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Cushion|Lab Grown|GIA

1.50ct I SI1 Cushion Lab Grown Diamond

I/SI1 • GIA 7381698181

Certificate GIA 7381698181

Diamond specifications and retailer prices

From £335 GBP
As of November 6, 2026
Save £666 GBP (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,001 GBP at MOH London · As of November 2, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 7381698181. Listed at 4 retailers as of November 2, 2026, with prices from £335 to £1,001, a £666 spread on the same certified stone. MOH London lists it at £1,001. 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
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7381698181
Dimensions7.32 × 5.82 × 4.07 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Feather, Cavity, Growth Remnant
Top View
7.32 mm5.82 mm1.50 ctI / SI1
OriginLab Grown
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7381698181
Side View
Table 65.0%CrownGirdle: VTH-EXTPavilionCulet: NoneDepth 70.0%

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: Nov 6
Current: £1,001 GBP|Low: £335 GBP|High: £1,012 GBP|Avg: £677 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£335 GBP
Retailer 5£351 GBP
Retailer 2£796 GBP
Retailer 3£928 GBP
MOH London£1,001 GBP

10 data points across 5 retailers

4 retailers£335 GBP to £1,001 GBP

B+
Cheapest Retailer
-
£335 GBP
B
Retailer 2
-
£796 GBP
View
B
Retailer 3
-
£928 GBP
View
Most Expensive
B
MOH London
7381698181 · Nov 2
£1,001 GBP
View
3 more retailers have this diamond
Prices start from £335 GBPSave up to £666 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
£335 GBP