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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1557914895

Certificate GIA 1557914895

Diamond specifications and retailer prices

From HK$65,905 HKD
As of November 5, 2026
Save HK$53,412 HKD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$119,317 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557914895. Listed at 14 retailers as of November 5, 2026, with prices from HK$65,905 to HK$119,317, a HK$53,412 spread on the same certified stone. NZ Jewellers lists it at HK$119,317. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 1557914895
Dimensions11.38 × 5.99 × 3.79 mm
L/W Ratio1.90
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
11.38 mm5.99 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557914895
Side View
Table 56.0%CrownGirdle: THK-VTKPavilion 40.11°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$119,317 HKD|Low: HK$61,194 HKD|High: HK$120,790 HKD|Avg: HK$82,439 HKD|-1.2%
NZ Jewellers
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
November 6, 2026
Retailer 4HK$61,194 HKD
Retailer 9HK$65,905 HKD
Retailer 5HK$67,692 HKD
Retailer 14HK$70,717 HKD
Retailer 10HK$70,999 HKD
Retailer 12HK$77,559 HKD
Retailer 6HK$78,492 HKD
Retailer 8HK$78,750 HKD
Retailer 3HK$86,447 HKD
Retailer 13HK$86,447 HKD
Retailer 2HK$87,834 HKD
Retailer 11HK$89,346 HKD
Retailer 7HK$111,503 HKD
NZ JewellersHK$119,317 HKD

31 data points across 14 retailers

14 retailersHK$65,905 HKD to HK$119,317 HKD

Retailer 1
-
HK$61,194 HKD
Price last confirmed 51 days ago
A
Retailer 2
-
HK$65,905 HKD
View
B+
Retailer 3
-
HK$68,859 HKD
View
B+
Retailer 4
-
HK$70,717 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$70,999 HKD
View
B+
Retailer 6
-
HK$77,559 HKD
View
B+
Retailer 7
-
HK$78,492 HKD
View
B+
Retailer 8
-
HK$78,750 HKD
View
B
Retailer 9
-
HK$86,447 HKD
View
B
Retailer 10
-
HK$86,447 HKD
View
B
Retailer 11
-
HK$87,834 HKD
View
B+
Retailer 12
-
HK$89,346 HKD
View
B
Retailer 13
-
HK$111,503 HKD
View
Most Expensive
B
NZ Jewellers
6332d3ed-82a0-4266-a848-855a4ef875d4 · Nov 5
HK$119,317 HKD
$15,224 USD
View
13 more retailers have this diamond
Prices start from HK$65,905 HKDSave up to HK$53,412 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.

A
1.51ct Marquise
HK$65,905 HKD