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Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 2554796017

Certificate GIA 2554796017

Diamond specifications and retailer prices

From $17,139 CAD
$12,265 USD
As of October 28, 2026
Save $4,474 CAD (21%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,614 CAD at Aurelinne · As of October 27, 2026
View at Aurelinne

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554796017. Listed at 13 retailers as of October 27, 2026, with prices from $17,139 to $21,614, a $4,474 spread on the same certified stone. Aurelinne lists it at $21,614. 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

1.70
Carat
F
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554796017
Dimensions11.74 × 5.99 × 3.71 mm
L/W Ratio1.96
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
11.74 mm5.99 mm1.70 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554796017
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.9%

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 28
Current: $21,614 CAD|Low: $12,950 CAD|High: $21,614 CAD|Avg: $16,934 CAD
Aurelinne
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 7$12,950 CAD
Retailer 8$13,092 CAD
Retailer 5$13,460 CAD
Retailer 6$14,202 CAD
Retailer 9$17,139 CAD
Retailer 11$17,774 CAD
Retailer 12$17,825 CAD
Retailer 4$18,103 CAD
Retailer 3$19,005 CAD
Retailer 16$19,005 CAD
Retailer 10$19,211 CAD
Retailer 2$19,371 CAD
Retailer 15$19,633 CAD
Retailer 13$20,493 CAD
Retailer 14$20,813 CAD
Aurelinne$21,614 CAD

11 data points across 16 retailers

13 retailers$17,139 CAD to $21,614 CAD

Retailer 1
-
$12,950 CAD
HK$72,400 HKD
Price last confirmed 61 days ago
B
Retailer 2
-
$17,139 CAD
$12,265 USD
View
B
Retailer 3
-
$17,774 CAD
$12,719 USD
View
B
Retailer 4
-
$17,825 CAD
$12,756 USD
View
B+
Retailer 5
-
$18,103 CAD
$12,955 USD
View
B
Retailer 6
-
$19,005 CAD
$13,600 USD
View
B
Retailer 7
-
$19,005 CAD
$13,600 USD
View
B
Retailer 8
-
$19,211 CAD
$13,748 USD
View
B
Retailer 9
-
$19,371 CAD
€13,202 EUR
View
B
Retailer 10
-
$19,633 CAD
$14,050 USD
View
B
Retailer 11
-
$20,493 CAD
$14,665 USD
View
B
Retailer 12
-
$20,813 CAD
$14,894 USD
View
Most Expensive
B
Aurelinne
0a6d86e3-0ddc-46ae-ba1c-2644c68f390d · Oct 27
$21,614 CAD
$15,467 USD
View
12 more retailers have this diamond
Prices start from $17,139 CADSave up to $4,474 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+
1.70ct Marquise
$17,139 CAD