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Cushion|Lab Grown|IGI

1.66ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2

Diamond specifications and retailer prices

From £265 GBP
As of October 30, 2026
Save £637 GBP (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £902 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.66ct lab-grown cushion diamond

This 1.66ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from £265 to £902, a £637 spread on the same certified stone. The Diamond Guys lists it at £902. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.57 × 5.98 × 4.07 mm
L/W Ratio1.43
Top View
8.57 mm5.98 mm1.66 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £265 GBP|Low: £264 GBP|High: £902 GBP|Avg: £523 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
October 30, 2026
Retailer 1£265 GBP
Retailer 2£305 GBP
Retailer 4£468 GBP
Retailer 3£682 GBP
The Diamond Guys£902 GBP

6 data points across 5 retailers

5 retailers£265 GBP to £902 GBP

A
Cheapest Retailer
-
£265 GBP
A
Retailer 2
-
£305 GBP
$408 USD
View
Retailer 3
-
£468 GBP
$627 USD
View
Price last confirmed 34 days ago
B
Retailer 4
-
£682 GBP
CA$1,268 CAD
View
Most Expensive
B
The Diamond Guys
1971279127 · Nov 1
£902 GBP
$1,208 USD
View
4 more retailers have this diamond
Prices start from £265 GBPSave up to £637 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
1.66ct Cushion
£265 GBP