CaratHunter
Plans
Marquise|Natural|GIA

1.71ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6555880241

Certificate GIA 6555880241

Diamond specifications and retailer prices

From $12,019 AUD
As of November 2, 2026
Save $9,172 AUD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $21,191 AUD 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 $12,019 to $21,191, a $9,172 spread on the same certified stone. NZ Jewellers lists it at $21,191. 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 2
Current: $21,191 AUD|Low: $11,457 AUD|High: $21,191 AUD|Avg: $15,287 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 7$12,019 AUD
Retailer 5$12,714 AUD
Retailer 10$12,715 AUD
Retailer 8$13,774 AUD
Retailer 6$13,986 AUD
Retailer 2$14,044 AUD
Retailer 9$15,893 AUD
Retailer 3$16,016 AUD
Retailer 4$19,858 AUD
NZ Jewellers$21,191 AUD

44 data points across 10 retailers

9 retailers$12,019 AUD to $21,191 AUD

B+
Cheapest Retailer
-
$12,019 AUD
B
Retailer 2
-
$12,714 AUD
$8,910 USD
View
Final sale: no returns
B
Retailer 3
-
$13,774 AUD
$9,653 USD
View
B
Retailer 4
-
$13,986 AUD
$9,802 USD
View
B
Retailer 5
-
$14,044 AUD
£7,750 GBP
View
B
Retailer 6
-
$15,893 AUD
$11,138 USD
View
B
Retailer 7
-
$16,016 AUD
€10,690 EUR
View
B
Retailer 8
-
$19,858 AUD
£10,958 GBP
View
Most Expensive
C
NZ Jewellers
2712c5ec-8763-4646-9547-fcb405505616 · Oct 30
$21,191 AUD
$14,851 USD
View
8 more retailers have this diamond
Prices start from $12,019 AUDSave up to $9,172 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
$12,019 AUD