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Radiant|Lab Grown|IGI

1.23ct F VVS2 Radiant Lab Grown Diamond

VG • F/VVS2 • IGI LG618449465

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

Certificate IGI LG618449465

Diamond specifications and retailer prices

From £132 GBP
As of November 4, 2026
Save £1,153 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,285 GBP at Do Amore Diamonds · As of November 2, 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 VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG618449465 or 618449465. Listed at 10 retailers as of November 2, 2026, with prices from £132 to £1,285, a £1,153 spread on the same certified stone. Do Amore Diamonds lists it at £1,285. 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
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618449465
Dimensions7.61 × 5.28 × 3.60 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
7.61 mm5.28 mm1.23 ctF / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618449465
Side View
Table 66.0%Crown 39°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.2%

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: £1,285 GBP|Low: £106 GBP|High: £1,285 GBP|Avg: £465 GBP|+1.2%
Do Amore Diamonds
Retailer 2
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Retailer 15
November 4, 2026
Retailer 2£132 GBP
Retailer 15£147 GBP
Retailer 11£154 GBP
Retailer 13£204 GBP
Retailer 10£292 GBP
Retailer 3£316 GBP
Retailer 6£333 GBP
Retailer 5£382 GBP
Retailer 7£397 GBP
Retailer 12£447 GBP
Retailer 9£559 GBP
Retailer 8£583 GBP
Retailer 4£728 GBP
Retailer 14£861 GBP
Do Amore Diamonds£1,285 GBP

43 data points across 15 retailers

10 retailers£132 GBP to £1,285 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£147 GBP
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
View
A
Retailer 4
-
£204 GBP
View
A
Retailer 5
-
£292 GBP
View
B+
Retailer 6
-
£447 GBP
View
B+
Retailer 7
-
£559 GBP
View
B+
Retailer 8
-
£583 GBP
View
Retailer 9
-
£861 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-FF9D1F031 · Nov 2
£1,285 GBP
$1,730 USD
View
9 more retailers have this diamond
Prices start from £132 GBPSave up to £1,153 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
£132 GBP