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Cushion|Lab Grown|GIA

3.21ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1

Diamond specifications and retailer prices

From €1,256 EUR
£1,105 GBP
As of November 1, 2026
Save €2,409 EUR (66%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €3,666 EUR at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 30, 2026, with prices from €1,256 to €3,666, a €2,409 spread on the same certified stone. Diamond Exchange Canada lists it at €3,666. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.21
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.39 × 8.14 × 5.51 mm
L/W Ratio1.15
Top View
9.39 mm8.14 mm3.21 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCuletDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €3,666 EUR|Low: €1,211 EUR|High: €3,666 EUR|Avg: €2,452 EUR
Diamond Exchange Canada
Retailer 2
November 1, 2026
Retailer 2€1,256 EUR
Diamond Exchange Canada€3,666 EUR

39 data points across 2 retailers

2 retailers€1,256 EUR to €3,666 EUR

B+
Cheapest Retailer
-
€1,256 EUR
£1,105 GBP
Most Expensive
C
Diamond Exchange Canada
1986529633 · Oct 30
€3,666 EUR
CA$5,688 CAD
View
1 more retailer has this diamond
Prices start from €1,256 EURSave up to €2,409 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.

B+
3.21ct Cushion
€1,256 EUR