CaratHunter
Plans
Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG612342569

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

Certificate IGI LG612342569

Diamond specifications and retailer prices

From £322 GBP
As of November 5, 2026
Save £58 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £380 GBP at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG612342569 or 612342569. Listed at 2 retailers as of November 5, 2026, with prices from £322 to £380, a £58 spread on the same certified stone. MD Diamonds and Jewellers lists it at £380. 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

1.01
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612342569
Dimensions6.86 × 4.89 × 3.42 mm
L/W Ratio1.40
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
6.86 mm4.89 mm1.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612342569
Side View
Table 66.0%Crown 45.3°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £380 GBP|Low: £322 GBP|High: £380 GBP|Avg: £368 GBP
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2£322 GBP
MD Diamonds and Jewellers£380 GBP

4 data points across 2 retailers

2 retailers£322 GBP to £380 GBP

B+
Cheapest Retailer
-
£322 GBP
Most Expensive
B
MD Diamonds and Jewellers
LG612342569 · Nov 5
£380 GBP
View
1 more retailer has this diamond
Prices start from £322 GBPSave up to £58 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.

B+
1.01ct Radiant
£322 GBP