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Radiant|Lab Grown|IGI

1.01ct D SI2 Radiant Lab Grown Diamond

VG • D/SI2 • IGI LG468103379

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

Certificate IGI LG468103379

Diamond specifications and retailer prices

From £529 GBP
As of October 29, 2026
Save £405 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £934 GBP at B2C Jewels · As of October 30, 2026
View at B2C Jewels

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG468103379 or 468103379. Listed at 2 retailers as of October 29, 2026, with prices from £529 to £934, a £405 spread on the same certified stone. B2C Jewels lists it at £934. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle25.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468103379
Dimensions7.07 × 4.91 × 3.09 mm
L/W Ratio1.44
Culet sizePointed
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
Top View
7.07 mm4.91 mm1.01 ctD / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468103379
Side View
Table 57.5%Crown 43.5°Girdle: MED-STKPavilion 25.5°Culet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £934 GBP|Low: £130 GBP|High: £1,034 GBP|Avg: £362 GBP|+4.6%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 23, 2026
Retailer 10£204 GBP
Retailer 8£220 GBP
Retailer 7£228 GBP
Retailer 2£229 GBP
Retailer 4£238 GBP
Retailer 3£272 GBP
Retailer 9£388 GBP
Retailer 6£625 GBP
Retailer 11£694 GBP
B2C Jewels£934 GBP
Retailer 5£1,034 GBP

50 data points across 11 retailers

2 retailers£529 GBP to £934 GBP

B
Cheapest Retailer
-
£529 GBP
Most Expensive
C
B2C Jewels
19355332 · Oct 30
£934 GBP
$1,252 USD
View
1 more retailer has this diamond
Prices start from £529 GBPSave up to £405 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
£529 GBP