8
-
$9,219 USD
€8,780 EUR
View
B+
Retailer 9
-
$11,828 USD
£9,313 GBP
View
B
Retailer 10
-
$14,357 USD
View
B
Retailer 11
-
$23,010 USD
View
Most Expensive
B
Do Amore Diamonds
27-9986A46C3 · Sep 30
$30,860 USD
View
11 more retailers have this diamond
Prices start from $4,813 USDSave up to $26,047 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.

A
4.24ct Radiant
$4,813 USD