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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 1459446522

Certificate GIA 1459446522

Diamond specifications and retailer prices

From $6,006 NZD
HK$26,400 HKD
As of November 1, 2026
Save $6,237 NZD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,243 NZD 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 $6,006 to $12,243, a $6,237 spread on the same certified stone. MOH London lists it at $12,243. 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: $12,243 NZD|Low: $6,006 NZD|High: $12,308 NZD|Avg: $7,605 NZD|-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$6,006 NZD
Retailer 2$6,121 NZD
Retailer 8$6,558 NZD
Retailer 9$6,875 NZD
Retailer 10$7,093 NZD
Retailer 7$7,363 NZD
Retailer 3$7,599 NZD
Retailer 5$7,863 NZD
Retailer 4$8,696 NZD
MOH London$12,243 NZD

28 data points across 10 retailers

19 retailers$6,006 NZD to $12,243 NZD

A
Cheapest Retailer
-
$6,006 NZD
HK$26,400 HKD
A
Retailer 2
-
$6,121 NZD
₹327,986 INR
View
B+
Retailer 3
-
$6,558 NZD
$3,690 USD
View
B+
Retailer 4
-
$6,763 NZD
$3,805 USD
View
A
Retailer 5
-
$6,875 NZD
SGD 5,227 SGD
View
B+
Retailer 6
-
$7,093 NZD
$3,991 USD
View
Final sale: no returns
B+
Retailer 7
-
$7,363 NZD
$4,143 USD
View
B+
Retailer 8
-
$7,599 NZD
£3,367 GBP
View
B+
Retailer 9
-
$7,624 NZD
SGD 5,797 SGD
View
B+
Retailer 10
-
$7,687 NZD
$4,325 USD
View
B+
Retailer 11
-
$7,863 NZD
£3,484 GBP
View
B+
Retailer 12
-
$7,927 NZD
$4,460 USD
View
B+
Retailer 13
-
$7,950 NZD
$4,473 USD
View
B+
Retailer 14
-
$8,023 NZD
$4,514 USD
View
B+
Retailer 15
-
$8,069 NZD
$4,540 USD
View
B+
Retailer 16
-
$8,128 NZD
$4,573 USD
View
B+
Retailer 17
-
$8,696 NZD
€4,660 EUR
View
B
Retailer 18
-
$11,699 NZD
$6,582 USD
View
Most Expensive
B
MOH London
8ABDAE3E3 · Nov 2
$12,243 NZD
£5,424 GBP
View
18 more retailers have this diamond
Prices start from $6,006 NZDSave up to $6,237 NZD

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
$6,006 NZD