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Radiant|Lab Grown|IGI

1.01ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG848645798

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

Certificate IGI LG848645798

Diamond specifications and retailer prices

From £255 GBP
$342 USD
As of October 30, 2026
Save £680 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £935 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848645798 or 848645798. Listed at 10 retailers as of October 30, 2026, with prices from £255 to £935, a £680 spread on the same certified stone. Taylor and Hart lists it at £935. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848645798
Dimensions7.15 × 4.81 × 3.23 mm
L/W Ratio1.49
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 Light Blue
Top View
7.15 mm4.81 mm1.01 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848645798
Side View
Table 71.0%Crown 40.8°Girdle: MediumPavilion 30.9°Culet: NoneDepth 67.2%

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: £421 GBP|Low: £255 GBP|High: £935 GBP|Avg: £506 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 1, 2026
Retailer 8£255 GBP
Retailer 3£280 GBP
Retailer 9£306 GBP
Retailer 1£421 GBP
Retailer 5£437 GBP
Retailer 6£458 GBP
Retailer 7£458 GBP
Retailer 2£748 GBP
Retailer 4£900 GBP
Taylor and Hart£935 GBP

4 data points across 10 retailers

10 retailers£255 GBP to £935 GBP

A
Cheapest Retailer
-
£255 GBP
$342 USD
A
Retailer 2
-
£280 GBP
$375 USD
View
A
Retailer 3
-
£306 GBP
HK$3,200 HKD
View
B+
Retailer 4
-
£421 GBP
View
B
Retailer 5
-
£437 GBP
€558 EUR
View
B+
Retailer 6
-
£458 GBP
$613 USD
View
B+
Retailer 7
-
£458 GBP
$614 USD
View
B
Retailer 8
-
£748 GBP
SGD 1,355 SGD
View
B
Retailer 9
-
£900 GBP
$1,206 USD
View
Most Expensive
B
Taylor and Hart
IZ3EYW2 · Oct 31
£935 GBP
$1,253 USD
View
9 more retailers have this diamond
Prices start from £255 GBPSave up to £680 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
1.01ct Radiant
£255 GBP