Radiant|Lab Grown|IGI

5.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629465

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

Certificate IGI LG768629465

Diamond specifications and retailer prices

From $8,263 USD
As of October 30, 2026
Save $28,403 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $36,666 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG768629465 or 768629465. Listed at 13 retailers as of October 30, 2026, with prices from $8,263 to $36,666, a $28,403 spread on the same certified stone. Taylor and Hart lists it at $36,666. 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

5.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629465
Dimensions12.28 × 8.60 × 5.59 mm
L/W Ratio1.43
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
12.28 mm8.60 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629465
Side View
Table 64.0%Crown 42.1°Girdle: Slightly ThickPavilion 33.5°Culet: NoneDepth 65.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $14,259 USD|Low: $8,263 USD|High: $41,951 USD|Avg: $20,327 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 12$8,263 USD
Retailer 10$9,491 USD
Retailer 4$10,059 USD
Retailer 8$11,535 USD
Retailer 9$12,555 USD
Retailer 1$14,259 USD
Retailer 6$18,926 USD
Retailer 2$19,859 USD
Retailer 7$20,141 USD
Retailer 5$24,350 USD
Retailer 3$27,770 USD
Retailer 11$33,198 USD
Taylor and Hart$36,666 USD

34 data points across 13 retailers

13 retailers$8,263 USD to $36,666 USD

A
Cheapest Retailer
-
$8,263 USD
A
Retailer 2
-
$9,491 USD
View
A
Retailer 3
-
$11,535 USD
View
A
Retailer 4
-
$12,555 USD
View
A
Retailer 5
-
$14,259 USD
£11,228 GBP
View
Retailer 6
-
$14,698 USD
£11,573 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$18,926 USD
£14,902 GBP
View
B+
Retailer 8
-
$19,859 USD
View
B+
Retailer 9
-
$20,141 USD
€19,182 EUR
View
B+
Retailer 10
-
$24,350 USD
ZAR 393,371 ZAR
View
B+
Retailer 11
-
$27,770 USD
View
B+
Retailer 12
-
$33,198 USD
View
Most Expensive
B
Taylor and Hart
IHOVI15 · Oct 30
$36,666 USD
View
12 more retailers have this diamond
Prices start from $8,263 USDSave up to $28,403 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
5.03ct Radiant
$8,263 USD