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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 $15,686 SGD
$12,265 USD
As of October 28, 2026
Save $4,095 SGD (21%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,781 SGD 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 $15,686 to $19,781, a $4,095 spread on the same certified stone. Aurelinne lists it at $19,781. 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
Colour
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: $19,781 SGD|Low: $11,852 SGD|High: $19,781 SGD|Avg: $15,498 SGD
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$11,852 SGD
Retailer 8$11,982 SGD
Retailer 5$12,319 SGD
Retailer 6$12,998 SGD
Retailer 9$15,686 SGD
Retailer 11$16,266 SGD
Retailer 12$16,314 SGD
Retailer 4$16,568 SGD
Retailer 3$17,393 SGD
Retailer 16$17,393 SGD
Retailer 10$17,582 SGD
Retailer 2$17,728 SGD
Retailer 15$17,969 SGD
Retailer 13$18,755 SGD
Retailer 14$19,048 SGD
Aurelinne$19,781 SGD

11 data points across 16 retailers

13 retailers$15,686 SGD to $19,781 SGD

Retailer 1
-
$11,852 SGD
HK$72,400 HKD
Price last confirmed 61 days ago
B
Retailer 2
-
$15,686 SGD
$12,265 USD
View
B
Retailer 3
-
$16,266 SGD
$12,719 USD
View
B
Retailer 4
-
$16,314 SGD
$12,756 USD
View
B+
Retailer 5
-
$16,568 SGD
$12,955 USD
View
B
Retailer 6
-
$17,393 SGD
$13,600 USD
View
B
Retailer 7
-
$17,393 SGD
$13,600 USD
View
B
Retailer 8
-
$17,582 SGD
$13,748 USD
View
B
Retailer 9
-
$17,728 SGD
€13,202 EUR
View
B
Retailer 10
-
$17,969 SGD
$14,050 USD
View
B
Retailer 11
-
$18,755 SGD
$14,665 USD
View
B
Retailer 12
-
$19,048 SGD
$14,894 USD
View
Most Expensive
B
Aurelinne
0a6d86e3-0ddc-46ae-ba1c-2644c68f390d · Oct 27
$19,781 SGD
$15,467 USD
View
12 more retailers have this diamond
Prices start from $15,686 SGDSave up to $4,095 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+
1.70ct Marquise
$15,686 SGD