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Marquise|Natural|GIA

1.51ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 6552045873

Certificate GIA 6552045873

Diamond specifications and retailer prices

From HK$47,642 HKD
$6,072 USD
As of November 2, 2026
Save HK$42,785 HKD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$90,426 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552045873. Listed at 9 retailers as of November 2, 2026, with prices from HK$47,642 to HK$90,426, a HK$42,785 spread on the same certified stone. NZ Jewellers lists it at HK$90,426. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle42.9°
Pavilion angle39.32°
OriginNatural
Grading LabGIA
CertificateGIA 6552045873
Dimensions10.50 × 5.90 × 3.98 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.50 mm5.90 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552045873
Side View
Table 56.0%Crown 42.9°Girdle: ThickPavilion 39.32°Culet: NoneDepth 67.5%

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 2
Current: HK$90,426 HKD|Low: HK$42,604 HKD|High: HK$90,426 HKD|Avg: HK$54,578 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 9HK$42,604 HKD
Retailer 11HK$47,336 HKD
Retailer 8HK$47,642 HKD
Retailer 7HK$50,097 HKD
Retailer 5HK$52,019 HKD
Retailer 10HK$53,275 HKD
Retailer 6HK$54,067 HKD
Retailer 4HK$54,899 HKD
Retailer 3HK$56,806 HKD
Retailer 2HK$79,657 HKD
NZ JewellersHK$90,426 HKD

11 data points across 11 retailers

9 retailersHK$47,642 HKD to HK$90,426 HKD

Retailer 1
-
HK$42,604 HKD
$5,430 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
HK$47,642 HKD
$6,072 USD
View
B+
Retailer 3
-
HK$50,097 HKD
$6,385 USD
View
B+
Retailer 4
-
HK$52,019 HKD
£5,220 GBP
View
Retailer 5
-
HK$53,275 HKD
$6,790 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
HK$54,067 HKD
$6,891 USD
View
B
Retailer 7
-
HK$54,899 HKD
$6,997 USD
View
B
Retailer 8
-
HK$79,657 HKD
£7,994 GBP
View
Most Expensive
B
NZ Jewellers
37d9c89d-5e48-48e2-b3f5-98a7a371307d · Nov 3
HK$90,426 HKD
$11,525 USD
View
8 more retailers have this diamond
Prices start from HK$47,642 HKDSave up to HK$42,785 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$47,642 HKD