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Cushion|Natural|GIA

1.17ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2141389121

Certificate GIA 2141389121

Diamond specifications and retailer prices

From $5,362 AUD
$3,758 USD
As of November 1, 2026
Save $2,907 AUD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,269 AUD at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 1.17ct natural cushion diamond

This 1.17ct natural cushion sits in the classic one-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 2141389121. Listed at 10 retailers as of October 31, 2026, with prices from $5,362 to $8,269, a $2,907 spread on the same certified stone. Cape Diamonds lists it at $8,269. 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

1.17
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2141389121
Dimensions6.31 × 5.75 × 4.67 mm
L/W Ratio1.10
Top View
6.31 mm5.75 mm1.17 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2141389121
Side View
Table 60.0%CrownGirdle: ThinPavilionCulet: NoneDepth 81.3%

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: Nov 1
Current: $8,269 AUD|Low: $5,362 AUD|High: $8,269 AUD|Avg: $6,743 AUD|+3.3%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$5,362 AUD
Retailer 5$5,486 AUD
Retailer 6$6,094 AUD
Retailer 2$6,562 AUD
Retailer 3$6,690 AUD
Retailer 7$6,782 AUD
Retailer 9$7,428 AUD
Retailer 4$7,613 AUD
Cape Diamonds$8,269 AUD

32 data points across 9 retailers

10 retailers$5,362 AUD to $8,269 AUD

B
Cheapest Retailer
-
$5,362 AUD
$3,758 USD
B
Retailer 2
-
$5,486 AUD
$3,845 USD
View
B
Retailer 3
-
$6,066 AUD
$4,251 USD
View
Retailer 4
-
$6,094 AUD
$4,271 USD
View
Price last confirmed 22 days ago
B
Retailer 5
-
$6,562 AUD
£3,621 GBP
View
B
Retailer 6
-
$6,690 AUD
£3,691 GBP
View
Retailer 7
-
$6,782 AUD
View
Price last confirmed 24 days ago
Retailer 8
-
$7,428 AUD
$5,206 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$7,613 AUD
€5,081 EUR
View
Most Expensive
B
Cape Diamonds
cert_2141389121 · Oct 31
$8,269 AUD
ZAR 93,622 ZAR
View
9 more retailers have this diamond
Prices start from $5,362 AUDSave up to $2,907 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
1.17ct Cushion
$5,362 AUD