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Marquise|Natural|GIA

1.70ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5556656638

Certificate GIA 5556656638

Diamond specifications and retailer prices

From $12,175 NZD
As of November 6, 2026
7 retailers carry this diamond
Most expensive: $17,037 NZD at Wholesale Diamonds Direct · As of October 16, 2026
View at Wholesale Diamonds Direct

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556656638. Listed at 7 retailers as of November 6, 2026. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle38.16°
Pavilion angle40.85°
OriginNatural
Grading LabGIA
CertificateGIA 5556656638
Dimensions12.18 × 6.00 × 3.87 mm
L/W Ratio2.03
Culet sizeNone
Top View
12.18 mm6.00 mm1.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5556656638
Side View
Table 57.0%Crown 38.16°Girdle: MED-VTKPavilion 40.85°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,704 NZD|Low: $9,328 NZD|High: $17,718 NZD|Avg: $12,162 NZD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 19, 2026
Retailer 8$9,328 NZD
Retailer 3$9,712 NZD
Retailer 4$9,873 NZD
Retailer 6$10,100 NZD
Retailer 10$10,284 NZD
Retailer 1$10,704 NZD
Retailer 7$11,814 NZD
Retailer 5$11,861 NZD
Retailer 2$12,339 NZD
Retailer 9$13,497 NZD
Wholesale Diamonds Direct$17,037 NZD

28 data points across 11 retailers

7 retailers

Retailer 1
-
$9,328 NZD
Price last confirmed 21 days ago
Retailer 2
-
$9,873 NZD
View
Price last confirmed 20 days ago
Retailer 3
-
$10,100 NZD
View
Price last confirmed 21 days ago
Retailer 4
-
$10,284 NZD
View
Price last confirmed 19 days ago
Retailer 5
-
$10,704 NZD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$12,175 NZD
View
Most Expensive
Wholesale Diamonds Direct
530706854 · Oct 16
$17,037 NZD
$9,444 USD
View
Price last confirmed 21 days ago
6 more retailers have this diamond
Prices start from $12,175 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
$12,175 NZD