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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 $6,825 NZD
HK$30,000 HKD
As of November 1, 2026
Save $7,689 NZD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,514 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 1558587225. Listed at 14 retailers as of November 1, 2026, with prices from $6,825 to $14,514, a $7,689 spread on the same certified stone. MOH London lists it at $14,514. 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
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: Nov 1
Current: $14,514 NZD|Low: $6,779 NZD|High: $15,554 NZD|Avg: $9,484 NZD|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$6,825 NZD
Retailer 2$7,269 NZD
Retailer 10$8,410 NZD
Retailer 3$8,507 NZD
Retailer 12$8,687 NZD
Retailer 5$9,009 NZD
Retailer 7$9,096 NZD
Retailer 9$9,383 NZD
Retailer 11$9,610 NZD
Retailer 4$9,649 NZD
Retailer 6$10,311 NZD
MOH London$14,514 NZD

25 data points across 12 retailers

14 retailers$6,825 NZD to $14,514 NZD

A
Cheapest Retailer
-
$6,825 NZD
HK$30,000 HKD
B+
Retailer 2
-
$7,269 NZD
₹389,501 INR
View
B+
Retailer 3
-
$8,410 NZD
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,507 NZD
SGD 6,468 SGD
View
B+
Retailer 5
-
$8,687 NZD
SGD 6,605 SGD
View
B
Retailer 6
-
$8,844 NZD
$4,976 USD
View
B+
Retailer 7
-
$9,009 NZD
£3,991 GBP
View
B
Retailer 8
-
$9,096 NZD
£4,030 GBP
View
B
Retailer 9
-
$9,378 NZD
A$8,118 AUD
View
B
Retailer 10
-
$9,383 NZD
$5,279 USD
View
B+
Retailer 11
-
$9,610 NZD
$5,407 USD
View
Retailer 12
-
$9,649 NZD
$5,429 USD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$10,311 NZD
€5,525 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Nov 2
$14,514 NZD
£6,430 GBP
View
13 more retailers have this diamond
Prices start from $6,825 NZDSave up to $7,689 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
$6,825 NZD