Radiant|Lab Grown|IGI

4.34ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG780663878

Certificate IGI LG780663878

Diamond specifications and retailer prices

From $5,083 USD
Save $18,477 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,376 USD at With Clarity
View at With Clarity

About this 4.34ct lab-grown radiant diamond

This 4.34ct 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 LG780663878 or 780663878. Listed at 13 retailers, with a 364% 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

4.34
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663878
Dimensions11.43 × 8.26 × 5.45 mm
L/W Ratio1.38
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
11.43 mm8.26 mm4.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663878
Side View
Table 65.0%Crown 45.6°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 66.0%

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 29
Current: $13,009 USD|Low: $4,548 USD|High: $35,376 USD|Avg: $14,287 USD|-5.1%
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
With Clarity
October 1, 2026
Retailer 5$4,548 USD
Retailer 3$5,083 USD
Retailer 13$5,608 USD
Retailer 8$7,844 USD
Retailer 7$8,236 USD
Retailer 4$8,614 USD
Retailer 12$10,915 USD
Retailer 9$12,052 USD
Retailer 1$13,009 USD
Retailer 11$14,078 USD
Retailer 6$17,148 USD
Retailer 10$22,395 USD
Retailer 2$23,560 USD
With Clarity$35,376 USD

35 data points across 14 retailers

13 retailers$5,083 USD to $23,560 USD

A
Cheapest Retailer
-
$5,083 USD
A
Retailer 2
-
$5,608 USD
View
A
Retailer 3
-
$7,844 USD
View
A
Retailer 4
-
$8,236 USD
£6,485 GBP
View
B+
Retailer 5
-
$8,614 USD
HK$67,300 HKD
View
B+
Retailer 6
-
$10,915 USD
€10,395 EUR
View
B+
Retailer 7
-
$12,052 USD
View
B+
Retailer 8
-
$13,009 USD
£10,243 GBP
View
B
Retailer 9
-
$14,078 USD
ZAR 227,429 ZAR
View
B
Retailer 10
-
$17,148 USD
View
B
Retailer 11
-
$22,395 USD
View
B
Retailer 12
-
$23,560 USD
View
Most Expensive
B
With Clarity
780663878 · Aug 12
$35,376 USD
View
Price last confirmed 50 days ago
12 more retailers have this diamond
Prices start from $5,083 USDSave up to $18,477 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
4.34ct Radiant
$5,083 USD