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Radiant|Lab Grown|IGI

1.14ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG823697281

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

Certificate IGI LG823697281

Diamond specifications and retailer prices

From £104 GBP
$140 USD
As of October 30, 2026
Save £501 GBP (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £606 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.14ct lab-grown radiant diamond

This 1.14ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG823697281 or 823697281. Listed at 8 retailers as of October 30, 2026, with prices from £104 to £606, a £501 spread on the same certified stone. MOH London lists it at £606. 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

1.14
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823697281
Dimensions7.19 × 5.14 × 3.48 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm5.14 mm1.14 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823697281
Side View
Table 67.0%Crown 44.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.7%

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: £606 GBP|Low: £103 GBP|High: £629 GBP|Avg: £345 GBP|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6£104 GBP
Retailer 4£121 GBP
Retailer 2£155 GBP
Retailer 3£230 GBP
Retailer 7£416 GBP
Retailer 5£440 GBP
Retailer 8£534 GBP
MOH London£606 GBP

32 data points across 8 retailers

8 retailers£104 GBP to £606 GBP

A
Cheapest Retailer
-
£104 GBP
$140 USD
A
Retailer 2
-
£121 GBP
$162 USD
View
A
Retailer 3
-
£155 GBP
View
A
Retailer 4
-
£230 GBP
€294 EUR
View
B
Retailer 5
-
£416 GBP
$558 USD
View
B
Retailer 6
-
£440 GBP
$589 USD
View
Retailer 7
-
£534 GBP
SGD 966 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG823697281 · Nov 1
£606 GBP
View
7 more retailers have this diamond
Prices start from £104 GBPSave up to £501 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
1.14ct Radiant
£104 GBP