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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 HK$30,129 HKD
As of November 1, 2026
Save HK$33,943 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$64,072 HKD 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 1558587225. Listed at 14 retailers as of November 1, 2026, with prices from HK$30,129 to HK$64,072, a HK$33,943 spread on the same certified stone. MOH London lists it at HK$64,072. 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: HK$64,072 HKD|Low: HK$29,928 HKD|High: HK$68,666 HKD|Avg: HK$41,869 HKD|-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 8HK$30,129 HKD
Retailer 2HK$32,089 HKD
Retailer 10HK$37,128 HKD
Retailer 3HK$37,554 HKD
Retailer 12HK$38,349 HKD
Retailer 5HK$39,772 HKD
Retailer 7HK$40,157 HKD
Retailer 9HK$41,422 HKD
Retailer 11HK$42,424 HKD
Retailer 4HK$42,596 HKD
Retailer 6HK$45,517 HKD
MOH LondonHK$64,072 HKD

25 data points across 12 retailers

14 retailersHK$30,129 HKD to HK$64,072 HKD

A
Cheapest Retailer
-
HK$30,129 HKD
B+
Retailer 2
-
HK$32,089 HKD
₹389,501 INR
View
B+
Retailer 3
-
HK$37,128 HKD
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$37,554 HKD
SGD 6,468 SGD
View
B+
Retailer 5
-
HK$38,349 HKD
SGD 6,605 SGD
View
B
Retailer 6
-
HK$39,042 HKD
$4,976 USD
View
B+
Retailer 7
-
HK$39,772 HKD
£3,991 GBP
View
B
Retailer 8
-
HK$40,157 HKD
£4,030 GBP
View
B
Retailer 9
-
HK$41,402 HKD
A$8,118 AUD
View
B
Retailer 10
-
HK$41,422 HKD
$5,279 USD
View
B+
Retailer 11
-
HK$42,424 HKD
$5,407 USD
View
Retailer 12
-
HK$42,596 HKD
$5,429 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
HK$45,517 HKD
€5,525 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Nov 1
HK$64,072 HKD
£6,430 GBP
View
13 more retailers have this diamond
Prices start from HK$30,129 HKDSave up to HK$33,943 HKD

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
HK$30,129 HKD