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Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG575367111

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

Certificate IGI LG575367111

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)
17 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 top-tier cut grade and certified by IGI LG575367111 or 575367111. Listed at 17 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575367111
Dimensions7.75 × 5.22 × 3.45 mm
L/W Ratio1.48
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
7.75 mm5.22 mm1.23 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575367111
Side View
Table 63.5%Crown 43.9°Girdle: THN-MEDPavilion 35.7°Culet: NoneDepth 66.1%

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: Nov 4
Current: £1,296 GBP|Low: £99 GBP|High: £1,356 GBP|Avg: £498 GBP|+9.4%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 2, 2026
Retailer 5£124 GBP
Retailer 7£140 GBP
Retailer 18£195 GBP
Retailer 4£224 GBP
Retailer 2£236 GBP
Retailer 15£271 GBP
Retailer 8£299 GBP
Retailer 13£301 GBP
Retailer 14£303 GBP
Retailer 17£373 GBP
Retailer 10£379 GBP
Retailer 16£492 GBP
Retailer 19£567 GBP
Retailer 3£619 GBP
Retailer 11£652 GBP
Retailer 9£661 GBP
Retailer 12£861 GBP
Retailer 6£933 GBP
Do Amore Diamonds£1,296 GBP

41 data points across 19 retailers

17 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
A
Retailer 6
-
£236 GBP
View
A
Retailer 7
-
£271 GBP
View
A
Retailer 8
-
£273 GBP
View
A
Retailer 9
-
£301 GBP
View
B+
Retailer 10
-
£373 GBP
View
Retailer 11
-
£492 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£549 GBP
View
Price last confirmed 14 days ago
B
Retailer 13
-
£567 GBP
View
B
Retailer 14
-
£593 GBP
View
B
Retailer 15
-
£619 GBP
View
B
Retailer 16
-
£861 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0FE480C94 · Nov 3
£1,296 GBP
$1,750 USD
View
16 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