CaratHunter
Plans
Radiant|Lab Grown|IGI

5.03ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG593392335

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

Certificate IGI LG593392335

Diamond specifications and retailer prices

From £421 GBP
$564 USD
As of October 30, 2026
Save £2,284 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,705 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593392335 or 593392335. Listed at 15 retailers as of October 30, 2026, with prices from £421 to £2,705, a £2,284 spread on the same certified stone. Adiamor lists it at £2,705. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593392335
Dimensions12.10 × 8.46 × 5.52 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.10 mm8.46 mm5.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593392335
Side View
Table 65.0%Crown 45.2°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.2%

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: £2,705 GBP|Low: £421 GBP|High: £4,456 GBP|Avg: £1,594 GBP|+10.9%
Adiamor
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
November 1, 2026
Retailer 7£421 GBP
Retailer 6£471 GBP
Retailer 15£522 GBP
Retailer 11£555 GBP
Retailer 18£583 GBP
Retailer 16£619 GBP
Retailer 13£793 GBP
Retailer 17£795 GBP
Retailer 5£804 GBP
Retailer 12£814 GBP
Retailer 14£1,295 GBP
Retailer 3£1,373 GBP
Retailer 4£1,877 GBP
Retailer 2£2,264 GBP
Retailer 10£2,625 GBP
Adiamor£2,705 GBP
Retailer 8£4,036 GBP
Retailer 9£4,456 GBP

6 data points across 18 retailers

15 retailers£421 GBP to £2,705 GBP

A
Cheapest Retailer
-
£421 GBP
$564 USD
A
Retailer 2
-
£471 GBP
$631 USD
View
A
Retailer 3
-
£522 GBP
$699 USD
View
A
Retailer 4
-
£555 GBP
View
A
Retailer 5
-
£583 GBP
HK$6,100 HKD
View
A
Retailer 6
-
£619 GBP
$830 USD
View
B+
Retailer 7
-
£793 GBP
€1,012 EUR
View
B+
Retailer 8
-
£795 GBP
$1,065 USD
View
B+
Retailer 9
-
£804 GBP
$1,077 USD
View
A
Retailer 10
-
£814 GBP
View
B+
Retailer 11
-
£1,295 GBP
$1,735 USD
View
B
Retailer 12
-
£1,373 GBP
$1,839 USD
View
B
Retailer 13
-
£1,877 GBP
$2,515 USD
View
B
Retailer 14
-
£2,264 GBP
View
Most Expensive
B
Adiamor
D-82828873 · Oct 31
£2,705 GBP
$3,624 USD
View
14 more retailers have this diamond
Prices start from £421 GBPSave up to £2,284 GBP

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
£421 GBP