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Cushion|Natural|GIA

1.60ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6455423351

Certificate GIA 6455423351

Diamond specifications and retailer prices

From $7,199 AUD
$5,057 USD
As of November 1, 2026
Save $2,311 AUD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,510 AUD at Jared · As of November 2, 2026
View at Jared

About this 1.6ct natural cushion diamond

This 1.6ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6455423351. Listed at 8 retailers as of November 1, 2026, with prices from $7,199 to $9,510, a $2,311 spread on the same certified stone. Jared lists it at $9,510. 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

1.60
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6455423351
Dimensions7.28 × 6.31 × 4.34 mm
L/W Ratio1.15
Top View
7.28 mm6.31 mm1.60 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6455423351
Side View
Table 62.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 68.7%

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: $9,510 AUD|Low: $6,603 AUD|High: $9,559 AUD|Avg: $8,830 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$7,545 AUD
Retailer 5$8,623 AUD
Retailer 2$9,398 AUD
Retailer 3$9,497 AUD
Jared$9,510 AUD

40 data points across 5 retailers

8 retailers$7,199 AUD to $9,510 AUD

B+
Cheapest Retailer
-
$7,199 AUD
$5,057 USD
B
Retailer 2
-
$7,545 AUD
$5,300 USD
View
Final sale: no returns
B
Retailer 3
-
$8,623 AUD
$6,057 USD
View
B
Retailer 4
-
$9,211 AUD
$6,470 USD
View
B
Retailer 5
-
$9,211 AUD
$6,470 USD
View
B
Retailer 6
-
$9,398 AUD
€6,287 EUR
View
B
Retailer 7
-
$9,497 AUD
£5,253 GBP
View
Most Expensive
B
Jared
147269819 · Nov 2
$9,510 AUD
$6,680 USD
View
7 more retailers have this diamond
Prices start from $7,199 AUDSave up to $2,311 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+
1.60ct Cushion
$7,199 AUD