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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2235856156

Certificate GIA 2235856156

Diamond specifications and retailer prices

From $4,949 AUD
$3,468 USD
As of November 2, 2026
Save $4,737 AUD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,686 AUD at MOH London · As of November 2, 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 2235856156. Listed at 14 retailers as of November 2, 2026, with prices from $4,949 to $9,686, a $4,737 spread on the same certified stone. MOH London lists it at $9,686. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle37.57°
OriginNatural
Grading LabGIA
CertificateGIA 2235856156
Dimensions6.75 × 6.66 × 4.59 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.75 mm6.66 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235856156
Side View
Table 61.0%CrownGirdle: THK-ETKPavilion 37.57°Culet: NoneDepth 68.8%

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 2
Current: $9,686 AUD|Low: $4,949 AUD|High: $10,366 AUD|Avg: $6,576 AUD|-5.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3$4,949 AUD
Retailer 7$5,036 AUD
Retailer 12$5,187 AUD
Retailer 4$5,572 AUD
Retailer 13$5,655 AUD
Retailer 10$5,763 AUD
Retailer 6$5,983 AUD
Retailer 8$5,993 AUD
Retailer 11$5,993 AUD
Retailer 9$6,193 AUD
Retailer 2$6,447 AUD
Retailer 5$8,453 AUD
MOH London$9,686 AUD

42 data points across 13 retailers

14 retailers$4,949 AUD to $9,686 AUD

A
Cheapest Retailer
-
$4,949 AUD
$3,468 USD
A
Retailer 2
-
$5,036 AUD
CA$4,901 CAD
View
A
Retailer 3
-
$5,187 AUD
$3,635 USD
View
B+
Retailer 4
-
$5,572 AUD
$3,905 USD
View
B+
Retailer 5
-
$5,655 AUD
$3,963 USD
View
B+
Retailer 6
-
$5,763 AUD
$4,039 USD
View
B+
Retailer 7
-
$5,983 AUD
£3,301 GBP
View
B+
Retailer 8
-
$5,993 AUD
$4,200 USD
View
B+
Retailer 9
-
$5,993 AUD
$4,200 USD
View
B+
Retailer 10
-
$6,193 AUD
$4,340 USD
View
B+
Retailer 11
-
$6,447 AUD
€4,303 EUR
View
B+
Retailer 12
-
$6,478 AUD
CA$6,306 CAD
View
B
Retailer 13
-
$8,453 AUD
$5,924 USD
View
Most Expensive
B
MOH London
FDEC76607 · Nov 2
$9,686 AUD
£5,345 GBP
View
13 more retailers have this diamond
Prices start from $4,949 AUDSave up to $4,737 AUD

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
$4,949 AUD