Radiant|Lab Grown|IGI

4.39ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG823669956

Certificate IGI LG823669956

Diamond specifications and retailer prices

From $6,503 USD
Save $17,125 USD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,628 USD at Taylor and Hart
View at Taylor and Hart

About this 4.39ct lab-grown radiant diamond

This 4.39ct 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 LG823669956 or 823669956. Listed at 11 retailers, with prices from $6,503 to $23,628 at Taylor and Hart, a $17,125 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

4.39
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823669956
Dimensions11.86 × 8.14 × 5.29 mm
L/W Ratio1.46
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
11.86 mm8.14 mm4.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823669956
Side View
Table 67.0%Crown 43.3°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.0%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $13,871 USD|Low: $5,069 USD|High: $27,982 USD|Avg: $11,452 USD|-5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
September 29, 2026
Retailer 3$5,583 USD
Retailer 2$6,503 USD
Retailer 10$6,735 USD
Retailer 8$7,086 USD
Retailer 4$8,782 USD
Retailer 11$9,586 USD
Retailer 5$10,338 USD
Retailer 7$10,372 USD
Retailer 1$13,871 USD
Retailer 6$14,086 USD
Retailer 9$18,738 USD
Taylor and Hart$23,628 USD

30 data points across 12 retailers

11 retailers$6,503 USD to $23,628 USD

A
Cheapest Retailer
-
$6,503 USD
A
Retailer 2
-
$6,735 USD
View
A
Retailer 3
-
$7,086 USD
View
B+
Retailer 4
-
$8,782 USD
£6,915 GBP
View
B+
Retailer 5
-
$9,586 USD
£7,548 GBP
View
B+
Retailer 6
-
$10,338 USD
€9,846 EUR
View
B+
Retailer 7
-
$10,372 USD
View
B
Retailer 8
-
$13,871 USD
£10,922 GBP
View
B
Retailer 9
-
$14,086 USD
View
B
Retailer 10
-
$18,738 USD
View
Most Expensive
B
Taylor and Hart
7R6AR23 · Sep 28
$23,628 USD
View
10 more retailers have this diamond
Prices start from $6,503 USDSave up to $17,125 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
4.39ct Radiant
$6,503 USD