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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558587225

Certificate GIA 1558587225

Diamond specifications and retailer prices

From $5,364 CAD
HK$30,000 HKD
As of October 31, 2026
Save $6,103 CAD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,468 CAD at MOH London · As of October 29, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558587225. Listed at 14 retailers as of October 29, 2026, with prices from $5,364 to $11,468, a $6,103 spread on the same certified stone. MOH London lists it at $11,468. 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
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558587225
Dimensions8.04 × 6.04 × 4.17 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Twinning Wisp, Crystal, Feather, Indented Natural, Needle
Top View
8.04 mm6.04 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558587225
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.1%

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: Oct 31
Current: $11,468 CAD|Low: $5,328 CAD|High: $12,225 CAD|Avg: $7,464 CAD|-6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$5,364 CAD
Retailer 2$5,716 CAD
Retailer 10$6,610 CAD
Retailer 3$6,686 CAD
Retailer 12$6,828 CAD
Retailer 7$7,103 CAD
Retailer 8$7,149 CAD
Retailer 9$7,375 CAD
Retailer 11$7,553 CAD
Retailer 4$7,584 CAD
Retailer 6$8,105 CAD
MOH London$11,468 CAD

26 data points across 12 retailers

14 retailers$5,364 CAD to $11,468 CAD

A
Cheapest Retailer
-
$5,364 CAD
HK$30,000 HKD
B+
Retailer 2
-
$5,716 CAD
₹389,711 INR
View
B+
Retailer 3
-
$6,610 CAD
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,686 CAD
SGD 6,468 SGD
View
B+
Retailer 5
-
$6,828 CAD
SGD 6,605 SGD
View
B
Retailer 6
-
$6,951 CAD
$4,976 USD
View
B+
Retailer 7
-
$7,103 CAD
£4,004 GBP
View
B
Retailer 8
-
$7,149 CAD
£4,030 GBP
View
B
Retailer 9
-
$7,371 CAD
A$8,118 AUD
View
B
Retailer 10
-
$7,375 CAD
$5,279 USD
View
B+
Retailer 11
-
$7,553 CAD
$5,407 USD
View
Retailer 12
-
$7,584 CAD
$5,429 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$8,105 CAD
€5,526 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Oct 29
$11,468 CAD
£6,464 GBP
View
13 more retailers have this diamond
Prices start from $5,364 CADSave up to $6,103 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
$5,364 CAD