Marquise|Natural|HRD

1.71ct J SI2 Marquise Natural Diamond

ID • J/SI2 • HRD 250000315128

Certificate HRD 250000315128

Diamond specifications and retailer prices

From $6,404 AUD
$4,488 USD
As of November 1, 2026
Save $5,876 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,280 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 HRD 250000315128. Listed at 8 retailers as of November 1, 2026, with prices from $6,404 to $12,280, a $5,876 spread on the same certified stone. NZ Jewellers lists it at $12,280. 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
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 250000315128
Dimensions12.14 × 6.09 × 3.82 mm
L/W Ratio1.99
Top View
12.14 mm6.09 mm1.71 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateHRD 250000315128
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.7%

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: $8,308 AUD|Low: $6,404 AUD|High: $11,835 AUD|Avg: $8,425 AUD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$6,404 AUD
Retailer 4$7,343 AUD
Retailer 5$7,343 AUD
Retailer 1$8,308 AUD
Retailer 6$8,472 AUD
Retailer 2$11,694 AUD

24 data points across 6 retailers

8 retailers$6,404 AUD to $12,280 AUD

B+
Cheapest Retailer
-
$6,404 AUD
$4,488 USD
B+
Retailer 2
-
$7,343 AUD
$5,146 USD
View
B+
Retailer 3
-
$7,343 AUD
$5,146 USD
View
B+
Retailer 4
-
$7,343 AUD
$5,146 USD
View
B+
Retailer 5
-
$8,308 AUD
€5,545 EUR
View
B+
Retailer 6
-
$8,472 AUD
$5,937 USD
View
B
Retailer 7
-
$11,694 AUD
£6,453 GBP
View
Most Expensive
B
NZ Jewellers
77ca10bd-d530-4abf-9ea4-7b3b7da788c3 · Nov 3
$12,280 AUD
$8,606 USD
View
7 more retailers have this diamond
Prices start from $6,404 AUDSave up to $5,876 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
$6,404 AUD