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Cushion|Natural|GIA

1.70ct J I1 Cushion Natural Diamond

VG • J/I1 • GIA 6391576750

Certificate GIA 6391576750

Diamond specifications and retailer prices

From $4,940 AUD
$3,470 USD
As of October 28, 2026
Save $2,210 AUD (31%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,150 AUD at Yorxs · As of October 31, 2026
View at Yorxs

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 I1 clarity (included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6391576750. Listed at 8 retailers as of October 28, 2026, with prices from $4,940 to $7,150, a $2,210 spread on the same certified stone. Yorxs lists it at $7,150. 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
I1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6391576750
Dimensions6.80 × 6.40 × 4.61 mm
L/W Ratio1.06
Top View
6.80 mm6.40 mm1.70 ctJ / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6391576750
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 72.1%

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: Oct 28
Current: $5,723 AUD|Low: $4,940 AUD|High: $7,518 AUD|Avg: $6,060 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 2$4,940 AUD
Retailer 8$5,037 AUD
Retailer 3$5,089 AUD
Retailer 5$5,618 AUD
Retailer 1$5,723 AUD
Retailer 7$6,449 AUD
Retailer 9$6,449 AUD
Retailer 6$6,662 AUD
Yorxs$7,150 AUD
Retailer 4$7,518 AUD

20 data points across 10 retailers

8 retailers$4,940 AUD to $7,150 AUD

B+
Cheapest Retailer
-
$4,940 AUD
$3,470 USD
B+
Retailer 2
-
$5,037 AUD
$3,538 USD
View
B+
Retailer 3
-
$5,618 AUD
$3,947 USD
View
B
Retailer 4
-
$5,723 AUD
$4,020 USD
View
B
Retailer 5
-
$6,449 AUD
$4,530 USD
View
B
Retailer 6
-
$6,449 AUD
$4,530 USD
View
B
Retailer 7
-
$6,662 AUD
$4,680 USD
View
Most Expensive
C
Yorxs
71FBB2244 · Oct 31
$7,150 AUD
€4,783 EUR
View
7 more retailers have this diamond
Prices start from $4,940 AUDSave up to $2,210 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
$4,940 AUD