Radiant|Lab Grown|IGI

5.03ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG768630431

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

Certificate IGI LG768630431

Diamond specifications and retailer prices

From $9,125 USD

As of October 29, 2026

Save $33,365 USD (79%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $42,490 USD at With Clarity · As of October 28, 2026

View at With Clarity

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630431 or 768630431. Listed at 14 retailers as of October 28, 2026, with prices from $9,125 to $42,490, a $33,365 spread on the same certified stone. With Clarity lists it at $42,490. 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

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.1°

Pavilion angle33.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768630431

Dimensions12.04 × 8.71 × 5.65 mm

L/W Ratio1.38

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG768630431

Side View

Caratlytics Score

How it works →

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 29

Current: $12,587 USD|Low: $9,053 USD|High: $52,851 USD|Avg: $20,100 USD|-20.6%

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

With Clarity

October 29, 2026

Retailer 6$9,053 USD

Retailer 11$9,125 USD

Retailer 13$10,211 USD

Retailer 14$10,948 USD

Retailer 10$11,195 USD

Retailer 2$11,379 USD

Retailer 1$12,587 USD

Retailer 9$17,455 USD

Retailer 7$18,697 USD

Retailer 3$19,058 USD

Retailer 5$20,240 USD

Retailer 8$21,086 USD

Retailer 12$28,772 USD

Retailer 4$32,847 USD

With Clarity$42,490 USD

33 data points across 15 retailers

14 retailers$9,125 USD to $42,490 USD

Cheapest Retailer

$9,125 USD

Retailer 2

$10,211 USD

View

Retailer 3

$10,948 USD

View

Retailer 4

$11,195 USD

View

Price last confirmed 10 days ago

Retailer 5

$11,379 USD

HK$88,900 HKD

View

Retailer 6

$12,587 USD

£9,911 GBP

View

Retailer 7

$17,455 USD

€16,624 EUR

View

Retailer 8

$18,697 USD

£14,722 GBP

View

B+

Retailer 9

$19,058 USD

View

B+

Retailer 10

$20,240 USD

View

B+

Retailer 11

$21,086 USD

ZAR 340,644 ZAR

View

B+

Retailer 12

$28,772 USD

View

Retailer 13

$32,847 USD

View

Most Expensive

With Clarity

768630431 · Oct 28

$42,490 USD

View

13 more retailers have this diamond

Prices start from $9,125 USDSave up to $33,365 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.

Similar diamonds

5.03ct Radiant

$9,125 USD