Radiant|Lab Grown|IGI

1.00ct J VS2 Radiant Lab Grown Diamond

ID • J/VS2 • IGI LG407981511

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

Certificate IGI LG407981511

Diamond specifications and retailer prices

From £743 GBP
As of November 6, 2026
Save £2,171 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,914 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407981511 or 407981511. Listed at 9 retailers as of November 5, 2026, with prices from £743 to £2,914, a £2,171 spread on the same certified stone. MOH London lists it at £2,914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.6°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407981511
Dimensions6.17 × 5.00 × 3.44 mm
L/W Ratio1.23
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.17 mm5.00 mm1.00 ctJ / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407981511
Side View
Table 66.5%Crown 45.6°Girdle: ThickPavilion 31.5°Culet: NoneDepth 68.8%

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 6
Current: £2,914 GBP|Low: £713 GBP|High: £2,957 GBP|Avg: £1,477 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£743 GBP
Retailer 8£808 GBP
Retailer 5£861 GBP
Retailer 2£994 GBP
Retailer 9£1,240 GBP
Retailer 6£1,376 GBP
Retailer 7£1,615 GBP
Retailer 3£1,857 GBP
Retailer 10£1,928 GBP
MOH London£2,914 GBP

17 data points across 10 retailers

9 retailers£743 GBP to £2,914 GBP

B+
Cheapest Retailer
-
£743 GBP
B+
Retailer 2
-
£808 GBP
View
B
Retailer 3
-
£861 GBP
View
Retailer 4
-
£861 GBP
View
Price last confirmed 21 days ago
B
Retailer 5
-
£994 GBP
View
B
Retailer 6
-
£1,376 GBP
View
B
Retailer 7
-
£1,615 GBP
View
B
Retailer 8
-
£1,857 GBP
View
Most Expensive
B
MOH London
LG407981511 · Nov 5
£2,914 GBP
View
8 more retailers have this diamond
Prices start from £743 GBPSave up to £2,171 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+
1.00ct Radiant
£743 GBP