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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 $21,799 NZD
$12,265 USD
As of October 28, 2026
Save $5,691 NZD (21%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,489 NZD 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 $21,799 to $27,489, a $5,691 spread on the same certified stone. Aurelinne lists it at $27,489. 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: $27,489 NZD|Low: $16,471 NZD|High: $27,489 NZD|Avg: $21,538 NZD
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$16,471 NZD
Retailer 8$16,652 NZD
Retailer 5$17,119 NZD
Retailer 6$18,063 NZD
Retailer 9$21,799 NZD
Retailer 11$22,605 NZD
Retailer 12$22,671 NZD
Retailer 4$23,025 NZD
Retailer 3$24,171 NZD
Retailer 16$24,171 NZD
Retailer 10$24,434 NZD
Retailer 2$24,637 NZD
Retailer 15$24,971 NZD
Retailer 13$26,064 NZD
Retailer 14$26,471 NZD
Aurelinne$27,489 NZD

11 data points across 16 retailers

13 retailers$21,799 NZD to $27,489 NZD

Retailer 1
-
$16,471 NZD
HK$72,400 HKD
Price last confirmed 62 days ago
B
Retailer 2
-
$21,799 NZD
$12,265 USD
View
B
Retailer 3
-
$22,605 NZD
$12,719 USD
View
B
Retailer 4
-
$22,671 NZD
$12,756 USD
View
B+
Retailer 5
-
$23,025 NZD
$12,955 USD
View
B
Retailer 6
-
$24,171 NZD
$13,600 USD
View
B
Retailer 7
-
$24,171 NZD
$13,600 USD
View
B
Retailer 8
-
$24,434 NZD
$13,748 USD
View
B
Retailer 9
-
$24,637 NZD
€13,202 EUR
View
B
Retailer 10
-
$24,971 NZD
$14,050 USD
View
B
Retailer 11
-
$26,064 NZD
$14,665 USD
View
B
Retailer 12
-
$26,471 NZD
$14,894 USD
View
Most Expensive
B
Aurelinne
0a6d86e3-0ddc-46ae-ba1c-2644c68f390d · Oct 27
$27,489 NZD
$15,467 USD
View
12 more retailers have this diamond
Prices start from $21,799 NZDSave up to $5,691 NZD

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
$21,799 NZD