Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1555639716

Certificate GIA 1555639716

Diamond specifications and retailer prices

From HK$106,393 HKD
$13,560 USD
As of October 29, 2026
Save HK$58,570 HKD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$164,963 HKD at MOH London · As of October 29, 2026
View at MOH London

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 1555639716. Listed at 7 retailers as of October 29, 2026, with prices from HK$106,393 to HK$164,963, a HK$58,570 spread on the same certified stone. MOH London lists it at HK$164,963. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555639716
Dimensions11.72 × 6.26 × 3.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Top View
11.72 mm6.26 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555639716
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.5%

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: Oct 29
Current: HK$164,963 HKD|Low: HK$106,393 HKD|High: HK$166,069 HKD|Avg: HK$131,543 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8HK$106,393 HKD
Retailer 2HK$111,848 HKD
Retailer 5HK$112,599 HKD
Retailer 3HK$119,072 HKD
Retailer 4HK$132,185 HKD
Retailer 6HK$148,841 HKD
Retailer 7HK$149,778 HKD
MOH LondonHK$164,963 HKD

38 data points across 8 retailers

7 retailersHK$106,393 HKD to HK$164,963 HKD

B+
Cheapest Retailer
-
HK$106,393 HKD
$13,560 USD
B+
Retailer 2
-
HK$111,848 HKD
£11,225 GBP
View
B
Retailer 3
-
HK$112,599 HKD
$14,351 USD
View
B
Retailer 4
-
HK$119,072 HKD
£11,950 GBP
View
B
Retailer 5
-
HK$132,185 HKD
€16,045 EUR
View
B
Retailer 6
-
HK$148,841 HKD
$18,970 USD
View
Most Expensive
B
MOH London
AD75CD469 · Oct 29
HK$164,963 HKD
£16,555 GBP
View
6 more retailers have this diamond
Prices start from HK$106,393 HKDSave up to HK$58,570 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$106,393 HKD