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Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6233844365

Certificate GIA 6233844365

Diamond specifications and retailer prices

From £4,291 GBP
$5,750 USD
As of October 31, 2026
Save £3,738 GBP (47%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £8,029 GBP 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 6233844365. Listed at 23 retailers as of October 31, 2026, with prices from £4,291 to £8,029, a £3,738 spread on the same certified stone. MOH London lists it at £8,029. 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
FluorescenceFaint
Pavilion angle35.38°
OriginNatural
Grading LabGIA
CertificateGIA 6233844365
Dimensions7.94 × 6.10 × 4.26 mm
L/W Ratio1.30
Top View
7.94 mm6.10 mm1.71 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6233844365
Side View
Table 64.0%CrownGirdle: THK-VTKPavilion 35.38°Culet: NoneDepth 69.9%

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: £8,029 GBP|Low: £4,178 GBP|High: £8,126 GBP|Avg: £5,566 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14£4,291 GBP
Retailer 5£4,615 GBP
Retailer 11£4,818 GBP
Retailer 12£4,818 GBP
Retailer 10£4,902 GBP
Retailer 4£5,231 GBP
Retailer 3£5,301 GBP
Retailer 13£5,321 GBP
Retailer 2£5,432 GBP
Retailer 9£5,555 GBP
Retailer 8£6,296 GBP
Retailer 6£6,348 GBP
Retailer 7£7,079 GBP
MOH London£8,029 GBP

34 data points across 14 retailers

23 retailers£4,291 GBP to £8,029 GBP

B+
Cheapest Retailer
-
£4,291 GBP
$5,750 USD
B
Retailer 2
-
£4,462 GBP
$5,979 USD
View
B
Retailer 3
-
£4,476 GBP
A$9,226 AUD
View
B
Retailer 4
-
£4,553 GBP
$6,100 USD
View
B
Retailer 5
-
£4,615 GBP
$6,183 USD
View
Retailer 6
-
£4,721 GBP
$6,326 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£4,818 GBP
$6,455 USD
View
Final sale: no returns
B
Retailer 8
-
£4,818 GBP
$6,456 USD
View
B
Retailer 9
-
£4,832 GBP
$6,475 USD
View
B
Retailer 10
-
£4,902 GBP
$6,568 USD
View
B
Retailer 11
-
£5,132 GBP
$6,876 USD
View
B
Retailer 12
-
£5,231 GBP
CA$9,736 CAD
View
B
Retailer 13
-
£5,301 GBP
A$10,928 AUD
View
B
Retailer 14
-
£5,321 GBP
$7,129 USD
View
B
Retailer 15
-
£5,432 GBP
View
Retailer 16
-
£5,555 GBP
A$11,450 AUD
View
Price last confirmed 11 days ago
B
Retailer 17
-
£5,702 GBP
$7,640 USD
View
B
Retailer 18
-
£5,702 GBP
$7,640 USD
View
B
Retailer 19
-
£5,889 GBP
$7,890 USD
View
B
Retailer 20
-
£6,296 GBP
€8,034 EUR
View
Retailer 21
-
£6,348 GBP
$8,505 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
£7,079 GBP
ZAR 153,223 ZAR
View
Most Expensive
B
MOH London
CA0C44042 · Nov 1
£8,029 GBP
View
22 more retailers have this diamond
Prices start from £4,291 GBPSave up to £3,738 GBP

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
£4,291 GBP