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Cushion|Lab Grown|IGI

1.28ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG688518610

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG688518610

Diamond specifications and retailer prices

From £382 GBP
$512 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £382 GBP at B2C Jewels
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 B2C Jewels

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG688518610 or 688518610. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688518610
Dimensions7.30 × 5.61 × 3.89 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.61 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688518610
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £382 GBP|Low: £174 GBP|High: £1,416 GBP|Avg: £623 GBP|-11.0%
B2C Jewels
Retailer 2
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September 23, 2026
Retailer 8£177 GBP
Retailer 15£209 GBP
Retailer 5£258 GBP
Retailer 2£332 GBP
B2C Jewels£382 GBP
Retailer 9£399 GBP
Retailer 10£419 GBP
Retailer 11£462 GBP
Retailer 6£556 GBP
Retailer 12£704 GBP
Retailer 14£712 GBP
Retailer 13£764 GBP
Retailer 7£857 GBP
Retailer 4£1,086 GBP
Retailer 3£1,416 GBP

53 data points across 15 retailers

1 retailer

B+
B2C Jewels
27807807 · Nov 2
£382 GBP
$512 USD
View

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B+
1.28ct Cushion
£382 GBP