Marquise|Natural|GIA

1.70ct F SI1 Marquise Natural Diamond

EX • F/SI1

Diamond specifications and retailer prices

From $36,843 NZD
$20,730 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $36,843 NZD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of October 27, 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
Dimensions11.66 × 5.99 × 3.87 mm
L/W Ratio1.95
Top View
11.66 mm5.99 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 27
Current: $36,843 NZD|Low: $21,522 NZD|High: $38,091 NZD|Avg: $29,002 NZD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 3$21,522 NZD
Retailer 2$24,548 NZD
Retailer 4$29,740 NZD
NZ Jewellers$36,843 NZD

6 data points across 4 retailers

4 retailers

Retailer 1
-
$21,522 NZD
$12,109 USD
Price last confirmed 7 days ago
Retailer 2
-
$24,548 NZD
$13,812 USD
View
Price last confirmed 7 days ago
C
Retailer 3
-
$36,843 NZD
$20,730 USD
View
Most Expensive
NZ Jewellers
de9054bc-7d18-49d9-abd1-3fa5f1bcc9ad · Oct 6
$36,843 NZD
$20,730 USD
View
Price last confirmed 27 days ago
3 more retailers have this diamond
Prices start from $36,843 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.

C
1.70ct Marquise
$36,843 NZD