CaratHunter
Plans
Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

GD • J/SI2 • GIA 2558699385

Certificate GIA 2558699385

Diamond specifications and retailer prices

From $5,315 AUD
HK$29,100 HKD
As of November 1, 2026
Save $5,964 AUD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,279 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2558699385. Listed at 14 retailers as of November 1, 2026, with prices from $5,315 to $11,279, a $5,964 spread on the same certified stone. MOH London lists it at $11,279. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558699385
Dimensions7.74 × 5.94 × 4.09 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Indented Natural
Top View
7.74 mm5.94 mm1.70 ctJ / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558699385
Side View
Table 63.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,279 AUD|Low: $5,260 AUD|High: $12,045 AUD|Avg: $7,347 AUD|-6.4%
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$5,315 AUD
Retailer 2$5,654 AUD
Retailer 11$6,535 AUD
Retailer 4$6,588 AUD
Retailer 3$6,749 AUD
Retailer 5$7,002 AUD
Retailer 7$7,043 AUD
Retailer 10$7,082 AUD
Retailer 9$7,298 AUD
Retailer 12$7,478 AUD
Retailer 6$8,013 AUD
MOH London$11,279 AUD

25 data points across 12 retailers

14 retailers$5,315 AUD to $11,279 AUD

B+
Cheapest Retailer
-
$5,315 AUD
HK$29,100 HKD
B+
Retailer 2
-
$5,654 AUD
₹377,350 INR
View
B+
Retailer 3
-
$6,535 AUD
$4,580 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,588 AUD
SGD 6,239 SGD
View
B
Retailer 5
-
$6,749 AUD
SGD 6,392 SGD
View
B
Retailer 6
-
$6,849 AUD
$4,800 USD
View
B
Retailer 7
-
$7,002 AUD
£3,864 GBP
View
B
Retailer 8
-
$7,043 AUD
£3,886 GBP
View
B
Retailer 9
-
$7,082 AUD
$4,963 USD
View
B
Retailer 10
-
$7,242 AUD
View
B
Retailer 11
-
$7,298 AUD
$5,115 USD
View
B
Retailer 12
-
$7,478 AUD
$5,241 USD
View
B
Retailer 13
-
$8,013 AUD
€5,348 EUR
View
Most Expensive
C
MOH London
25F3EF6A9 · Nov 2
$11,279 AUD
£6,224 GBP
View
13 more retailers have this diamond
Prices start from $5,315 AUDSave up to $5,964 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.

B+
1.70ct Cushion
$5,315 AUD