Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231935866

Certificate GIA 5231935866

Diamond specifications and retailer prices

From $6,016 USD
As of October 31, 2026
Save $5,254 USD (47%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,270 USD 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 $6,016 to $11,270, a $5,254 spread on the same certified stone. MOH London lists it at $11,270. 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
Color
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: $11,270 USD|Low: $6,457 USD|High: $11,406 USD|Avg: $8,254 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$6,457 USD
Retailer 8$6,763 USD
Retailer 9$7,575 USD
Retailer 3$7,628 USD
Retailer 6$7,749 USD
Retailer 2$7,781 USD
Retailer 5$8,328 USD
Retailer 10$8,909 USD
Retailer 4$9,935 USD
MOH London$11,270 USD

37 data points across 10 retailers

26 retailers$6,016 USD to $11,270 USD

B+
Cheapest Retailer
-
$6,016 USD
B
Retailer 2
-
$6,267 USD
View
B
Retailer 3
-
$6,287 USD
A$9,673 AUD
View
B
Retailer 4
-
$6,390 USD
View
B
Retailer 5
-
$6,457 USD
View
Final sale: no returns
B
Retailer 6
-
$6,482 USD
View
B
Retailer 7
-
$6,722 USD
CA$9,337 CAD
View
B
Retailer 8
-
$6,763 USD
View
B
Retailer 9
-
$6,775 USD
View
B
Retailer 10
-
$6,881 USD
View
B
Retailer 11
-
$7,201 USD
View
B
Retailer 12
-
$7,469 USD
View
B
Retailer 13
-
$7,575 USD
View
B
Retailer 14
-
$7,628 USD
£6,006 GBP
View
B
Retailer 15
-
$7,736 USD
View
Retailer 16
-
$7,749 USD
A$11,921 AUD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$7,781 USD
£6,127 GBP
View
B
Retailer 18
-
$8,100 USD
View
B
Retailer 19
-
$8,100 USD
View
B
Retailer 20
-
$8,158 USD
View
B
Retailer 21
-
$8,328 USD
€7,931 EUR
View
B
Retailer 22
-
$8,370 USD
View
Retailer 23
-
$8,909 USD
View
Price last confirmed 9 days ago
B
Retailer 24
-
$8,910 USD
View
B
Retailer 25
-
$9,935 USD
ZAR 160,493 ZAR
View
Most Expensive
B
MOH London
2220C05F2 · Nov 1
$11,270 USD
£8,874 GBP
View
25 more retailers have this diamond
Prices start from $6,016 USDSave up to $5,254 USD

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
$6,016 USD