Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7551949212

Certificate GIA 7551949212

Diamond specifications and retailer prices

From £5,049 GBP
$6,765 USD
As of October 28, 2026
Save £4,062 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £9,111 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 7551949212. Listed at 15 retailers as of October 28, 2026, with prices from £5,049 to £9,111, a £4,062 spread on the same certified stone. MOH London lists it at £9,111. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551949212
Dimensions8.72 × 6.02 × 4.16 mm
L/W Ratio1.45
Culet sizeNone
Top View
8.72 mm6.02 mm1.71 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551949212
Side View
Table 65.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £9,111 GBP|Low: £5,049 GBP|High: £9,221 GBP|Avg: £6,398 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
November 2, 2026
Retailer 9£5,049 GBP
Retailer 12£5,119 GBP
Retailer 10£5,459 GBP
Retailer 4£5,467 GBP
Retailer 11£5,512 GBP
Retailer 2£6,093 GBP
Retailer 8£6,191 GBP
Retailer 3£6,268 GBP
Retailer 5£6,290 GBP
Retailer 7£7,143 GBP
Retailer 6£8,032 GBP
MOH London£9,111 GBP

39 data points across 12 retailers

15 retailers£5,049 GBP to £9,111 GBP

B
Cheapest Retailer
-
£5,049 GBP
$6,765 USD
B
Retailer 2
-
£5,119 GBP
$6,859 USD
View
B
Retailer 3
-
£5,126 GBP
$6,868 USD
View
B
Retailer 4
-
£5,459 GBP
$7,315 USD
View
B
Retailer 5
-
£5,467 GBP
$7,325 USD
View
B
Retailer 6
-
£5,512 GBP
$7,386 USD
View
B
Retailer 7
-
£5,824 GBP
$7,803 USD
View
B
Retailer 8
-
£6,093 GBP
View
Retailer 9
-
£6,191 GBP
A$12,763 AUD
View
Price last confirmed 11 days ago
B
Retailer 10
-
£6,268 GBP
$8,399 USD
View
B
Retailer 11
-
£6,290 GBP
View
B
Retailer 12
-
£7,143 GBP
€9,115 EUR
View
Retailer 13
-
£7,200 GBP
$9,647 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
£8,032 GBP
ZAR 173,852 ZAR
View
Most Expensive
B
MOH London
01E87B78A · Nov 1
£9,111 GBP
View
14 more retailers have this diamond
Prices start from £5,049 GBPSave up to £4,062 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
£5,049 GBP