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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 $6,164 NZD
$3,468 USD
As of November 2, 2026
Save $5,900 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,065 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 2235856156. Listed at 14 retailers as of November 2, 2026, with prices from $6,164 to $12,065, a $5,900 spread on the same certified stone. MOH London lists it at $12,065. 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: $12,065 NZD|Low: $6,164 NZD|High: $12,911 NZD|Avg: $8,182 NZD|-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$6,164 NZD
Retailer 7$6,272 NZD
Retailer 12$6,460 NZD
Retailer 4$6,940 NZD
Retailer 13$7,043 NZD
Retailer 10$7,179 NZD
Retailer 6$7,452 NZD
Retailer 8$7,465 NZD
Retailer 11$7,465 NZD
Retailer 9$7,713 NZD
Retailer 2$8,030 NZD
Retailer 5$10,529 NZD
MOH London$12,065 NZD

41 data points across 13 retailers

14 retailers$6,164 NZD to $12,065 NZD

A
Cheapest Retailer
-
$6,164 NZD
$3,468 USD
A
Retailer 2
-
$6,272 NZD
CA$4,901 CAD
View
A
Retailer 3
-
$6,460 NZD
$3,635 USD
View
B+
Retailer 4
-
$6,940 NZD
$3,905 USD
View
B+
Retailer 5
-
$7,043 NZD
$3,963 USD
View
B+
Retailer 6
-
$7,179 NZD
$4,039 USD
View
B+
Retailer 7
-
$7,452 NZD
£3,301 GBP
View
B+
Retailer 8
-
$7,465 NZD
$4,200 USD
View
B+
Retailer 9
-
$7,465 NZD
$4,200 USD
View
B+
Retailer 10
-
$7,713 NZD
$4,340 USD
View
B+
Retailer 11
-
$8,030 NZD
€4,303 EUR
View
B+
Retailer 12
-
$8,069 NZD
CA$6,306 CAD
View
B
Retailer 13
-
$10,529 NZD
$5,924 USD
View
Most Expensive
B
MOH London
FDEC76607 · Nov 2
$12,065 NZD
£5,345 GBP
View
13 more retailers have this diamond
Prices start from $6,164 NZDSave up to $5,900 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
$6,164 NZD