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Marquise|Natural|GIA

1.71ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2557313720

Certificate GIA 2557313720

Diamond specifications and retailer prices

From HK$98,414 HKD
$12,543 USD
As of November 1, 2026
Save HK$67,247 HKD (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$165,661 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557313720. Listed at 17 retailers as of November 1, 2026, with prices from HK$98,414 to HK$165,661, a HK$67,247 spread on the same certified stone. MOH London lists it at HK$165,661. 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

1.71
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.82°
Pavilion angle38.37°
OriginNatural
Grading LabGIA
CertificateGIA 2557313720
Dimensions11.66 × 6.16 × 3.86 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.66 mm6.16 mm1.71 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557313720
Side View
Table 58.0%Crown 39.82°Girdle: MED-THKPavilion 38.37°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$165,661 HKD|Low: HK$69,632 HKD|High: HK$167,434 HKD|Avg: HK$114,550 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 10HK$69,632 HKD
Retailer 12HK$88,822 HKD
Retailer 9HK$93,188 HKD
Retailer 15HK$96,712 HKD
Retailer 3HK$98,414 HKD
Retailer 20HK$101,646 HKD
Retailer 18HK$104,196 HKD
Retailer 22HK$106,958 HKD
Retailer 11HK$110,090 HKD
Retailer 6HK$113,242 HKD
Retailer 13HK$113,278 HKD
Retailer 19HK$113,960 HKD
Retailer 21HK$116,413 HKD
Retailer 4HK$116,672 HKD
Retailer 8HK$116,672 HKD
Retailer 14HK$117,446 HKD
Retailer 7HK$120,595 HKD
Retailer 5HK$124,337 HKD
Retailer 2HK$133,619 HKD
Retailer 17HK$148,073 HKD
Retailer 16HK$155,836 HKD
MOH LondonHK$165,661 HKD

22 data points across 22 retailers

17 retailersHK$98,414 HKD to HK$165,661 HKD

B+
Cheapest Retailer
-
HK$98,414 HKD
$12,543 USD
B
Retailer 2
-
HK$101,646 HKD
$12,955 USD
View
Final sale: no returns
B
Retailer 3
-
HK$104,196 HKD
$13,280 USD
View
B
Retailer 4
-
HK$106,958 HKD
$13,632 USD
View
B
Retailer 5
-
HK$113,242 HKD
$14,433 USD
View
B
Retailer 6
-
HK$113,278 HKD
£11,368 GBP
View
Retailer 7
-
HK$113,960 HKD
A$22,345 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$116,413 HKD
$14,837 USD
View
B
Retailer 9
-
HK$116,672 HKD
$14,870 USD
View
B
Retailer 10
-
HK$116,672 HKD
$14,870 USD
View
Retailer 11
-
HK$119,331 HKD
$15,209 USD
View
Price last confirmed 39 days ago
B
Retailer 12
-
HK$120,595 HKD
$15,370 USD
View
B
Retailer 13
-
HK$124,337 HKD
$15,847 USD
View
B
Retailer 14
-
HK$133,619 HKD
€16,219 EUR
View
B
Retailer 15
-
HK$148,073 HKD
£14,860 GBP
View
B
Retailer 16
-
HK$155,836 HKD
ZAR 320,865 ZAR
View
Most Expensive
B
MOH London
0C76255AB · Nov 2
HK$165,661 HKD
£16,625 GBP
View
16 more retailers have this diamond
Prices start from HK$98,414 HKDSave up to HK$67,247 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+
1.71ct Marquise
HK$98,414 HKD