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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG821639485

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

Certificate IGI LG821639485

Diamond specifications and retailer prices

From $10,532 USD
As of October 29, 2026
Save $26,350 USD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $36,882 USD at Taylor and Hart · As of October 30, 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 LG821639485 or 821639485. Listed at 13 retailers as of October 29, 2026, with prices from $10,532 to $36,882, a $26,350 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 angle40.7°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821639485
Dimensions12.49 × 8.62 × 5.56 mm
L/W Ratio1.45
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
12.49 mm8.62 mm5.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821639485
Side View
Table 62.0%Crown 40.7°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 64.5%

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 29
Current: $14,400 USD|Low: $10,532 USD|High: $66,020 USD|Avg: $23,359 USD|-17.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 9$10,532 USD
Retailer 11$11,249 USD
Retailer 12$11,773 USD
Retailer 8$12,065 USD
Retailer 1$14,400 USD
Retailer 6$19,110 USD
Retailer 7$20,341 USD
Retailer 3$22,134 USD
Retailer 5$24,587 USD
Retailer 4$28,050 USD
Retailer 10$33,528 USD
Taylor and Hart$36,882 USD
Retailer 2$66,020 USD

37 data points across 13 retailers

13 retailers$10,532 USD to $36,882 USD

A
Cheapest Retailer
-
$10,532 USD
A
Retailer 2
-
$11,249 USD
View
A
Retailer 3
-
$11,773 USD
View
A
Retailer 4
-
$12,065 USD
View
A
Retailer 5
-
$14,400 USD
£11,339 GBP
View
A
Retailer 6
-
$19,110 USD
£15,047 GBP
View
B+
Retailer 7
-
$20,341 USD
€19,372 EUR
View
B+
Retailer 8
-
$22,134 USD
View
B+
Retailer 9
-
$24,587 USD
ZAR 397,202 ZAR
View
B+
Retailer 10
-
$28,050 USD
View
B
Retailer 11
-
$33,528 USD
View
Most Expensive
B
Taylor and Hart
WR52P8Z · Oct 30
$36,882 USD
View
11 more retailers have this diamond
Prices start from $10,532 USDSave up to $26,350 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
$10,532 USD