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Marquise|Natural|GIA

1.71ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 6552689794

Certificate GIA 6552689794

Diamond specifications and retailer prices

From £6,461 GBP
$8,670 USD
As of November 2, 2026
Save £4,138 GBP (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £10,599 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552689794. Listed at 7 retailers as of October 30, 2026, with prices from £6,461 to £10,599, a £4,138 spread on the same certified stone. NZ Jewellers lists it at £10,599. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552689794
Dimensions11.90 × 6.11 × 3.88 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Top View
11.90 mm6.11 mm1.71 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552689794
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £10,599 GBP|Low: £6,461 GBP|High: £10,599 GBP|Avg: £8,247 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£6,461 GBP
Retailer 4£6,893 GBP
Retailer 6£7,064 GBP
Retailer 2£7,518 GBP
Retailer 3£8,011 GBP
Retailer 7£9,065 GBP
Retailer 5£9,932 GBP
NZ Jewellers£10,599 GBP

26 data points across 8 retailers

7 retailers£6,461 GBP to £10,599 GBP

B+
Cheapest Retailer
-
£6,461 GBP
$8,670 USD
B
Retailer 2
-
£6,893 GBP
View
B
Retailer 3
-
£7,064 GBP
$9,480 USD
View
B
Retailer 4
-
£7,518 GBP
View
B
Retailer 5
-
£8,011 GBP
€10,238 EUR
View
B
Retailer 6
-
£9,932 GBP
View
Most Expensive
B
NZ Jewellers
5ed663b2-6d47-4a88-848d-f3575f0aaef2 · Oct 30
£10,599 GBP
$14,223 USD
View
6 more retailers have this diamond
Prices start from £6,461 GBPSave up to £4,138 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 Marquise
£6,461 GBP