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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6555632586

Certificate GIA 6555632586

Diamond specifications and retailer prices

From $5,187 NZD
HK$22,800 HKD
As of November 1, 2026
Save $6,307 NZD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,494 NZD at MOH London · As of November 1, 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 6555632586. Listed at 10 retailers as of November 1, 2026, with prices from $5,187 to $11,494, a $6,307 spread on the same certified stone. MOH London lists it at $11,494. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555632586
Dimensions8.29 × 6.39 × 3.82 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Indented Natural, Feather, Needle
Top View
8.29 mm6.39 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555632586
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.8%

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 1
Current: $11,494 NZD|Low: $5,141 NZD|High: $12,539 NZD|Avg: $7,455 NZD|-8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 5$5,187 NZD
Retailer 3$5,533 NZD
Retailer 8$5,609 NZD
Retailer 6$6,873 NZD
Retailer 2$7,030 NZD
Retailer 7$7,198 NZD
Retailer 4$8,043 NZD
MOH London$11,494 NZD

37 data points across 8 retailers

10 retailers$5,187 NZD to $11,494 NZD

A
Cheapest Retailer
-
$5,187 NZD
HK$22,800 HKD
A
Retailer 2
-
$5,533 NZD
₹296,469 INR
View
A
Retailer 3
-
$5,609 NZD
SGD 4,265 SGD
View
B+
Retailer 4
-
$6,804 NZD
$3,828 USD
View
B+
Retailer 5
-
$6,873 NZD
$3,867 USD
View
B+
Retailer 6
-
$7,030 NZD
£3,114 GBP
View
B+
Retailer 7
-
$7,183 NZD
A$6,218 AUD
View
B+
Retailer 8
-
$7,198 NZD
$4,050 USD
View
B+
Retailer 9
-
$8,043 NZD
€4,310 EUR
View
Most Expensive
B
MOH London
64A1A106C · Nov 1
$11,494 NZD
£5,092 GBP
View
9 more retailers have this diamond
Prices start from $5,187 NZDSave up to $6,307 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
$5,187 NZD