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Marquise|Natural|GIA

1.51ct M SI2 Marquise Natural Diamond

EX • M/SI2 • GIA 6522134054

Certificate GIA 6522134054

Diamond specifications and retailer prices

From HK$25,119 HKD
As of November 4, 2026
Save HK$31,365 HKD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$56,484 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522134054. Listed at 10 retailers as of November 4, 2026, with prices from HK$25,119 to HK$56,484, a HK$31,365 spread on the same certified stone. NZ Jewellers lists it at HK$56,484. 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
M
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.72°
Pavilion angle39.79°
OriginNatural
Grading LabGIA
CertificateGIA 6522134054
Dimensions11.57 × 6.12 × 3.74 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.57 mm6.12 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6522134054
Side View
Table 57.0%Crown 34.72°Girdle: THN-THKPavilion 39.79°Culet: NoneDepth 61.1%

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 4
Current: HK$56,484 HKD|Low: HK$21,200 HKD|High: HK$56,484 HKD|Avg: HK$31,795 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$21,200 HKD
Retailer 5HK$25,119 HKD
Retailer 8HK$25,142 HKD
Retailer 3HK$26,075 HKD
Retailer 7HK$29,375 HKD
Retailer 9HK$29,375 HKD
Retailer 6HK$30,503 HKD
Retailer 12HK$30,887 HKD
Retailer 10HK$33,889 HKD
Retailer 2HK$34,383 HKD
Retailer 11HK$38,576 HKD
NZ JewellersHK$56,484 HKD

20 data points across 12 retailers

10 retailersHK$25,119 HKD to HK$56,484 HKD

B+
Cheapest Retailer
-
HK$25,119 HKD
B+
Retailer 2
-
HK$25,142 HKD
View
B+
Retailer 3
-
HK$26,075 HKD
View
Retailer 4
-
HK$29,375 HKD
View
Price last confirmed 8 days ago
B
Retailer 5
-
HK$29,375 HKD
View
B
Retailer 6
-
HK$30,503 HKD
View
B
Retailer 7
-
HK$30,887 HKD
View
B
Retailer 8
-
HK$33,889 HKD
View
B
Retailer 9
-
HK$34,383 HKD
View
Most Expensive
C
NZ Jewellers
5b1ab9ef-ea8d-46d9-8710-81a354d94ae7 · Nov 5
HK$56,484 HKD
$7,207 USD
View
9 more retailers have this diamond
Prices start from HK$25,119 HKDSave up to HK$31,365 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$25,119 HKD