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Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231653414

Certificate GIA 5231653414

Diamond specifications and retailer prices

From £2,625 GBP
$3,517 USD
As of November 2, 2026
Save £2,653 GBP (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,278 GBP at MOH London · As of October 29, 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 5231653414. Listed at 15 retailers as of October 29, 2026, with prices from £2,625 to £5,278, a £2,653 spread on the same certified stone. MOH London lists it at £5,278. 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 angle37.94°
OriginNatural
Grading LabGIA
CertificateGIA 5231653414
Dimensions6.95 × 6.73 × 4.61 mm
L/W Ratio1.03
Top View
6.95 mm6.73 mm1.71 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231653414
Side View
Table 60.0%CrownGirdle: STK-VTKPavilion 37.94°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £5,278 GBP|Low: £2,187 GBP|High: £5,313 GBP|Avg: £3,357 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5£2,625 GBP
Retailer 10£2,674 GBP
Retailer 11£2,811 GBP
Retailer 3£3,020 GBP
Retailer 7£3,059 GBP
Retailer 9£3,124 GBP
Retailer 6£3,212 GBP
Retailer 4£3,242 GBP
Retailer 2£3,378 GBP
Retailer 8£4,582 GBP
MOH London£5,278 GBP

37 data points across 11 retailers

15 retailers£2,625 GBP to £5,278 GBP

A
Cheapest Retailer
-
£2,625 GBP
$3,517 USD
Final sale: no returns
A
Retailer 2
-
£2,674 GBP
$3,584 USD
View
A
Retailer 3
-
£2,729 GBP
CA$5,079 CAD
View
A
Retailer 4
-
£2,811 GBP
$3,767 USD
View
B+
Retailer 5
-
£3,020 GBP
$4,047 USD
View
B+
Retailer 6
-
£3,059 GBP
$4,099 USD
View
B+
Retailer 7
-
£3,124 GBP
$4,186 USD
View
B+
Retailer 8
-
£3,212 GBP
CA$5,977 CAD
View
B+
Retailer 9
-
£3,239 GBP
$4,340 USD
View
B+
Retailer 10
-
£3,239 GBP
$4,340 USD
View
B+
Retailer 11
-
£3,242 GBP
View
B+
Retailer 12
-
£3,351 GBP
$4,490 USD
View
B+
Retailer 13
-
£3,378 GBP
€4,311 EUR
View
B
Retailer 14
-
£4,582 GBP
$6,140 USD
View
Most Expensive
B
MOH London
1E5112C43 · Oct 29
£5,278 GBP
View
14 more retailers have this diamond
Prices start from £2,625 GBPSave up to £2,653 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.

A
1.71ct Cushion
£2,625 GBP