CaratHunter
Plans
Marquise|Natural|GIA

1.70ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 7551808281

Certificate GIA 7551808281

Diamond specifications and retailer prices

From $19,469 NZD
$10,954 USD
As of November 1, 2026
Save $15,503 NZD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $34,972 NZD at NZ Jewellers · As of November 3, 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 7551808281. Listed at 13 retailers as of November 1, 2026, with prices from $19,469 to $34,972, a $15,503 spread on the same certified stone. NZ Jewellers lists it at $34,972. 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
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7551808281
Dimensions11.03 × 6.13 × 4.00 mm
L/W Ratio1.80
Top View
11.03 mm6.13 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7551808281
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 65.2%

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: Nov 1
Current: $22,703 NZD|Low: $19,469 NZD|High: $33,165 NZD|Avg: $24,629 NZD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$19,469 NZD
Retailer 10$20,670 NZD
Retailer 2$20,983 NZD
Retailer 1$22,703 NZD
Retailer 7$22,832 NZD
Retailer 8$23,082 NZD
Retailer 3$23,475 NZD
Retailer 4$26,430 NZD
Retailer 6$30,826 NZD
Retailer 5$32,770 NZD

39 data points across 10 retailers

13 retailers$19,469 NZD to $34,972 NZD

B+
Cheapest Retailer
-
$19,469 NZD
$10,954 USD
B+
Retailer 2
-
$20,670 NZD
$11,630 USD
View
B+
Retailer 3
-
$20,983 NZD
$11,806 USD
View
B+
Retailer 4
-
$22,703 NZD
£10,058 GBP
View
B
Retailer 5
-
$22,732 NZD
$12,790 USD
View
Retailer 6
-
$22,832 NZD
A$19,764 AUD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$23,082 NZD
$12,987 USD
View
B+
Retailer 8
-
$23,475 NZD
£10,400 GBP
View
B
Retailer 9
-
$26,228 NZD
$14,757 USD
View
B
Retailer 10
-
$26,430 NZD
€14,163 EUR
View
B
Retailer 11
-
$30,826 NZD
ZAR 280,200 ZAR
View
B
Retailer 12
-
$32,770 NZD
£14,518 GBP
View
Most Expensive
B
NZ Jewellers
a02cec0a-cb7b-4da6-b633-baf9211396cb · Nov 3
$34,972 NZD
$19,677 USD
View
12 more retailers have this diamond
Prices start from $19,469 NZDSave up to $15,503 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
$19,469 NZD