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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 $12,372 AUD
$8,670 USD
As of November 2, 2026
Save $7,923 AUD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $20,295 AUD at NZ Jewellers · As of November 3, 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 November 2, 2026, with prices from $12,372 to $20,295, a $7,923 spread on the same certified stone. NZ Jewellers lists it at $20,295. 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: $20,295 AUD|Low: $12,372 AUD|High: $20,295 AUD|Avg: $15,798 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8$12,372 AUD
Retailer 2$13,310 AUD
Retailer 6$13,527 AUD
Retailer 3$14,396 AUD
Retailer 4$15,339 AUD
Retailer 7$17,359 AUD
Retailer 5$19,019 AUD
NZ Jewellers$20,295 AUD

26 data points across 8 retailers

7 retailers$12,372 AUD to $20,295 AUD

B+
Cheapest Retailer
-
$12,372 AUD
$8,670 USD
B
Retailer 2
-
$13,310 AUD
£7,345 GBP
View
B
Retailer 3
-
$13,527 AUD
$9,480 USD
View
B
Retailer 4
-
$14,396 AUD
£7,944 GBP
View
B
Retailer 5
-
$15,339 AUD
€10,238 EUR
View
B
Retailer 6
-
$19,019 AUD
£10,495 GBP
View
Most Expensive
B
NZ Jewellers
5ed663b2-6d47-4a88-848d-f3575f0aaef2 · Nov 3
$20,295 AUD
$14,223 USD
View
6 more retailers have this diamond
Prices start from $12,372 AUDSave up to $7,923 AUD

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
$12,372 AUD