Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231935866

Certificate GIA 5231935866

Diamond specifications and retailer prices

From $10,692 NZD
$6,016 USD
As of November 2, 2026
Save $9,338 NZD (47%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $20,030 NZD at MOH London · As of November 2, 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 November 2, 2026, with prices from $10,692 to $20,030, a $9,338 spread on the same certified stone. MOH London lists it at $20,030. 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: Nov 2
Current: $20,030 NZD|Low: $11,476 NZD|High: $20,272 NZD|Avg: $14,671 NZD|-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$11,476 NZD
Retailer 8$12,020 NZD
Retailer 9$13,463 NZD
Retailer 4$13,557 NZD
Retailer 6$13,772 NZD
Retailer 2$13,828 NZD
Retailer 3$14,847 NZD
Retailer 10$15,834 NZD
Retailer 5$17,657 NZD
MOH London$20,030 NZD

36 data points across 10 retailers

26 retailers$10,692 NZD to $20,030 NZD

B+
Cheapest Retailer
-
$10,692 NZD
$6,016 USD
B
Retailer 2
-
$11,138 NZD
$6,267 USD
View
B
Retailer 3
-
$11,174 NZD
A$9,673 AUD
View
B
Retailer 4
-
$11,357 NZD
$6,390 USD
View
B
Retailer 5
-
$11,476 NZD
$6,457 USD
View
Final sale: no returns
B
Retailer 6
-
$11,521 NZD
$6,482 USD
View
B
Retailer 7
-
$11,948 NZD
CA$9,337 CAD
View
B
Retailer 8
-
$12,020 NZD
$6,763 USD
View
B
Retailer 9
-
$12,041 NZD
$6,775 USD
View
B
Retailer 10
-
$12,230 NZD
$6,881 USD
View
B
Retailer 11
-
$12,798 NZD
$7,201 USD
View
B
Retailer 12
-
$13,275 NZD
$7,469 USD
View
B
Retailer 13
-
$13,463 NZD
$7,575 USD
View
B
Retailer 14
-
$13,557 NZD
£6,006 GBP
View
B
Retailer 15
-
$13,749 NZD
$7,736 USD
View
Retailer 16
-
$13,772 NZD
A$11,921 AUD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$13,828 NZD
£6,126 GBP
View
B
Retailer 18
-
$14,396 NZD
$8,100 USD
View
B
Retailer 19
-
$14,396 NZD
$8,100 USD
View
B
Retailer 20
-
$14,498 NZD
$8,158 USD
View
B
Retailer 21
-
$14,847 NZD
€7,956 EUR
View
B
Retailer 22
-
$14,876 NZD
$8,370 USD
View
Retailer 23
-
$15,834 NZD
$8,909 USD
View
Price last confirmed 10 days ago
B
Retailer 24
-
$15,836 NZD
$8,910 USD
View
B
Retailer 25
-
$17,657 NZD
ZAR 160,493 ZAR
View
Most Expensive
B
MOH London
2220C05F2 · Nov 2
$20,030 NZD
£8,874 GBP
View
25 more retailers have this diamond
Prices start from $10,692 NZDSave up to $9,338 NZD

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
$10,692 NZD