CaratHunter
Plans
Radiant|Lab Grown|IGI

1.05ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG750508267

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

Certificate IGI LG750508267

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of October 30, 2026
Save £671 GBP (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £876 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG750508267 or 750508267. Listed at 7 retailers as of October 30, 2026, with prices from £204 to £876, a £671 spread on the same certified stone. MOH London lists it at £876. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750508267
Dimensions7.42 × 4.92 × 3.33 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm4.92 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750508267
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £876 GBP|Low: £204 GBP|High: £886 GBP|Avg: £431 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£204 GBP
Retailer 4£228 GBP
Retailer 5£255 GBP
Retailer 2£344 GBP
Retailer 3£429 GBP
Retailer 7£731 GBP
MOH London£876 GBP

40 data points across 7 retailers

7 retailers£204 GBP to £876 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
B+
Retailer 2
-
£228 GBP
$306 USD
View
A
Retailer 3
-
£255 GBP
$342 USD
View
B+
Retailer 4
-
£344 GBP
View
B+
Retailer 5
-
£429 GBP
$575 USD
View
B
Retailer 6
-
£731 GBP
$979 USD
View
Most Expensive
B
MOH London
LG750508267 · Nov 1
£876 GBP
View
6 more retailers have this diamond
Prices start from £204 GBPSave up to £671 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
1.05ct Radiant
£204 GBP