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Cushion|Lab Grown|GCAL

1.50ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • GCAL 302940365

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 302940365

Diamond specifications and retailer prices

From £808 GBP
As of November 6, 2026
Save £896 GBP (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,703 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 302940365. Listed at 2 retailers as of November 5, 2026, with prices from £808 to £1,703, a £896 spread on the same certified stone. Do Amore Diamonds lists it at £1,703. 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

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 302940365
Dimensions7.22 × 5.89 × 4.10 mm
L/W Ratio1.23
Culet sizeNone
Top View
7.22 mm5.89 mm1.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 302940365
Side View
Table 63.0%Crown 35.3°Girdle: NANPavilion 36.8°CuletDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,703 GBP|Low: £702 GBP|High: £1,703 GBP|Avg: £1,088 GBP|+21.3%
Do Amore Diamonds
Retailer 2
September 26, 2026
Retailer 2£808 GBP
Do Amore Diamonds£1,703 GBP

58 data points across 2 retailers

2 retailers£808 GBP to £1,703 GBP

B
Cheapest Retailer
-
£808 GBP
Most Expensive
C
Do Amore Diamonds
24-DS37-1112 · Nov 5
£1,703 GBP
$2,280 USD
View
1 more retailer has this diamond
Prices start from £808 GBPSave up to £896 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
1.50ct Cushion
£808 GBP