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Cushion|Natural|GIA

1.71ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1565219893

Certificate GIA 1565219893

Diamond specifications and retailer prices

From £1,567 GBP
HK$16,400 HKD
As of November 1, 2026
Save £2,087 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,654 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 1565219893. Listed at 6 retailers as of October 29, 2026, with prices from £1,567 to £3,654, a £2,087 spread on the same certified stone. MOH London lists it at £3,654. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565219893
Dimensions6.79 × 6.77 × 4.65 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud
Top View
6.79 mm6.77 mm1.71 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565219893
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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: £3,654 GBP|Low: £1,567 GBP|High: £3,832 GBP|Avg: £2,498 GBP|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£1,567 GBP
Retailer 3£2,046 GBP
Retailer 6£2,230 GBP
Retailer 5£2,425 GBP
Retailer 7£2,768 GBP
Retailer 2£2,984 GBP
MOH London£3,654 GBP

18 data points across 7 retailers

6 retailers£1,567 GBP to £3,654 GBP

A
Cheapest Retailer
-
£1,567 GBP
HK$16,400 HKD
A
Retailer 2
-
£2,046 GBP
View
A
Retailer 3
-
£2,230 GBP
SGD 4,037 SGD
View
A
Retailer 4
-
£2,425 GBP
$3,249 USD
View
B+
Retailer 5
-
£2,984 GBP
$3,998 USD
View
Most Expensive
B+
MOH London
5166E9C17 · Oct 29
£3,654 GBP
View
5 more retailers have this diamond
Prices start from £1,567 GBPSave up to £2,087 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
£1,567 GBP