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Cushion|Lab Grown|GIA

3.17ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1

Diamond specifications and retailer prices

From $1,589 CAD
As of November 6, 2026
Save $5,490 CAD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,079 CAD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 3.17ct lab-grown cushion diamond

This 3.17ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of November 6, 2026, with prices from $1,589 to $7,079, a $5,490 spread on the same certified stone. Washington Diamond lists it at $7,079. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.17
Carat
F
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.44 × 8.08 × 5.34 mm
L/W Ratio1.17
Top View
9.44 mm8.08 mm3.17 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,092 CAD|Low: $1,490 CAD|High: $7,079 CAD|Avg: $3,199 CAD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Washington Diamond
November 6, 2026
Retailer 2$1,589 CAD
Retailer 1$2,092 CAD
Retailer 3$5,837 CAD
Washington Diamond$7,079 CAD

41 data points across 4 retailers

4 retailers$1,589 CAD to $7,079 CAD

B+
Cheapest Retailer
-
$1,589 CAD
B+
Retailer 2
-
$2,092 CAD
View
C
Retailer 3
-
$5,837 CAD
View
Most Expensive
C
Washington Diamond
1986529697 · Nov 6
$7,079 CAD
$5,033 USD
View
3 more retailers have this diamond
Prices start from $1,589 CADSave up to $5,490 CAD

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+
3.17ct Cushion
$1,589 CAD