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0.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • GCAL 320970113

Shape and cutting style on the report: Round brilliant

Certificate GCAL 320970113

Diamond specifications and retailer prices

From £1,061 GBP
$1,422 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £1,061 GBP at Taylor and Hart
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Taylor and Hart

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 320970113. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320970113
Dimensions5.13 × 5.12 × 3.16 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.13 mm5.12 mm0.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 320970113
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £1,061 GBP|Low: £1,061 GBP|High: £1,061 GBP|Avg: £1,061 GBP
February 21, 2026
Taylor and Hart£1,061 GBP

1 data point across 1 retailer

1 retailer

B
Taylor and Hart
M8W266Y · Oct 31
£1,061 GBP
$1,422 USD
View

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B
0.51ct Round
£1,061 GBP