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Cushion|Natural|GIA

1.63ct J SI2 Cushion Natural Diamond

GD • J/SI2 • GIA 6231423862

Certificate GIA 6231423862

Diamond specifications and retailer prices

From $10,616 AUD
$7,440 USD
As of October 31, 2026
Save $1,113 AUD (9%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,729 AUD at Jared · As of November 2, 2026
View at Jared

About this 1.63ct natural cushion diamond

This 1.63ct 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 6231423862. Listed at 5 retailers as of October 31, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.63
Carat
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6231423862
Dimensions6.36 × 6.24 × 4.74 mm
L/W Ratio1.02
Top View
6.36 mm6.24 mm1.63 ctJ / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6231423862
Side View
Table 67.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 75.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,729 AUD|Low: $10,616 AUD|High: $11,729 AUD|Avg: $11,347 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$10,616 AUD
Retailer 4$11,358 AUD
Retailer 5$11,358 AUD
Retailer 2$11,700 AUD
Jared$11,729 AUD

19 data points across 5 retailers

5 retailers$10,616 AUD to $11,729 AUD

B
Cheapest Retailer
-
$10,616 AUD
$7,440 USD
C
Retailer 2
-
$11,358 AUD
$7,960 USD
View
C
Retailer 3
-
$11,358 AUD
$7,960 USD
View
C
Retailer 4
-
$11,700 AUD
€7,809 EUR
View
Most Expensive
C
Jared
100677946 · Nov 2
$11,729 AUD
$8,220 USD
View
4 more retailers have this diamond
Prices start from $10,616 AUDSave up to $1,113 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
1.63ct Cushion
$10,616 AUD