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Round|Lab Grown|GCAL

1.24ct J VS1 Round Lab Grown Diamond

EX • J/VS1

Diamond specifications and retailer prices

From £1,846 GBP
As of November 5, 2026
Save £1,410 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,256 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 2 retailers as of November 5, 2026, with prices from £1,846 to £3,256, a £1,410 spread on the same certified stone. The Diamond Guys lists it at £3,256. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions6.82 × 6.86 × 4.27 mm
L/W Ratio1.01
Top View
6.82 mm6.86 mm1.24 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 59.0%CrownGirdle: MediumPavilionCuletDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £1,846 GBP|Low: £1,846 GBP|High: £3,256 GBP|Avg: £2,786 GBP
Retailer 1
The Diamond Guys
September 4, 2026
Retailer 1£1,846 GBP
The Diamond Guys£3,256 GBP

2 data points across 2 retailers

2 retailers£1,846 GBP to £3,256 GBP

B
Cheapest Retailer
-
£1,846 GBP
Most Expensive
C
The Diamond Guys
1842025532 · Nov 6
£3,256 GBP
$4,382 USD
View
1 more retailer has this diamond
Prices start from £1,846 GBPSave up to £1,410 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
1.24ct Round
£1,846 GBP