Cushion|Lab Grown|GCAL

1.28ct F VVS1 Cushion Lab Grown Diamond

GD • F/VVS1 • GCAL 361996405

Certificate GCAL 361996405

Diamond specifications and retailer prices

From £446 GBP
$593 USD
As of October 27, 2026
Save £969 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,416 GBP at Diamond Exchange Canada · As of October 27, 2026
View at Diamond Exchange Canada

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 VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by GCAL 361996405. Listed at 4 retailers as of October 27, 2026, with prices from £446 to £1,416, a £969 spread on the same certified stone. Diamond Exchange Canada lists it at £1,416. 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

1.28
Carat
F
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361996405
Dimensions6.48 × 6.20 × 4.29 mm
L/W Ratio1.05
Top View
6.48 mm6.20 mm1.28 ctF / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361996405
Side View
Table 51.0%CrownGirdle: MediumPavilionCulet: MediumDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,416 GBP|Low: £446 GBP|High: £2,837 GBP|Avg: £1,306 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 9, 2026
Retailer 4£446 GBP
Retailer 2£604 GBP
Diamond Exchange Canada£1,416 GBP
Retailer 3£2,837 GBP

3 data points across 4 retailers

4 retailers£446 GBP to £1,416 GBP

B+
Cheapest Retailer
-
£446 GBP
$593 USD
B
Retailer 2
-
£604 GBP
$803 USD
View
Most Expensive
C
Diamond Exchange Canada
1988718130 · Oct 27
£1,416 GBP
CA$2,612 CAD
View
2 more retailers have this diamond
Prices start from £446 GBPSave up to £969 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+
1.28ct Cushion
£446 GBP