CaratHunter
Plans
Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 1459446522

Certificate GIA 1459446522

Diamond specifications and retailer prices

From $4,822 AUD
HK$26,400 HKD
As of November 1, 2026
Save $5,007 AUD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,829 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 1459446522. Listed at 19 retailers as of November 1, 2026, with prices from $4,822 to $9,829, a $5,007 spread on the same certified stone. MOH London lists it at $9,829. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.69°
Pavilion angle54.73°
OriginNatural
Grading LabGIA
CertificateGIA 1459446522
Dimensions6.86 × 6.35 × 4.40 mm
L/W Ratio1.08
Cert comments
Additional pinpoints are not shown. Clouds are not shown.
Key to symbols
Feather
Top View
6.86 mm6.35 mm1.70 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1459446522
Side View
Table 65.0%Crown 44.69°Girdle: MED-STKPavilion 54.73°Culet: NoneDepth 69.2%

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 1
Current: $9,829 AUD|Low: $4,822 AUD|High: $9,882 AUD|Avg: $6,105 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$4,822 AUD
Retailer 2$4,914 AUD
Retailer 8$5,265 AUD
Retailer 9$5,519 AUD
Retailer 10$5,695 AUD
Retailer 7$5,912 AUD
Retailer 3$6,101 AUD
Retailer 5$6,313 AUD
Retailer 4$6,982 AUD
MOH London$9,829 AUD

28 data points across 10 retailers

19 retailers$4,822 AUD to $9,829 AUD

A
Cheapest Retailer
-
$4,822 AUD
HK$26,400 HKD
A
Retailer 2
-
$4,914 AUD
₹327,986 INR
View
B+
Retailer 3
-
$5,265 AUD
$3,690 USD
View
B+
Retailer 4
-
$5,429 AUD
$3,805 USD
View
A
Retailer 5
-
$5,519 AUD
SGD 5,227 SGD
View
B+
Retailer 6
-
$5,695 AUD
$3,991 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,912 AUD
$4,143 USD
View
B+
Retailer 8
-
$6,101 AUD
£3,367 GBP
View
B+
Retailer 9
-
$6,121 AUD
SGD 5,797 SGD
View
B+
Retailer 10
-
$6,171 AUD
$4,325 USD
View
B+
Retailer 11
-
$6,313 AUD
£3,484 GBP
View
B+
Retailer 12
-
$6,364 AUD
$4,460 USD
View
B+
Retailer 13
-
$6,383 AUD
$4,473 USD
View
B+
Retailer 14
-
$6,441 AUD
$4,514 USD
View
B+
Retailer 15
-
$6,478 AUD
$4,540 USD
View
B+
Retailer 16
-
$6,525 AUD
$4,573 USD
View
B+
Retailer 17
-
$6,982 AUD
€4,660 EUR
View
B
Retailer 18
-
$9,392 AUD
$6,582 USD
View
Most Expensive
B
MOH London
8ABDAE3E3 · Nov 2
$9,829 AUD
£5,424 GBP
View
18 more retailers have this diamond
Prices start from $4,822 AUDSave up to $5,007 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
$4,822 AUD