Radiant|Lab Grown|IGI

4.39ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800677318

Certificate IGI LG800677318

Diamond specifications and retailer prices

From $5,025 USD
Save $27,245 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $42,009 USD at With Clarity
View at With Clarity

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 LG800677318 or 800677318. Listed at 12 retailers, with a 542% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677318
Dimensions11.62 × 8.26 × 5.27 mm
L/W Ratio1.41
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
11.62 mm8.26 mm4.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677318
Side View
Table 66.0%Crown 40.1°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 63.8%

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 30
Current: $7,358 USD|Low: $4,091 USD|High: $42,009 USD|Avg: $14,966 USD|-6.5%
Retailer 1
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
With Clarity
September 29, 2026
Retailer 11$5,025 USD
Retailer 13$5,167 USD
Retailer 10$5,475 USD
Retailer 15$5,728 USD
Retailer 1$7,358 USD
Retailer 14$7,426 USD
Retailer 7$7,494 USD
Retailer 3$8,732 USD
Retailer 12$9,660 USD
Retailer 6$11,832 USD
Retailer 8$12,370 USD
Retailer 5$22,421 USD
Retailer 2$23,830 USD
Retailer 4$28,506 USD
Retailer 9$32,270 USD
With Clarity$42,009 USD

15 data points across 16 retailers

12 retailers$5,025 USD to $32,270 USD

A
Cheapest Retailer
-
$5,025 USD
A
Retailer 2
-
$5,167 USD
View
A
Retailer 3
-
$5,475 USD
View
A
Retailer 4
-
$5,728 USD
View
A
Retailer 5
-
$7,358 USD
View
A
Retailer 6
-
$7,426 USD
View
A
Retailer 7
-
$8,732 USD
View
Price last confirmed 66 days ago
B+
Retailer 8
-
$9,660 USD
€9,200 EUR
View
B+
Retailer 9
-
$12,370 USD
£9,740 GBP
View
B
Retailer 10
-
$23,830 USD
View
B
Retailer 11
-
$32,270 USD
View
Most Expensive
B
With Clarity
800677318 · Jun 9
$42,009 USD
View
Price last confirmed 114 days ago
11 more retailers have this diamond
Prices start from $5,025 USDSave up to $27,245 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
$5,025 USD