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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 7553229912

Certificate GIA 7553229912

Diamond specifications and retailer prices

From $3,269 AUD
HK$17,900 HKD
As of November 1, 2026
Save $4,161 AUD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,430 AUD 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 7553229912. Listed at 7 retailers as of November 1, 2026, with prices from $3,269 to $7,430, a $4,161 spread on the same certified stone. MOH London lists it at $7,430. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553229912
Dimensions6.95 × 6.52 × 4.54 mm
L/W Ratio1.07
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.95 mm6.52 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553229912
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.7%

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: $7,430 AUD|Low: $3,269 AUD|High: $8,622 AUD|Avg: $5,045 AUD|-12.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$3,269 AUD
Retailer 4$3,689 AUD
Retailer 5$4,027 AUD
Retailer 6$4,643 AUD
Retailer 7$4,702 AUD
Retailer 2$5,371 AUD
MOH London$7,430 AUD

31 data points across 7 retailers

7 retailers$3,269 AUD to $7,430 AUD

A
Cheapest Retailer
-
$3,269 AUD
HK$17,900 HKD
A
Retailer 2
-
$3,689 AUD
$2,585 USD
View
A
Retailer 3
-
$4,027 AUD
$2,822 USD
View
A
Retailer 4
-
$4,643 AUD
SGD 4,397 SGD
View
A
Retailer 5
-
$4,702 AUD
$3,295 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,371 AUD
€3,585 EUR
View
Most Expensive
B
MOH London
A86E5F604 · Nov 2
$7,430 AUD
£4,100 GBP
View
6 more retailers have this diamond
Prices start from $3,269 AUDSave up to $4,161 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
$3,269 AUD