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Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2556223740

Certificate GIA 2556223740

Diamond specifications and retailer prices

From HK$82,831 HKD
$10,557 USD
As of November 1, 2026
Save HK$65,962 HKD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$148,793 HKD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556223740. Listed at 12 retailers as of November 1, 2026, with prices from HK$82,831 to HK$148,793, a HK$65,962 spread on the same certified stone. NZ Jewellers lists it at HK$148,793. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556223740
Dimensions11.27 × 6.22 × 3.97 mm
L/W Ratio1.81
Top View
11.27 mm6.22 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556223740
Side View
Table 60.0%CrownGirdlePavilionCulet: NDepth 63.8%

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$100,586 HKD|Low: HK$81,835 HKD|High: HK$141,108 HKD|Avg: HK$105,039 HKD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6HK$82,831 HKD
Retailer 5HK$89,265 HKD
Retailer 7HK$90,018 HKD
Retailer 4HK$95,755 HKD
Retailer 8HK$98,202 HKD
Retailer 1HK$100,586 HKD
Retailer 9HK$111,595 HKD
Retailer 2HK$112,454 HKD
Retailer 3HK$139,424 HKD

41 data points across 9 retailers

12 retailersHK$82,831 HKD to HK$148,793 HKD

B+
Cheapest Retailer
-
HK$82,831 HKD
$10,557 USD
B+
Retailer 2
-
HK$89,265 HKD
$11,377 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$89,273 HKD
$11,378 USD
View
B+
Retailer 4
-
HK$90,018 HKD
$11,473 USD
View
B+
Retailer 5
-
HK$95,755 HKD
£9,610 GBP
View
B
Retailer 6
-
HK$96,711 HKD
$12,326 USD
View
B
Retailer 7
-
HK$98,202 HKD
$12,516 USD
View
B+
Retailer 8
-
HK$100,586 HKD
£10,094 GBP
View
B
Retailer 9
-
HK$111,595 HKD
$14,223 USD
View
B
Retailer 10
-
HK$112,454 HKD
€13,650 EUR
View
B
Retailer 11
-
HK$139,424 HKD
£13,992 GBP
View
Most Expensive
B
NZ Jewellers
f06bab0f-8ec7-407a-bdd4-1c9393d8ce34 · Nov 3
HK$148,793 HKD
$18,964 USD
View
11 more retailers have this diamond
Prices start from HK$82,831 HKDSave up to HK$65,962 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$82,831 HKD