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Cushion|Lab Grown|GIA

1.51ct I SI1 Cushion Lab Grown Diamond

VG • I/SI1 • GIA 2225061189

Certificate GIA 2225061189

Diamond specifications and retailer prices

From £6,216 GBP
As of November 6, 2026
Save £209 GBP (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,425 GBP at Jared · As of November 6, 2026
View at Jared

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2225061189. Listed at 3 retailers as of November 6, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2225061189
Dimensions7.32 × 5.75 mm
L/W Ratio1.27
Top View
7.32 mm5.75 mm1.51 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2225061189
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 72.7%

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: £6,425 GBP|Low: £6,216 GBP|High: £6,425 GBP|Avg: £6,286 GBP
Jared
Retailer 2
Retailer 3
February 22, 2026
Retailer 2£6,216 GBP
Retailer 3£6,216 GBP
Jared£6,425 GBP

3 data points across 3 retailers

3 retailers£6,216 GBP to £6,425 GBP

B
Cheapest Retailer
-
£6,216 GBP
B
Retailer 2
-
£6,216 GBP
View
Most Expensive
C
Jared
143037034 · Nov 6
£6,425 GBP
$8,600 USD
View
2 more retailers have this diamond
Prices start from £6,216 GBPSave up to £209 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
1.51ct Cushion
£6,216 GBP