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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 $16,647 SGD
CA$18,078 CAD
As of November 2, 2026
Save $4,851 SGD (23%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $21,498 SGD 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 $16,647 to $21,498, a $4,851 spread on the same certified stone. Yorxs lists it at $21,498. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $20,523 SGD|Low: $11,549 SGD|High: $21,498 SGD|Avg: $18,179 SGD|-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$11,549 SGD
Retailer 13$14,007 SGD
Retailer 3$14,845 SGD
Retailer 4$15,642 SGD
Retailer 6$16,647 SGD
Retailer 2$17,925 SGD
Retailer 10$19,438 SGD
Retailer 9$20,219 SGD
Retailer 11$20,219 SGD
Retailer 1$20,523 SGD
Retailer 7$20,644 SGD
Retailer 12$20,897 SGD
Retailer 8$21,298 SGD
Yorxs$21,498 SGD

21 data points across 14 retailers

10 retailers$16,647 SGD to $21,498 SGD

B
Cheapest Retailer
-
$16,647 SGD
CA$18,078 CAD
B
Retailer 2
-
$19,438 SGD
$15,199 USD
View
B
Retailer 3
-
$20,219 SGD
$15,810 USD
View
B
Retailer 4
-
$20,219 SGD
$15,810 USD
View
B
Retailer 5
-
$20,523 SGD
£12,636 GBP
View
B
Retailer 6
-
$20,644 SGD
$16,142 USD
View
B
Retailer 7
-
$20,897 SGD
$16,340 USD
View
B
Retailer 8
-
$21,298 SGD
$16,654 USD
View
Retailer 9
-
$21,298 SGD
$16,654 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Yorxs
621132763 · Nov 2
$21,498 SGD
€16,009 EUR
View
9 more retailers have this diamond
Prices start from $16,647 SGDSave up to $4,851 SGD

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
$16,647 SGD