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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 HK$85,946 HKD
$10,954 USD
As of November 1, 2026
Save HK$68,442 HKD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$154,388 HKD 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 HK$85,946 to HK$154,388, a HK$68,442 spread on the same certified stone. NZ Jewellers lists it at HK$154,388. 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: HK$103,632 HKD|Low: HK$85,946 HKD|High: HK$146,409 HKD|Avg: HK$108,750 HKD|-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 9HK$85,946 HKD
Retailer 10HK$91,250 HKD
Retailer 2HK$92,631 HKD
Retailer 4HK$100,226 HKD
Retailer 7HK$100,797 HKD
Retailer 8HK$101,897 HKD
Retailer 1HK$103,632 HKD
Retailer 3HK$116,681 HKD
Retailer 6HK$136,086 HKD
Retailer 5HK$144,665 HKD

38 data points across 10 retailers

13 retailersHK$85,946 HKD to HK$154,388 HKD

B+
Cheapest Retailer
-
HK$85,946 HKD
$10,954 USD
B+
Retailer 2
-
HK$91,250 HKD
$11,630 USD
View
B+
Retailer 3
-
HK$92,631 HKD
$11,806 USD
View
B+
Retailer 4
-
HK$100,226 HKD
£10,058 GBP
View
B
Retailer 5
-
HK$100,352 HKD
$12,790 USD
View
Retailer 6
-
HK$100,797 HKD
A$19,764 AUD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
HK$101,897 HKD
$12,987 USD
View
B+
Retailer 8
-
HK$103,632 HKD
£10,400 GBP
View
B
Retailer 9
-
HK$115,785 HKD
$14,757 USD
View
B
Retailer 10
-
HK$116,681 HKD
€14,163 EUR
View
B
Retailer 11
-
HK$136,086 HKD
ZAR 280,200 ZAR
View
B
Retailer 12
-
HK$144,665 HKD
£14,518 GBP
View
Most Expensive
B
NZ Jewellers
a02cec0a-cb7b-4da6-b633-baf9211396cb · Oct 30
HK$154,388 HKD
$19,677 USD
View
12 more retailers have this diamond
Prices start from HK$85,946 HKDSave up to HK$68,442 HKD

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
HK$85,946 HKD