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Marquise|Natural|GIA

1.71ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6555880241

Certificate GIA 6555880241

Diamond specifications and retailer prices

From £6,286 GBP
A$12,959 AUD
As of November 1, 2026
Save £4,797 GBP (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £11,084 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 6555880241. Listed at 9 retailers as of October 30, 2026, with prices from £6,286 to £11,084, a £4,797 spread on the same certified stone. NZ Jewellers lists it at £11,084. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555880241
Dimensions11.46 × 6.19 × 4.07 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Top View
11.46 mm6.19 mm1.71 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555880241
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.8%

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 1
Current: £11,084 GBP|Low: £5,992 GBP|High: £11,084 GBP|Avg: £7,997 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£6,286 GBP
Retailer 5£6,650 GBP
Retailer 10£6,651 GBP
Retailer 8£7,204 GBP
Retailer 3£7,285 GBP
Retailer 6£7,316 GBP
Retailer 9£8,313 GBP
Retailer 2£8,377 GBP
Retailer 4£10,386 GBP
NZ Jewellers£11,084 GBP

43 data points across 10 retailers

9 retailers£6,286 GBP to £11,084 GBP

B+
Cheapest Retailer
-
£6,286 GBP
A$12,959 AUD
B
Retailer 2
-
£6,650 GBP
$8,910 USD
View
Final sale: no returns
B
Retailer 3
-
£7,204 GBP
$9,653 USD
View
B
Retailer 4
-
£7,285 GBP
View
B
Retailer 5
-
£7,316 GBP
$9,802 USD
View
B
Retailer 6
-
£8,313 GBP
$11,138 USD
View
B
Retailer 7
-
£8,377 GBP
€10,690 EUR
View
B
Retailer 8
-
£10,386 GBP
View
Most Expensive
C
NZ Jewellers
2712c5ec-8763-4646-9547-fcb405505616 · Oct 30
£11,084 GBP
$14,851 USD
View
8 more retailers have this diamond
Prices start from £6,286 GBPSave up to £4,797 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
£6,286 GBP