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Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231935866

Certificate GIA 5231935866

Diamond specifications and retailer prices

From $8,564 AUD
$6,016 USD
As of October 31, 2026
Save $7,480 AUD (47%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $16,044 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.71ct natural cushion diamond

This 1.71ct 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 5231935866. Listed at 26 retailers as of October 31, 2026, with prices from $8,564 to $16,044, a $7,480 spread on the same certified stone. MOH London lists it at $16,044. 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

1.71
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.76°
OriginNatural
Grading LabGIA
CertificateGIA 5231935866
Dimensions8.01 × 6.26 × 4.34 mm
L/W Ratio1.28
Top View
8.01 mm6.26 mm1.71 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231935866
Side View
Table 60.0%CrownGirdle: THN-THKPavilion 36.76°Culet: NoneDepth 69.3%

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 31
Current: $16,044 AUD|Low: $9,192 AUD|High: $16,237 AUD|Avg: $11,752 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$9,192 AUD
Retailer 8$9,628 AUD
Retailer 9$10,784 AUD
Retailer 4$10,859 AUD
Retailer 6$11,031 AUD
Retailer 2$11,076 AUD
Retailer 3$11,892 AUD
Retailer 10$12,683 AUD
Retailer 5$14,143 AUD
MOH London$16,044 AUD

36 data points across 10 retailers

26 retailers$8,564 AUD to $16,044 AUD

B+
Cheapest Retailer
-
$8,564 AUD
$6,016 USD
B
Retailer 2
-
$8,922 AUD
$6,267 USD
View
B
Retailer 3
-
$8,950 AUD
View
B
Retailer 4
-
$9,097 AUD
$6,390 USD
View
B
Retailer 5
-
$9,192 AUD
$6,457 USD
View
Final sale: no returns
B
Retailer 6
-
$9,228 AUD
$6,482 USD
View
B
Retailer 7
-
$9,570 AUD
CA$9,337 CAD
View
B
Retailer 8
-
$9,628 AUD
$6,763 USD
View
B
Retailer 9
-
$9,645 AUD
$6,775 USD
View
B
Retailer 10
-
$9,796 AUD
$6,881 USD
View
B
Retailer 11
-
$10,251 AUD
$7,201 USD
View
B
Retailer 12
-
$10,633 AUD
$7,469 USD
View
B
Retailer 13
-
$10,784 AUD
$7,575 USD
View
B
Retailer 14
-
$10,859 AUD
£6,006 GBP
View
B
Retailer 15
-
$11,013 AUD
$7,736 USD
View
Retailer 16
-
$11,031 AUD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$11,076 AUD
£6,126 GBP
View
B
Retailer 18
-
$11,531 AUD
$8,100 USD
View
B
Retailer 19
-
$11,531 AUD
$8,100 USD
View
B
Retailer 20
-
$11,613 AUD
$8,158 USD
View
B
Retailer 21
-
$11,892 AUD
€7,956 EUR
View
B
Retailer 22
-
$11,916 AUD
$8,370 USD
View
Retailer 23
-
$12,683 AUD
$8,909 USD
View
Price last confirmed 10 days ago
B
Retailer 24
-
$12,684 AUD
$8,910 USD
View
B
Retailer 25
-
$14,143 AUD
ZAR 160,493 ZAR
View
Most Expensive
B
MOH London
2220C05F2 · Nov 1
$16,044 AUD
£8,874 GBP
View
25 more retailers have this diamond
Prices start from $8,564 AUDSave up to $7,480 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+
1.71ct Cushion
$8,564 AUD