Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG828680585

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG828680585

Diamond specifications and retailer prices

From $11,249 USD
As of October 28, 2026
Save $25,633 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $36,882 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828680585 or 828680585. Listed at 12 retailers as of October 28, 2026, with prices from $11,249 to $36,882, a $25,633 spread on the same certified stone. Taylor and Hart lists it at $36,882. 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

5.08
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680585
Dimensions11.94 × 8.63 × 5.69 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
11.94 mm8.63 mm5.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680585
Side View
Table 65.0%Crown 43.1°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.9%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $24,587 USD|Low: $11,249 USD|High: $66,020 USD|Avg: $25,356 USD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 7$11,249 USD
Retailer 9$11,773 USD
Retailer 6$12,065 USD
Retailer 3$14,400 USD
Retailer 4$19,110 USD
Retailer 5$20,341 USD
Retailer 8$22,134 USD
Retailer 1$24,587 USD
Retailer 2$33,528 USD
Taylor and Hart$36,882 USD
Retailer 10$66,020 USD

16 data points across 11 retailers

12 retailers$11,249 USD to $36,882 USD

A
Cheapest Retailer
-
$11,249 USD
A
Retailer 2
-
$11,773 USD
View
A
Retailer 3
-
$12,065 USD
View
A
Retailer 4
-
$14,400 USD
£11,339 GBP
View
A
Retailer 5
-
$19,110 USD
£15,047 GBP
View
B+
Retailer 6
-
$20,341 USD
€19,372 EUR
View
B+
Retailer 7
-
$22,134 USD
View
B+
Retailer 8
-
$24,587 USD
ZAR 397,202 ZAR
View
B+
Retailer 9
-
$28,050 USD
View
B
Retailer 10
-
$33,528 USD
View
Most Expensive
B
Taylor and Hart
3EDKXPT · Oct 28
$36,882 USD
View
10 more retailers have this diamond
Prices start from $11,249 USDSave up to $25,633 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.08ct Radiant
$11,249 USD