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Radiant|Lab Grown|IGI

1.17ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG553222775

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

Certificate IGI LG553222775

Diamond specifications and retailer prices

From £108 GBP
As of November 6, 2026
Save £923 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,031 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown radiant diamond

This 1.17ct 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 LG553222775 or 553222775. Listed at 10 retailers as of November 2, 2026, with prices from £108 to £1,031, a £923 spread on the same certified stone. Do Amore Diamonds lists it at £1,031. 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

1.17
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553222775
Dimensions7.43 × 5.15 × 3.54 mm
L/W Ratio1.44
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
7.43 mm5.15 mm1.17 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG553222775
Side View
Table 63.5%Crown 42°Girdle: MediumPavilion 37.1°Culet: NoneDepth 68.7%

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: £1,031 GBP|Low: £103 GBP|High: £1,031 GBP|Avg: £441 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
November 6, 2026
Retailer 8£108 GBP
Retailer 10£120 GBP
Retailer 9£247 GBP
Retailer 13£253 GBP
Retailer 4£330 GBP
Retailer 12£336 GBP
Retailer 3£353 GBP
Retailer 5£363 GBP
Retailer 2£418 GBP
Retailer 7£453 GBP
Retailer 11£590 GBP
Retailer 6£687 GBP
Do Amore Diamonds£1,031 GBP

12 data points across 13 retailers

10 retailers£108 GBP to £1,031 GBP

A
Cheapest Retailer
-
£108 GBP
A
Retailer 2
-
£120 GBP
View
Final sale: no returns
B+
Retailer 3
-
£125 GBP
View
B
Retailer 4
-
£247 GBP
View
B
Retailer 5
-
£418 GBP
View
B
Retailer 6
-
£453 GBP
View
B
Retailer 7
-
£473 GBP
View
B
Retailer 8
-
£590 GBP
View
B
Retailer 9
-
£687 GBP
View
Most Expensive
C
Do Amore Diamonds
27-AAFEF0DC2 · Nov 2
£1,031 GBP
$1,380 USD
View
9 more retailers have this diamond
Prices start from £108 GBPSave up to £923 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
1.17ct Radiant
£108 GBP