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Cushion|Natural|GIA

1.71ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6541501819

Certificate GIA 6541501819

Diamond specifications and retailer prices

From £6,818 GBP
$9,149 USD
As of November 2, 2026
Save £4,728 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,546 GBP at MOH London · As of November 2, 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 H 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 6541501819. Listed at 14 retailers as of November 2, 2026, with prices from £6,818 to £11,546, a £4,728 spread on the same certified stone. MOH London lists it at £11,546. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6541501819
Dimensions8.32 × 5.94 × 4.03 mm
L/W Ratio1.40
Top View
8.32 mm5.94 mm1.71 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6541501819
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £11,546 GBP|Low: £6,818 GBP|High: £11,685 GBP|Avg: £8,524 GBP|-1.1%
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 4£6,818 GBP
Retailer 9£6,859 GBP
Retailer 10£7,314 GBP
Retailer 12£7,393 GBP
Retailer 11£7,455 GBP
Retailer 6£8,097 GBP
Retailer 8£8,139 GBP
Retailer 2£8,330 GBP
Retailer 3£8,477 GBP
Retailer 5£9,312 GBP
Retailer 7£10,861 GBP
MOH London£11,546 GBP

39 data points across 12 retailers

14 retailers£6,818 GBP to £11,546 GBP

B
Cheapest Retailer
-
£6,818 GBP
$9,149 USD
B
Retailer 2
-
£6,859 GBP
$9,205 USD
View
B
Retailer 3
-
£7,314 GBP
$9,815 USD
View
B
Retailer 4
-
£7,393 GBP
$9,921 USD
View
B
Retailer 5
-
£7,455 GBP
$10,004 USD
View
B
Retailer 6
-
£8,097 GBP
View
Retailer 7
-
£8,139 GBP
A$16,804 AUD
View
Price last confirmed 10 days ago
B
Retailer 8
-
£8,330 GBP
View
B
Retailer 9
-
£8,477 GBP
$11,375 USD
View
B
Retailer 10
-
£8,814 GBP
$11,828 USD
View
B
Retailer 11
-
£9,312 GBP
€11,901 EUR
View
Retailer 12
-
£9,728 GBP
$13,054 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£10,861 GBP
ZAR 235,462 ZAR
View
Most Expensive
B
MOH London
5BB07FF9B · Nov 2
£11,546 GBP
View
13 more retailers have this diamond
Prices start from £6,818 GBPSave up to £4,728 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
£6,818 GBP