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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 $4,164 AUD
HK$22,800 HKD
As of November 1, 2026
Save $5,063 AUD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,228 AUD 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 $4,164 to $9,228, a $5,063 spread on the same certified stone. MOH London lists it at $9,228. 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: $9,228 AUD|Low: $4,128 AUD|High: $10,067 AUD|Avg: $5,989 AUD|-8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$4,164 AUD
Retailer 2$4,442 AUD
Retailer 8$4,503 AUD
Retailer 6$5,518 AUD
Retailer 4$5,644 AUD
Retailer 7$5,779 AUD
Retailer 3$6,457 AUD
MOH London$9,228 AUD

37 data points across 8 retailers

10 retailers$4,164 AUD to $9,228 AUD

A
Cheapest Retailer
-
$4,164 AUD
HK$22,800 HKD
A
Retailer 2
-
$4,442 AUD
₹296,469 INR
View
A
Retailer 3
-
$4,503 AUD
SGD 4,265 SGD
View
B+
Retailer 4
-
$5,462 AUD
$3,828 USD
View
B+
Retailer 5
-
$5,518 AUD
$3,867 USD
View
B+
Retailer 6
-
$5,644 AUD
£3,114 GBP
View
B+
Retailer 7
-
$5,767 AUD
View
B+
Retailer 8
-
$5,779 AUD
$4,050 USD
View
B+
Retailer 9
-
$6,457 AUD
€4,310 EUR
View
Most Expensive
B
MOH London
64A1A106C · Nov 1
$9,228 AUD
£5,092 GBP
View
9 more retailers have this diamond
Prices start from $4,164 AUDSave up to $5,063 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
$4,164 AUD