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Radiant|Lab Grown|GCAL

1.23ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • GCAL 353390191

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 353390191

Diamond specifications and retailer prices

From £496 GBP
$661 USD
As of October 29, 2026
Save £222 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £719 GBP at Loose Grown Diamond · As of October 28, 2026
View at Loose Grown Diamond

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GCAL 353390191. Listed at 2 retailers as of October 28, 2026, with prices from £496 to £719, a £222 spread on the same certified stone. Loose Grown Diamond lists it at £719. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle59.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353390191
Dimensions7.53 × 5.35 × 3.63 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.53 mm5.35 mm1.23 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353390191
Side View
Table 66.0%Crown 43°Girdle: MED-STKPavilion 59.4°Culet: NoneDepth 67.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £719 GBP|Low: £496 GBP|High: £1,158 GBP|Avg: £720 GBP|-37.9%
Loose Grown Diamond
Retailer 2
September 15, 2026
Retailer 2£496 GBP
Loose Grown Diamond£719 GBP

11 data points across 2 retailers

2 retailers£496 GBP to £719 GBP

B+
Cheapest Retailer
-
£496 GBP
$661 USD
Most Expensive
B
Loose Grown Diamond
353390191 · Oct 28
£719 GBP
$957 USD
View
1 more retailer has this diamond
Prices start from £496 GBPSave up to £222 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.

B+
1.23ct Radiant
£496 GBP