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Marquise|Natural|GIA

1.70ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 7551808281

Certificate GIA 7551808281

Diamond specifications and retailer prices

From $15,307 CAD
$10,954 USD
As of November 1, 2026
Save $12,190 CAD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,497 CAD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $15,307 to $27,497, a $12,190 spread on the same certified stone. NZ Jewellers lists it at $27,497. 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
Color
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: $18,457 CAD|Low: $15,307 CAD|High: $26,076 CAD|Avg: $19,369 CAD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$15,307 CAD
Retailer 10$16,252 CAD
Retailer 2$16,498 CAD
Retailer 4$17,850 CAD
Retailer 7$17,952 CAD
Retailer 8$18,148 CAD
Retailer 1$18,457 CAD
Retailer 3$20,781 CAD
Retailer 6$24,237 CAD
Retailer 5$25,765 CAD

38 data points across 10 retailers

13 retailers$15,307 CAD to $27,497 CAD

B+
Cheapest Retailer
-
$15,307 CAD
$10,954 USD
B+
Retailer 2
-
$16,252 CAD
$11,630 USD
View
B+
Retailer 3
-
$16,498 CAD
$11,806 USD
View
B+
Retailer 4
-
$17,850 CAD
£10,058 GBP
View
B
Retailer 5
-
$17,873 CAD
$12,790 USD
View
Retailer 6
-
$17,952 CAD
A$19,764 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$18,148 CAD
$12,987 USD
View
B+
Retailer 8
-
$18,457 CAD
£10,400 GBP
View
B
Retailer 9
-
$20,621 CAD
$14,757 USD
View
B
Retailer 10
-
$20,781 CAD
€14,163 EUR
View
B
Retailer 11
-
$24,237 CAD
ZAR 280,200 ZAR
View
B
Retailer 12
-
$25,765 CAD
£14,518 GBP
View
Most Expensive
B
NZ Jewellers
a02cec0a-cb7b-4da6-b633-baf9211396cb · Oct 30
$27,497 CAD
$19,677 USD
View
12 more retailers have this diamond
Prices start from $15,307 CADSave up to $12,190 CAD

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
$15,307 CAD