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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG588377711

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

Certificate IGI LG588377711

Diamond specifications and retailer prices

From £201 GBP
As of October 31, 2026
Save £807 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,008 GBP at MOH London · As of October 25, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG588377711 or 588377711. Listed at 13 retailers as of October 25, 2026, with prices from £201 to £1,008, a £807 spread on the same certified stone. MOH London lists it at £1,008. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588377711
Dimensions7.23 × 4.90 × 3.29 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.23 mm4.90 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588377711
Side View
Table 65.0%Crown 43.8°Girdle: MediumPavilion 35°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,008 GBP|Low: £109 GBP|High: £1,018 GBP|Avg: £330 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9£109 GBP
Retailer 11£191 GBP
Retailer 4£201 GBP
Retailer 2£222 GBP
Retailer 7£228 GBP
Retailer 5£229 GBP
Retailer 3£234 GBP
Retailer 10£360 GBP
Retailer 6£409 GBP
Retailer 8£478 GBP
MOH London£1,008 GBP

37 data points across 11 retailers

13 retailers£201 GBP to £1,008 GBP

Retailer 1
-
£113 GBP
$151 USD
Price last confirmed 34 days ago
Retailer 2
-
£119 GBP
$159 USD
View
Price last confirmed 34 days ago
Retailer 3
-
£191 GBP
HK$2,001 HKD
View
Price last confirmed 11 days ago
A
Retailer 4
-
£201 GBP
View
A
Retailer 5
-
£222 GBP
€283 EUR
View
A
Retailer 6
-
£228 GBP
$306 USD
View
A
Retailer 7
-
£229 GBP
View
A
Retailer 8
-
£234 GBP
$314 USD
View
B+
Retailer 9
-
£360 GBP
$483 USD
View
B
Retailer 10
-
£409 GBP
$548 USD
View
B+
Retailer 11
-
£436 GBP
View
B
Retailer 12
-
£478 GBP
$640 USD
View
Most Expensive
B
MOH London
LG588377711 · Oct 25
£1,008 GBP
View
12 more retailers have this diamond
Prices start from £201 GBPSave up to £807 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
£201 GBP