Radiant|Lab Grown|IGI

4.54ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG826659227

Certificate IGI LG826659227

Diamond specifications and retailer prices

From $6,548 USD
Save $32,173 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $38,721 USD at With Clarity
View at With Clarity

About this 4.54ct lab-grown radiant diamond

This 4.54ct 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 LG826659227 or 826659227. Listed at 22 retailers, with prices from $6,548 to $38,721 at With Clarity, a $32,173 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

4.54
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826659227
Dimensions12.33 × 8.22 × 5.22 mm
L/W Ratio1.50
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
12.33 mm8.22 mm4.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826659227
Side View
Table 63.0%Crown 38.8°Girdle: MED-STKPavilion 33°Culet: NoneDepth 63.5%

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: $12,410 USD|Low: $5,374 USD|High: $38,721 USD|Avg: $13,058 USD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 1, 2026
Retailer 3$6,795 USD
Retailer 7$6,810 USD
Retailer 4$7,333 USD
Retailer 8$7,491 USD
Retailer 5$7,570 USD
Retailer 12$7,595 USD
Retailer 14$8,435 USD
Retailer 13$9,165 USD
Retailer 18$9,524 USD
Retailer 16$9,722 USD
Retailer 6$10,851 USD
Retailer 9$11,405 USD
Retailer 1$12,410 USD
Retailer 2$15,134 USD
Retailer 19$15,367 USD
Retailer 15$15,872 USD
Retailer 10$21,137 USD
Retailer 11$26,156 USD
Retailer 17$26,516 USD
With Clarity$38,721 USD

19 data points across 20 retailers

22 retailers$6,548 USD to $38,721 USD

A
Cheapest Retailer
-
$6,548 USD
A
Retailer 2
-
$6,795 USD
View
A
Retailer 3
-
$6,810 USD
View
B+
Retailer 4
-
$7,333 USD
View
B+
Retailer 5
-
$7,491 USD
View
A
Retailer 6
-
$7,570 USD
View
B+
Retailer 7
-
$7,595 USD
View
B+
Retailer 8
-
$8,435 USD
View
B+
Retailer 9
-
$9,165 USD
HK$71,600 HKD
View
B+
Retailer 10
-
$9,524 USD
View
B+
Retailer 11
-
$9,743 USD
£7,672 GBP
View
B
Retailer 12
-
$10,851 USD
£8,544 GBP
View
B+
Retailer 13
-
$11,405 USD
View
B
Retailer 14
-
$12,410 USD
€11,819 EUR
View
B
Retailer 15
-
$15,134 USD
View
B
Retailer 16
-
$15,367 USD
£12,100 GBP
View
B
Retailer 17
-
$15,872 USD
ZAR 256,417 ZAR
View
B
Retailer 18
-
$21,137 USD
View
B
Retailer 19
-
$25,200 USD
View
B
Retailer 20
-
$26,156 USD
View
B
Retailer 21
-
$26,516 USD
SGD 35,833 SGD
View
Most Expensive
B
With Clarity
826659227 · Sep 30
$38,721 USD
View
21 more retailers have this diamond
Prices start from $6,548 USDSave up to $32,173 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
4.54ct Radiant
$6,548 USD