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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 5543750984

Certificate GIA 5543750984

Diamond specifications and retailer prices

From HK$56,578 HKD
$7,211 USD
As of October 28, 2026
Save HK$69,430 HKD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$126,008 HKD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543750984. Listed at 15 retailers as of October 28, 2026, with prices from HK$56,578 to HK$126,008, a HK$69,430 spread on the same certified stone. NZ Jewellers lists it at HK$126,008. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38.2°
Pavilion angle40.48°
OriginNatural
Grading LabGIA
CertificateGIA 5543750984
Dimensions11.32 × 5.99 × 3.81 mm
L/W Ratio1.89
Top View
11.32 mm5.99 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5543750984
Side View
Table 58.0%Crown 38.2°Girdle: ThickPavilion 40.48°Culet: NoneDepth 63.6%

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: Oct 28
Current: HK$126,008 HKD|Low: HK$56,578 HKD|High: HK$126,008 HKD|Avg: HK$76,305 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 5HK$56,578 HKD
Retailer 4HK$61,681 HKD
Retailer 13HK$62,520 HKD
Retailer 15HK$65,554 HKD
Retailer 10HK$70,451 HKD
Retailer 8HK$70,536 HKD
Retailer 12HK$70,591 HKD
Retailer 16HK$70,999 HKD
Retailer 17HK$73,118 HKD
Retailer 7HK$75,401 HKD
Retailer 14HK$75,401 HKD
Retailer 3HK$77,097 HKD
Retailer 6HK$77,912 HKD
Retailer 9HK$78,474 HKD
Retailer 2HK$78,957 HKD
Retailer 11HK$104,996 HKD
NZ JewellersHK$126,008 HKD

20 data points across 17 retailers

15 retailersHK$56,578 HKD to HK$126,008 HKD

A
Cheapest Retailer
-
HK$56,578 HKD
$7,211 USD
A
Retailer 2
-
HK$61,681 HKD
$7,861 USD
View
A
Retailer 3
-
HK$62,520 HKD
CA$11,067 CAD
View
B+
Retailer 4
-
HK$65,554 HKD
$8,355 USD
View
B+
Retailer 5
-
HK$70,451 HKD
£7,070 GBP
View
B+
Retailer 6
-
HK$70,591 HKD
$8,997 USD
View
B+
Retailer 7
-
HK$70,999 HKD
$9,049 USD
View
B+
Retailer 8
-
HK$73,118 HKD
$9,319 USD
View
B+
Retailer 9
-
HK$75,401 HKD
$9,610 USD
View
B+
Retailer 10
-
HK$75,401 HKD
$9,610 USD
View
B+
Retailer 11
-
HK$77,097 HKD
$9,826 USD
View
B+
Retailer 12
-
HK$77,912 HKD
$9,930 USD
View
B+
Retailer 13
-
HK$78,957 HKD
€9,584 EUR
View
B
Retailer 14
-
HK$104,996 HKD
£10,537 GBP
View
Most Expensive
B
NZ Jewellers
c063fcbe-496c-47bf-aed7-fbff7226c26f · Oct 30
HK$126,008 HKD
$16,060 USD
View
14 more retailers have this diamond
Prices start from HK$56,578 HKDSave up to HK$69,430 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$56,578 HKD