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Radiant|Lab Grown|IGI

0.90ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG414081954

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

Certificate IGI LG414081954

Diamond specifications and retailer prices

From £190 GBP
$254 USD
As of October 30, 2026
Save £715 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £904 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG414081954 or 414081954. Listed at 4 retailers as of October 29, 2026, with prices from £190 to £904, a £715 spread on the same certified stone. MOH London lists it at £904. 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

0.90
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG414081954
Dimensions6.18 × 5.10 × 3.50 mm
L/W Ratio1.21
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
6.18 mm5.10 mm0.90 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414081954
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £904 GBP|Low: £148 GBP|High: £910 GBP|Avg: £539 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4£190 GBP
Retailer 3£210 GBP
Retailer 2£218 GBP
Retailer 5£627 GBP
Retailer 6£806 GBP
Retailer 7£806 GBP
MOH London£904 GBP

35 data points across 7 retailers

4 retailers£190 GBP to £904 GBP

A
Cheapest Retailer
-
£190 GBP
$254 USD
A
Retailer 2
-
£210 GBP
$282 USD
View
A
Retailer 3
-
£218 GBP
View
Most Expensive
B
MOH London
LG414081954 · Oct 29
£904 GBP
View
3 more retailers have this diamond
Prices start from £190 GBPSave up to £715 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
0.90ct Radiant
£190 GBP