Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 1385434769

Certificate GIA 1385434769

Diamond specifications and retailer prices

From £2,694 GBP
$3,609 USD
As of November 1, 2026
Save £2,796 GBP (51%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £5,490 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 1385434769. Listed at 28 retailers as of November 1, 2026, with prices from £2,694 to £5,490, a £2,796 spread on the same certified stone. MOH London lists it at £5,490. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.07°
Pavilion angle56.59°
OriginNatural
Grading LabGIA
CertificateGIA 1385434769
Dimensions7.20 × 6.59 × 4.54 mm
L/W Ratio1.09
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Needle, Indented Natural, Natural
Top View
7.20 mm6.59 mm1.71 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1385434769
Side View
Table 64.0%Crown 38.07°Girdle: STK-VTKPavilion 56.59°Culet: NoneDepth 68.8%

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 1
Current: £5,490 GBP|Low: £2,694 GBP|High: £5,691 GBP|Avg: £3,411 GBP|-3.5%
MOH London
Retailer 2
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Retailer 25
Retailer 26
November 2, 2026
Retailer 7£2,694 GBP
Retailer 12£2,712 GBP
Retailer 22£2,720 GBP
Retailer 6£2,748 GBP
Retailer 14£2,754 GBP
Retailer 11£2,882 GBP
Retailer 23£2,970 GBP
Retailer 17£3,098 GBP
Retailer 24£3,105 GBP
Retailer 9£3,110 GBP
Retailer 5£3,123 GBP
Retailer 3£3,173 GBP
Retailer 8£3,223 GBP
Retailer 16£3,314 GBP
Retailer 2£3,316 GBP
Retailer 15£3,371 GBP
Retailer 20£3,428 GBP
Retailer 10£3,462 GBP
Retailer 4£3,515 GBP
Retailer 25£3,515 GBP
Retailer 18£3,568 GBP
Retailer 26£3,635 GBP
Retailer 13£3,676 GBP
Retailer 21£4,237 GBP
Retailer 19£4,986 GBP
MOH London£5,490 GBP

32 data points across 26 retailers

28 retailers£2,694 GBP to £5,490 GBP

A
Cheapest Retailer
-
£2,694 GBP
$3,609 USD
A
Retailer 2
-
£2,712 GBP
$3,634 USD
View
A
Retailer 3
-
£2,720 GBP
$3,644 USD
View
A
Retailer 4
-
£2,748 GBP
$3,682 USD
View
A
Retailer 5
-
£2,754 GBP
$3,690 USD
View
A
Retailer 6
-
£2,853 GBP
A$5,882 AUD
View
A
Retailer 7
-
£2,882 GBP
$3,862 USD
View
Final sale: no returns
B+
Retailer 8
-
£2,970 GBP
$3,980 USD
View
Retailer 9
-
£3,098 GBP
$4,151 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£3,105 GBP
CA$5,778 CAD
View
B+
Retailer 11
-
£3,110 GBP
$4,167 USD
View
B+
Retailer 12
-
£3,123 GBP
$4,184 USD
View
B+
Retailer 13
-
£3,173 GBP
$4,252 USD
View
B+
Retailer 14
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£3,223 GBP
$4,319 USD
View
B+
Retailer 15
-
£3,314 GBP
$4,440 USD
View
B+
Retailer 16
-
£3,316 GBP
View
B+
Retailer 17
-
£3,371 GBP
$4,516 USD
View
B+
Retailer 18
-
£3,390 GBP
A$6,988 AUD
View
B+
Retailer 19
-
£3,428 GBP
View
B+
Retailer 20
-
£3,462 GBP
$4,639 USD
View
B+
Retailer 21
-
£3,515 GBP
$4,710 USD
View
B+
Retailer 22
-
£3,515 GBP
$4,710 USD
View
Retailer 23
-
£3,568 GBP
A$7,355 AUD
View
Price last confirmed 23 days ago
B+
Retailer 24
-
£3,635 GBP
$4,870 USD
View
B+
Retailer 25
-
£3,676 GBP
€4,691 EUR
View
B+
Retailer 26
-
£4,237 GBP
ZAR 91,715 ZAR
View
B
Retailer 27
-
£4,986 GBP
$6,681 USD
View
Most Expensive
B
MOH London
64A92DB7C · Nov 1
£5,490 GBP
View
27 more retailers have this diamond
Prices start from £2,694 GBPSave up to £2,796 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
£2,694 GBP