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Cushion|Lab Grown|GIA

1.54ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • GIA 817605016

Certificate GIA 817605016

Diamond specifications and retailer prices

From £973 GBP
As of November 4, 2026
Save £691 GBP (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,664 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 817605016. Listed at 2 retailers as of November 4, 2026, with prices from £973 to £1,664, a £691 spread on the same certified stone. Diamond Quarter lists it at £1,664. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Colour
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 817605016
Dimensions6.68 × 6.63 × 4.29 mm
L/W Ratio1.01
Top View
6.68 mm6.63 mm1.54 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 817605016
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £1,664 GBP|Low: £973 GBP|High: £1,664 GBP|Avg: £1,374 GBP
Diamond Quarter
Retailer 2
October 30, 2026
Retailer 2£973 GBP
Diamond Quarter£1,664 GBP

3 data points across 2 retailers

2 retailers£973 GBP to £1,664 GBP

B+
Cheapest Retailer
-
£973 GBP
Most Expensive
B
Diamond Quarter
1.54VVS1G25456B5BN · Nov 5
£1,664 GBP
View
1 more retailer has this diamond
Prices start from £973 GBPSave up to £691 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+
1.54ct Cushion
£973 GBP