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Radiant|Lab Grown|IGI

0.91ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG414077116

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

Certificate IGI LG414077116

Diamond specifications and retailer prices

From £210 GBP
$279 USD
As of October 28, 2026
Save £686 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £896 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414077116 or 414077116. Listed at 4 retailers as of October 28, 2026, with prices from £210 to £896, a £686 spread on the same certified stone. MOH London lists it at £896. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414077116
Dimensions6.33 × 5.15 × 3.55 mm
L/W Ratio1.23
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
6.33 mm5.15 mm0.91 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG414077116
Side View
Table 68.5%Crown 35.9°Girdle: MediumPavilion 39.1°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £896 GBP|Low: £144 GBP|High: £901 GBP|Avg: £545 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2£210 GBP
Retailer 3£216 GBP
Retailer 4£291 GBP
Retailer 5£638 GBP
Retailer 6£773 GBP
Retailer 7£773 GBP
MOH London£896 GBP

11 data points across 7 retailers

4 retailers£210 GBP to £896 GBP

A
Cheapest Retailer
-
£210 GBP
$279 USD
A
Retailer 2
-
£216 GBP
$287 USD
View
B+
Retailer 3
-
£291 GBP
$387 USD
View
Most Expensive
B
MOH London
LG414077116 · Oct 29
£896 GBP
View
3 more retailers have this diamond
Prices start from £210 GBPSave up to £686 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
0.91ct Radiant
£210 GBP