Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG653408777

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

Certificate IGI LG653408777

Diamond specifications and retailer prices

From £479 GBP
As of October 31, 2026
7 retailers carry this diamond
Most expensive: £725 GBP at MOH London · As of October 19, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653408777 or 653408777. Listed at 7 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408777
Dimensions7.09 × 5.17 × 3.34 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.17 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653408777
Side View
Table 66.0%Crown 38.8°Girdle: MED-STKPavilionCulet: NoneDepth 64.6%

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: Oct 31
Current: £725 GBP|Low: £186 GBP|High: £730 GBP|Avg: £406 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 6£186 GBP
Retailer 3£256 GBP
Retailer 2£294 GBP
Retailer 4£321 GBP
Retailer 7£440 GBP
Retailer 5£625 GBP
MOH London£725 GBP

7 data points across 7 retailers

7 retailers

Retailer 1
-
£186 GBP
$249 USD
Price last confirmed 10 days ago
Retailer 2
-
£256 GBP
$344 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£294 GBP
$395 USD
View
Price last confirmed 12 days ago
Retailer 4
-
£321 GBP
$431 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
£479 GBP
View
Retailer 6
-
£625 GBP
$839 USD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG653408777 · Oct 19
£725 GBP
View
Price last confirmed 14 days ago
6 more retailers have this diamond
Prices start from £479 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
£479 GBP