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Cushion|Natural|GIA

1.71ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551325602

Certificate GIA 6551325602

Diamond specifications and retailer prices

From $5,317 CAD
As of November 5, 2026
Save $3,997 CAD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,314 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.71ct natural cushion diamond

This 1.71ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551325602. Listed at 6 retailers as of November 2, 2026, with prices from $5,317 to $9,314, a $3,997 spread on the same certified stone. MOH London lists it at $9,314. 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

1.71
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551325602
Dimensions7.69 × 6.00 × 4.09 mm
L/W Ratio1.28
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
7.69 mm6.00 mm1.71 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551325602
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 68.2%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $9,314 CAD|Low: $5,317 CAD|High: $9,427 CAD|Avg: $6,579 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$5,317 CAD
Retailer 5$5,570 CAD
Retailer 3$5,607 CAD
Retailer 2$6,268 CAD
Retailer 4$6,798 CAD
MOH London$9,314 CAD

44 data points across 6 retailers

6 retailers$5,317 CAD to $9,314 CAD

A
Cheapest Retailer
-
$5,317 CAD
Retailer 2
-
$5,570 CAD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$5,607 CAD
View
B+
Retailer 4
-
$6,268 CAD
View
B+
Retailer 5
-
$6,798 CAD
View
Most Expensive
B
MOH London
D8A6D52EE · Nov 2
$9,314 CAD
£5,214 GBP
View
5 more retailers have this diamond
Prices start from $5,317 CADSave up to $3,997 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.

A
1.71ct Cushion
$5,317 CAD