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Radiant|Lab Grown|IGI

1.14ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG615343038

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

Certificate IGI LG615343038

Diamond specifications and retailer prices

From £108 GBP
As of November 6, 2026
Save £938 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,046 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.14ct lab-grown radiant diamond

This 1.14ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG615343038 or 615343038. Listed at 11 retailers as of November 2, 2026, with prices from £108 to £1,046, a £938 spread on the same certified stone. Do Amore Diamonds lists it at £1,046. 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
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615343038
Dimensions7.28 × 5.12 × 3.47 mm
L/W Ratio1.42
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
7.28 mm5.12 mm1.14 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615343038
Side View
Table 63.0%Crown 47.4°Girdle: MediumPavilion 34.5°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
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: Nov 6
Current: £1,046 GBP|Low: £84 GBP|High: £1,046 GBP|Avg: £418 GBP
Do Amore Diamonds
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
Retailer 15
November 6, 2026
Retailer 8£108 GBP
Retailer 15£122 GBP
Retailer 12£125 GBP
Retailer 13£193 GBP
Retailer 11£247 GBP
Retailer 4£249 GBP
Retailer 3£321 GBP
Retailer 7£327 GBP
Retailer 6£350 GBP
Retailer 2£407 GBP
Retailer 10£453 GBP
Retailer 9£473 GBP
Retailer 5£575 GBP
Retailer 14£695 GBP
Do Amore Diamonds£1,046 GBP

42 data points across 15 retailers

11 retailers£108 GBP to £1,046 GBP

A
Cheapest Retailer
-
£108 GBP
B+
Retailer 2
-
£122 GBP
View
Final sale: no returns
B+
Retailer 3
-
£125 GBP
View
A
Retailer 4
-
£193 GBP
View
B
Retailer 5
-
£247 GBP
View
B
Retailer 6
-
£407 GBP
View
B
Retailer 7
-
£453 GBP
View
B
Retailer 8
-
£473 GBP
View
B
Retailer 9
-
£575 GBP
View
B
Retailer 10
-
£695 GBP
View
Most Expensive
C
Do Amore Diamonds
27-465A999A6 · Nov 2
£1,046 GBP
$1,400 USD
View
10 more retailers have this diamond
Prices start from £108 GBPSave up to £938 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
£108 GBP