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Marquise|Natural|GIA

1.51ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6541161911

Certificate GIA 6541161911

Diamond specifications and retailer prices

From HK$93,996 HKD
$11,980 USD
As of November 1, 2026
Save HK$25,814 HKD (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$119,810 HKD at Jared · As of November 2, 2026
View at Jared

About this 1.51ct natural marquise diamond

This 1.51ct 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 6541161911. Listed at 6 retailers as of November 1, 2026, with prices from HK$93,996 to HK$119,810, a HK$25,814 spread on the same certified stone. Jared lists it at HK$119,810. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.62°
Pavilion angle41.26°
OriginNatural
Grading LabGIA
CertificateGIA 6541161911
Dimensions11.26 × 5.97 × 3.79 mm
L/W Ratio1.89
Top View
11.26 mm5.97 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541161911
Side View
Table 65.0%Crown 37.62°Girdle: ThickPavilion 41.26°Culet: NoneDepth 63.5%

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: Nov 1
Current: HK$116,606 HKD|Low: HK$88,951 HKD|High: HK$117,367 HKD|Avg: HK$105,916 HKD|+1.8%
Retailer 1
Retailer 2
October 31, 2026
Retailer 2HK$97,849 HKD
Retailer 1HK$116,606 HKD

36 data points across 2 retailers

6 retailersHK$93,996 HKD to HK$119,810 HKD

B+
Cheapest Retailer
-
HK$93,996 HKD
$11,980 USD
B+
Retailer 2
-
HK$97,849 HKD
$12,471 USD
View
Final sale: no returns
B
Retailer 3
-
HK$115,965 HKD
$14,780 USD
View
B
Retailer 4
-
HK$115,965 HKD
$14,780 USD
View
B
Retailer 5
-
HK$116,606 HKD
£11,702 GBP
View
Most Expensive
B
Jared
157862417 · Nov 2
HK$119,810 HKD
$15,270 USD
View
5 more retailers have this diamond
Prices start from HK$93,996 HKDSave up to HK$25,814 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+
1.51ct Marquise
HK$93,996 HKD