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Cushion|Lab Grown|IGI

1.64ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2

Diamond specifications and retailer prices

From £249 GBP
As of October 27, 2026
Save £507 GBP (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £756 GBP at Blue Nile · As of October 27, 2026
View at Blue Nile

About this 1.64ct lab-grown cushion diamond

This 1.64ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 27, 2026, with prices from £249 to £756, a £507 spread on the same certified stone. Blue Nile lists it at £756. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.81 × 6.82 × 0.00 mm
L/W Ratio1.00
Top View
6.81 mm6.82 mm1.64 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £756 GBP|Low: £248 GBP|High: £756 GBP|Avg: £493 GBP
Blue Nile
Retailer 2
October 27, 2026
Retailer 2£249 GBP
Blue Nile£756 GBP

34 data points across 2 retailers

2 retailers£249 GBP to £756 GBP

A
Cheapest Retailer
-
£249 GBP
Most Expensive
B
Blue Nile
20098506 · Oct 27
£756 GBP
$1,013 USD
View
1 more retailer has this diamond
Prices start from £249 GBPSave up to £507 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.

A
1.64ct Cushion
£249 GBP