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Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

GD • F/VS2 • IGI LG576320081

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

Certificate IGI LG576320081

Diamond specifications and retailer prices

From £140 GBP
As of November 4, 2026
Save £1,156 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,296 GBP at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG576320081 or 576320081. Listed at 16 retailers as of November 3, 2026, with prices from £140 to £1,296, a £1,156 spread on the same certified stone. Do Amore Diamonds lists it at £1,296. 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

1.23
Carat
F
Colour
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576320081
Dimensions7.60 × 5.27 × 3.49 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
7.60 mm5.27 mm1.23 ctF / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576320081
Side View
Table 64.0%Crown 43.5°Girdle: MediumPavilion 33.7°Culet: NoneDepth 66.2%

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 4
Current: £1,296 GBP|Low: £99 GBP|High: £1,356 GBP|Avg: £530 GBP|+9.4%
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 4£124 GBP
Retailer 6£140 GBP
Retailer 19£195 GBP
Retailer 3£224 GBP
Retailer 16£271 GBP
Retailer 7£299 GBP
Retailer 13£301 GBP
Retailer 15£303 GBP
Retailer 18£373 GBP
Retailer 9£379 GBP
Retailer 14£444 GBP
Retailer 11£487 GBP
Retailer 17£492 GBP
Retailer 20£567 GBP
Retailer 21£619 GBP
Retailer 10£652 GBP
Retailer 8£661 GBP
Retailer 12£858 GBP
Retailer 2£861 GBP
Retailer 5£933 GBP
Do Amore Diamonds£1,296 GBP

21 data points across 21 retailers

16 retailers£140 GBP to £1,296 GBP

Retailer 1
-
£124 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£140 GBP
View
Final sale: no returns
Retailer 3
-
£144 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
£195 GBP
View
B+
Retailer 5
-
£224 GBP
View
B+
Retailer 6
-
£271 GBP
View
B+
Retailer 7
-
£273 GBP
View
B+
Retailer 8
-
£301 GBP
View
B+
Retailer 9
-
£373 GBP
View
Retailer 10
-
£492 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£549 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£567 GBP
View
B
Retailer 13
-
£619 GBP
View
B
Retailer 14
-
£861 GBP
View
B
Retailer 15
-
£874 GBP
View
Most Expensive
C
Do Amore Diamonds
27-42DF65F5E · Nov 3
£1,296 GBP
$1,750 USD
View
15 more retailers have this diamond
Prices start from £140 GBPSave up to £1,156 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
1.23ct Radiant
£140 GBP