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Radiant|Lab Grown|IGI

0.90ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG654461493

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

Certificate IGI LG654461493

Diamond specifications and retailer prices

From £102 GBP
$136 USD
As of October 30, 2026
Save £952 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,054 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 top-tier cut grade and certified by IGI LG654461493 or 654461493. Listed at 13 retailers as of October 29, 2026, with prices from £102 to £1,054, a £952 spread on the same certified stone. MOH London lists it at £1,054. 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

0.90
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654461493
Dimensions7.01 × 4.71 × 3.10 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.01 mm4.71 mm0.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654461493
Side View
Table 71.0%Crown 46.5°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.8%

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: £1,054 GBP|Low: £102 GBP|High: £1,054 GBP|Avg: £308 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 31, 2026
Retailer 11£102 GBP
Retailer 6£117 GBP
Retailer 13£125 GBP
Retailer 5£143 GBP
Retailer 7£149 GBP
Retailer 12£166 GBP
Retailer 17£194 GBP
Retailer 2£213 GBP
Retailer 3£237 GBP
Retailer 4£258 GBP
Retailer 14£306 GBP
Retailer 8£390 GBP
Retailer 15£404 GBP
Retailer 16£422 GBP
Retailer 10£426 GBP
Retailer 9£664 GBP
MOH London£1,054 GBP

4 data points across 17 retailers

13 retailers£102 GBP to £1,054 GBP

A
Cheapest Retailer
-
£102 GBP
$136 USD
A
Retailer 2
-
£117 GBP
$157 USD
View
A
Retailer 3
-
£125 GBP
$168 USD
View
A
Retailer 4
-
£143 GBP
HK$1,500 HKD
View
A
Retailer 5
-
£166 GBP
View
A
Retailer 6
-
£194 GBP
$260 USD
View
A
Retailer 7
-
£213 GBP
View
A
Retailer 8
-
£237 GBP
$317 USD
View
B+
Retailer 9
-
£258 GBP
View
B+
Retailer 10
-
£306 GBP
$410 USD
View
B+
Retailer 11
-
£404 GBP
$541 USD
View
B
Retailer 12
-
£426 GBP
$571 USD
View
Most Expensive
B
MOH London
LG654461493 · Oct 29
£1,054 GBP
View
12 more retailers have this diamond
Prices start from £102 GBPSave up to £952 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
£102 GBP