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Marquise|Natural|GIA

1.71ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1568329804

Certificate GIA 1568329804

Diamond specifications and retailer prices

From $15,915 CAD
SGD 15,396 SGD
As of October 30, 2026
Save $12,608 CAD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $28,523 CAD at With Clarity · As of October 30, 2026
View at With Clarity

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 1568329804. Listed at 15 retailers as of October 30, 2026, with prices from $15,915 to $28,523, a $12,608 spread on the same certified stone. With Clarity lists it at $28,523. 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 angle36.62°
Pavilion angle38.51°
OriginNatural
Grading LabGIA
CertificateGIA 1568329804
Dimensions11.88 × 6.25 × 3.69 mm
L/W Ratio1.90
Culet sizeNone
Top View
11.88 mm6.25 mm1.71 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568329804
Side View
Table 60.0%Crown 36.62°Girdle: VTN-THKPavilion 38.51°Culet: NDepth 59.1%

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: Oct 30
Current: $17,337 CAD|Low: $15,915 CAD|High: $28,523 CAD|Avg: $19,696 CAD|-3.3%
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
Retailer 14
With Clarity
November 1, 2026
Retailer 14$15,915 CAD
Retailer 4$16,696 CAD
Retailer 10$16,861 CAD
Retailer 6$17,120 CAD
Retailer 11$17,229 CAD
Retailer 2$17,274 CAD
Retailer 1$17,337 CAD
Retailer 12$17,594 CAD
Retailer 5$19,724 CAD
Retailer 13$20,256 CAD
Retailer 8$20,269 CAD
Retailer 9$20,833 CAD
Retailer 7$23,460 CAD
Retailer 3$24,620 CAD
With Clarity$28,523 CAD

33 data points across 15 retailers

15 retailers$15,915 CAD to $28,523 CAD

B+
Cheapest Retailer
-
$15,915 CAD
SGD 15,396 SGD
B+
Retailer 2
-
$16,696 CAD
$11,952 USD
View
Retailer 3
-
$16,861 CAD
$12,070 USD
View
Price last confirmed 11 days ago
B
Retailer 4
-
$17,120 CAD
$12,256 USD
View
B+
Retailer 5
-
$17,229 CAD
SGD 16,667 SGD
View
B
Retailer 6
-
$17,274 CAD
$12,366 USD
View
B+
Retailer 7
-
$17,337 CAD
£9,773 GBP
View
B
Retailer 8
-
$17,594 CAD
$12,595 USD
View
B
Retailer 9
-
$19,724 CAD
$14,120 USD
View
B
Retailer 10
-
$20,256 CAD
$14,501 USD
View
B
Retailer 11
-
$20,269 CAD
€13,819 EUR
View
B
Retailer 12
-
$20,833 CAD
$14,914 USD
View
B
Retailer 13
-
$23,460 CAD
$16,794 USD
View
B
Retailer 14
-
$24,620 CAD
$17,625 USD
View
Most Expensive
B
With Clarity
1568329804 · Oct 30
$28,523 CAD
$20,419 USD
View
14 more retailers have this diamond
Prices start from $15,915 CADSave up to $12,608 CAD

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
$15,915 CAD