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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 $13,016 USD
CA$18,078 CAD
As of October 30, 2026
Save $3,793 USD (23%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,809 USD 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 October 30, 2026, with prices from $13,016 to $16,809, a $3,793 spread on the same certified stone. Yorxs lists it at $16,809. 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $16,048 USD|Low: $9,030 USD|High: $16,809 USD|Avg: $14,215 USD|-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$9,030 USD
Retailer 13$10,953 USD
Retailer 3$11,608 USD
Retailer 4$12,231 USD
Retailer 6$13,016 USD
Retailer 2$14,016 USD
Retailer 10$15,199 USD
Retailer 9$15,810 USD
Retailer 11$15,810 USD
Retailer 1$16,048 USD
Retailer 7$16,142 USD
Retailer 12$16,340 USD
Retailer 8$16,654 USD
Yorxs$16,809 USD

21 data points across 14 retailers

10 retailers$13,016 USD to $16,809 USD

B
Cheapest Retailer
-
$13,016 USD
CA$18,078 CAD
B
Retailer 2
-
$15,199 USD
View
B
Retailer 3
-
$15,810 USD
View
B
Retailer 4
-
$15,810 USD
View
B
Retailer 5
-
$16,048 USD
£12,636 GBP
View
B
Retailer 6
-
$16,142 USD
View
B
Retailer 7
-
$16,340 USD
View
B
Retailer 8
-
$16,654 USD
View
Retailer 9
-
$16,654 USD
View
Price last confirmed 20 days ago
Most Expensive
B
Yorxs
621132763 · Nov 2
$16,809 USD
€16,009 EUR
View
9 more retailers have this diamond
Prices start from $13,016 USDSave up to $3,793 USD

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
$13,016 USD