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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1545692555

Certificate GIA 1545692555

Diamond specifications and retailer prices

From $4,735 CAD
As of November 6, 2026
Save $5,216 CAD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,950 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct 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 1545692555. Listed at 14 retailers as of November 4, 2026, with prices from $4,735 to $9,950, a $5,216 spread on the same certified stone. MOH London lists it at $9,950. 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

1.70
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1545692555
Dimensions8.17 × 6.09 × 4.13 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural
Top View
8.17 mm6.09 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545692555
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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 6
Current: $9,950 CAD|Low: $4,735 CAD|High: $10,942 CAD|Avg: $6,858 CAD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$4,735 CAD
Retailer 2$5,013 CAD
Retailer 11$5,604 CAD
Retailer 10$5,978 CAD
Retailer 6$6,027 CAD
Retailer 9$6,061 CAD
Retailer 7$6,307 CAD
Retailer 12$6,442 CAD
Retailer 4$6,771 CAD
Retailer 5$7,048 CAD
Retailer 8$7,643 CAD
MOH London$9,950 CAD

29 data points across 12 retailers

14 retailers$4,735 CAD to $9,950 CAD

A
Cheapest Retailer
-
$4,735 CAD
A
Retailer 2
-
$5,013 CAD
View
B+
Retailer 3
-
$5,604 CAD
View
B+
Retailer 4
-
$5,978 CAD
View
B+
Retailer 5
-
$6,027 CAD
View
B+
Retailer 6
-
$6,061 CAD
View
B+
Retailer 7
-
$6,266 CAD
View
B+
Retailer 8
-
$6,307 CAD
View
B+
Retailer 9
-
$6,442 CAD
View
B+
Retailer 10
-
$6,653 CAD
View
Retailer 11
-
$6,771 CAD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$7,048 CAD
View
B+
Retailer 13
-
$7,643 CAD
View
Most Expensive
B
MOH London
43B26F09F · Nov 4
$9,950 CAD
£5,570 GBP
View
13 more retailers have this diamond
Prices start from $4,735 CADSave up to $5,216 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
1.70ct Cushion
$4,735 CAD