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Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG643427237

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

Certificate IGI LG643427237

Diamond specifications and retailer prices

From £139 GBP
As of November 4, 2026
Save £1,194 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,333 GBP at Do Amore Diamonds · As of November 4, 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 LG643427237 or 643427237. Listed at 15 retailers as of November 4, 2026, with prices from £139 to £1,333, a £1,194 spread on the same certified stone. Do Amore Diamonds lists it at £1,333. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643427237
Dimensions7.76 × 5.17 × 3.52 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.17 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643427237
Side View
Table 67.0%Crown 43.4°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 68.1%

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: £1,333 GBP|Low: £133 GBP|High: £1,333 GBP|Avg: £451 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
November 5, 2026
Retailer 10£139 GBP
Retailer 4£156 GBP
Retailer 14£161 GBP
Retailer 3£173 GBP
Retailer 11£173 GBP
Retailer 13£302 GBP
Retailer 2£347 GBP
Retailer 8£385 GBP
Retailer 5£411 GBP
Retailer 9£556 GBP
Retailer 12£611 GBP
Retailer 6£696 GBP
Retailer 7£760 GBP
Do Amore Diamonds£1,333 GBP

44 data points across 14 retailers

15 retailers£139 GBP to £1,333 GBP

A
Cheapest Retailer
-
£139 GBP
A
Retailer 2
-
£156 GBP
View
Final sale: no returns
A
Retailer 3
-
£161 GBP
View
Retailer 4
-
£173 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£173 GBP
View
A
Retailer 6
-
£266 GBP
View
A
Retailer 7
-
£302 GBP
View
A
Retailer 8
-
£347 GBP
View
A
Retailer 9
-
£385 GBP
View
B+
Retailer 10
-
£411 GBP
View
B+
Retailer 11
-
£556 GBP
View
B
Retailer 12
-
£611 GBP
View
Retailer 13
-
£739 GBP
View
Price last confirmed 18 days ago
B
Retailer 14
-
£760 GBP
View
Most Expensive
B
Do Amore Diamonds
27-704997A70 · Nov 4
£1,333 GBP
$1,800 USD
View
14 more retailers have this diamond
Prices start from £139 GBPSave up to £1,194 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
£139 GBP