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Marquise|Natural|GIA

1.71ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6552304084

Certificate GIA 6552304084

Diamond specifications and retailer prices

From $18,573 AUD
CA$18,078 CAD
As of November 2, 2026
Save $5,412 AUD (23%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $23,985 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552304084. Listed at 10 retailers as of November 2, 2026, with prices from $18,573 to $23,985, a $5,412 spread on the same certified stone. Yorxs lists it at $23,985. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.51°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552304084
Dimensions11.51 × 6.16 × 3.97 mm
L/W Ratio1.87
Culet sizeNone
Top View
11.51 mm6.16 mm1.71 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552304084
Side View
Table 57.0%Crown 39.51°Girdle: MED-VTKPavilion 39.8°Culet: NoneDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $22,898 AUD|Low: $12,885 AUD|High: $23,985 AUD|Avg: $20,283 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
November 2, 2026
Retailer 5$12,885 AUD
Retailer 13$15,628 AUD
Retailer 3$16,563 AUD
Retailer 4$17,452 AUD
Retailer 6$18,573 AUD
Retailer 2$20,000 AUD
Retailer 10$21,687 AUD
Retailer 9$22,559 AUD
Retailer 11$22,559 AUD
Retailer 1$22,898 AUD
Retailer 7$23,033 AUD
Retailer 12$23,316 AUD
Retailer 8$23,763 AUD
Yorxs$23,985 AUD

21 data points across 14 retailers

10 retailers$18,573 AUD to $23,985 AUD

B
Cheapest Retailer
-
$18,573 AUD
CA$18,078 CAD
B
Retailer 2
-
$21,687 AUD
$15,199 USD
View
B
Retailer 3
-
$22,559 AUD
$15,810 USD
View
B
Retailer 4
-
$22,559 AUD
$15,810 USD
View
B
Retailer 5
-
$22,898 AUD
£12,636 GBP
View
B
Retailer 6
-
$23,033 AUD
$16,142 USD
View
B
Retailer 7
-
$23,316 AUD
$16,340 USD
View
B
Retailer 8
-
$23,763 AUD
$16,654 USD
View
Retailer 9
-
$23,763 AUD
$16,654 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Yorxs
621132763 · Nov 2
$23,985 AUD
€16,009 EUR
View
9 more retailers have this diamond
Prices start from $18,573 AUDSave up to $5,412 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
$18,573 AUD