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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5563208516

Certificate GIA 5563208516

Diamond specifications and retailer prices

From $5,117 CAD
As of November 6, 2026
Save $5,698 CAD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,815 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 5563208516. Listed at 13 retailers as of November 4, 2026, with prices from $5,117 to $10,815, a $5,698 spread on the same certified stone. MOH London lists it at $10,815. 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 5563208516
Dimensions8.47 × 6.05 × 4.04 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
8.47 mm6.05 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5563208516
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 66.8%

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: $10,815 CAD|Low: $5,117 CAD|High: $10,902 CAD|Avg: $7,221 CAD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$5,117 CAD
Retailer 7$6,416 CAD
Retailer 3$6,605 CAD
Retailer 6$6,708 CAD
Retailer 8$6,878 CAD
Retailer 9$7,164 CAD
Retailer 4$7,244 CAD
Retailer 5$8,306 CAD
MOH London$10,815 CAD

28 data points across 9 retailers

13 retailers$5,117 CAD to $10,815 CAD

A
Cheapest Retailer
-
$5,117 CAD
B+
Retailer 2
-
$5,937 CAD
View
B+
Retailer 3
-
$6,245 CAD
View
B+
Retailer 4
-
$6,414 CAD
View
B+
Retailer 5
-
$6,416 CAD
View
B+
Retailer 6
-
$6,605 CAD
View
B+
Retailer 7
-
$6,708 CAD
View
Retailer 8
-
$6,878 CAD
View
Price last confirmed 10 days ago
Retailer 9
-
$7,160 CAD
View
Price last confirmed 39 days ago
B
Retailer 10
-
$7,164 CAD
View
B
Retailer 11
-
$7,244 CAD
View
B
Retailer 12
-
$8,306 CAD
View
Most Expensive
B
MOH London
426D53C74 · Nov 4
$10,815 CAD
£6,054 GBP
View
12 more retailers have this diamond
Prices start from $5,117 CADSave up to $5,698 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
$5,117 CAD