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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 €10,158 EUR
SGD 15,396 SGD
As of November 1, 2026
Save €8,047 EUR (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €18,205 EUR at With Clarity · As of November 1, 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 November 1, 2026, with prices from €10,158 to €18,205, a €8,047 spread on the same certified stone. With Clarity lists it at €18,205. 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 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: Nov 1
Current: €10,712 EUR|Low: €10,158 EUR|High: €18,205 EUR|Avg: €12,569 EUR|-2.0%
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 2, 2026
Retailer 2€10,158 EUR
Retailer 5€10,656 EUR
Retailer 1€10,712 EUR
Retailer 11€10,761 EUR
Retailer 12€10,996 EUR
Retailer 3€11,025 EUR
Retailer 8€11,158 EUR
Retailer 13€11,229 EUR
Retailer 6€12,589 EUR
Retailer 14€12,929 EUR
Retailer 7€12,977 EUR
Retailer 10€13,297 EUR
Retailer 9€14,973 EUR
Retailer 4€15,714 EUR
With Clarity€18,205 EUR

34 data points across 15 retailers

15 retailers€10,158 EUR to €18,205 EUR

B+
Cheapest Retailer
-
€10,158 EUR
SGD 15,396 SGD
B+
Retailer 2
-
€10,656 EUR
$11,952 USD
View
B
Retailer 3
-
€10,712 EUR
$12,015 USD
View
B+
Retailer 4
-
€10,761 EUR
$12,070 USD
View
B+
Retailer 5
-
€10,996 EUR
SGD 16,667 SGD
View
B
Retailer 6
-
€11,025 EUR
$12,366 USD
View
B+
Retailer 7
-
€11,158 EUR
£9,854 GBP
View
B
Retailer 8
-
€11,229 EUR
$12,595 USD
View
B
Retailer 9
-
€12,589 EUR
$14,120 USD
View
B
Retailer 10
-
€12,929 EUR
$14,501 USD
View
B
Retailer 11
-
€12,977 EUR
View
B
Retailer 12
-
€13,297 EUR
$14,914 USD
View
B
Retailer 13
-
€14,973 EUR
$16,794 USD
View
B
Retailer 14
-
€15,714 EUR
$17,625 USD
View
Most Expensive
B
With Clarity
1568329804 · Nov 1
€18,205 EUR
$20,419 USD
View
14 more retailers have this diamond
Prices start from €10,158 EURSave up to €8,047 EUR

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
€10,158 EUR