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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 5556577202

Certificate GIA 5556577202

Diamond specifications and retailer prices

From HK$57,182 HKD
As of November 2, 2026
Save HK$44,328 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$101,510 HKD at NZ Jewellers · As of November 3, 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 5556577202. Listed at 6 retailers as of November 2, 2026, with prices from HK$57,182 to HK$101,510, a HK$44,328 spread on the same certified stone. NZ Jewellers lists it at HK$101,510. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle40.34°
Pavilion angle38.91°
OriginNatural
Grading LabGIA
CertificateGIA 5556577202
Dimensions10.69 × 6.01 × 3.76 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Knot, Feather, Crystal, Cavity
Top View
10.69 mm6.01 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5556577202
Side View
Table 63.0%Crown 40.34°Girdle: THK-VTKPavilion 38.91°Culet: NoneDepth 62.6%

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 2
Current: HK$101,510 HKD|Low: HK$54,392 HKD|High: HK$105,601 HKD|Avg: HK$71,796 HKD|-3.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2HK$57,182 HKD
Retailer 6HK$57,370 HKD
Retailer 5HK$60,693 HKD
Retailer 4HK$61,625 HKD
Retailer 3HK$84,581 HKD
NZ JewellersHK$101,510 HKD

28 data points across 6 retailers

6 retailersHK$57,182 HKD to HK$101,510 HKD

A
Cheapest Retailer
-
HK$57,182 HKD
A
Retailer 2
-
HK$57,370 HKD
View
A
Retailer 3
-
HK$60,693 HKD
View
A
Retailer 4
-
HK$61,625 HKD
View
B+
Retailer 5
-
HK$84,581 HKD
View
Most Expensive
B
NZ Jewellers
e3c68807-8ece-4c9c-87ec-c0e815e56356 · Nov 3
HK$101,510 HKD
$12,952 USD
View
5 more retailers have this diamond
Prices start from HK$57,182 HKDSave up to HK$44,328 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$57,182 HKD