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Cushion|Lab Grown|IGI

1.28ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1

Diamond specifications and retailer prices

From €243 EUR
£214 GBP
As of October 27, 2026
Save €377 EUR (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €620 EUR at Blue Nile · As of October 27, 2026
View at Blue Nile

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 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 €243 to €620, a €377 spread on the same certified stone. Blue Nile lists it at €620. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.26 × 6.26 × 0.00 mm
L/W Ratio1.00
Top View
6.26 mm6.26 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €620 EUR|Low: €242 EUR|High: €620 EUR|Avg: €425 EUR
Blue Nile
Retailer 2
October 27, 2026
Retailer 2€243 EUR
Blue Nile€620 EUR

34 data points across 2 retailers

2 retailers€243 EUR to €620 EUR

A
Cheapest Retailer
-
€243 EUR
£214 GBP
Most Expensive
B
Blue Nile
20244355 · Oct 27
€620 EUR
$695 USD
View
1 more retailer has this diamond
Prices start from €243 EURSave up to €377 EUR

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
1.28ct Cushion
€243 EUR