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Marquise|Natural|GIA

1.51ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 5546282913

Certificate GIA 5546282913

Diamond specifications and retailer prices

From HK$37,651 HKD
As of November 6, 2026
Save HK$32,415 HKD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$70,066 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546282913. Listed at 8 retailers as of November 3, 2026, with prices from HK$37,651 to HK$70,066, a HK$32,415 spread on the same certified stone. NZ Jewellers lists it at HK$70,066. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.51°
Pavilion angle39.18°
OriginNatural
Grading LabGIA
CertificateGIA 5546282913
Dimensions13.01 × 5.36 × 3.51 mm
L/W Ratio2.43
Top View
13.01 mm5.36 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546282913
Side View
Table 64.0%Crown 43.51°GirdlePavilion 39.18°CuletDepth 65.5%

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 6
Current: HK$70,066 HKD|Low: HK$37,651 HKD|High: HK$73,013 HKD|Avg: HK$48,753 HKD|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5HK$37,651 HKD
Retailer 4HK$39,265 HKD
Retailer 6HK$40,833 HKD
Retailer 2HK$40,856 HKD
Retailer 7HK$41,891 HKD
Retailer 8HK$41,891 HKD
Retailer 9HK$49,046 HKD
Retailer 10HK$50,653 HKD
Retailer 3HK$66,728 HKD
NZ JewellersHK$70,066 HKD

30 data points across 10 retailers

8 retailersHK$37,651 HKD to HK$70,066 HKD

A
Cheapest Retailer
-
HK$37,651 HKD
B+
Retailer 2
-
HK$39,265 HKD
View
B+
Retailer 3
-
HK$40,833 HKD
View
B+
Retailer 4
-
HK$40,856 HKD
View
B+
Retailer 5
-
HK$41,891 HKD
View
B+
Retailer 6
-
HK$41,891 HKD
View
B
Retailer 7
-
HK$66,728 HKD
View
Most Expensive
B
NZ Jewellers
74969bda-97c9-4678-ad62-e5392926a5e0 · Nov 3
HK$70,066 HKD
$8,940 USD
View
7 more retailers have this diamond
Prices start from HK$37,651 HKDSave up to HK$32,415 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$37,651 HKD