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Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1558832149

Certificate GIA 1558832149

Diamond specifications and retailer prices

From HK$49,201 HKD
SGD 8,474 SGD
As of November 1, 2026
Save HK$31,575 HKD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$80,776 HKD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H 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 1558832149. Listed at 12 retailers as of November 1, 2026, with prices from HK$49,201 to HK$80,776, a HK$31,575 spread on the same certified stone. Helzberg Diamonds lists it at HK$80,776. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.29°
Pavilion angle40.19°
OriginNatural
Grading LabGIA
CertificateGIA 1558832149
Dimensions11.14 × 5.89 × 3.80 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.14 mm5.89 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558832149
Side View
Table 60.0%Crown 39.29°Girdle: STK-VTKPavilion 40.19°Culet: NoneDepth 64.4%

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 1
Current: HK$80,776 HKD|Low: HK$49,201 HKD|High: HK$84,369 HKD|Avg: HK$61,058 HKD|-4.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 9HK$49,201 HKD
Retailer 5HK$49,219 HKD
Retailer 10HK$51,222 HKD
Retailer 11HK$52,069 HKD
Retailer 8HK$52,781 HKD
Retailer 2HK$53,661 HKD
Retailer 4HK$61,545 HKD
Retailer 12HK$61,976 HKD
Retailer 3HK$62,481 HKD
Retailer 6HK$62,694 HKD
Retailer 7HK$69,752 HKD
Helzberg DiamondsHK$80,776 HKD

32 data points across 12 retailers

12 retailersHK$49,201 HKD to HK$80,776 HKD

A
Cheapest Retailer
-
HK$49,201 HKD
SGD 8,474 SGD
A
Retailer 2
-
HK$49,219 HKD
$6,273 USD
View
A
Retailer 3
-
HK$51,222 HKD
SGD 8,822 SGD
View
A
Retailer 4
-
HK$52,069 HKD
$6,636 USD
View
A
Retailer 5
-
HK$52,781 HKD
$6,727 USD
View
A
Retailer 6
-
HK$53,661 HKD
£5,385 GBP
View
B+
Retailer 7
-
HK$61,545 HKD
$7,844 USD
View
B+
Retailer 8
-
HK$61,976 HKD
$7,899 USD
View
Retailer 9
-
HK$62,481 HKD
$7,963 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
HK$62,694 HKD
€7,610 EUR
View
B+
Retailer 11
-
HK$69,752 HKD
$8,890 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLOOJIHKP · Nov 2
HK$80,776 HKD
$10,295 USD
View
11 more retailers have this diamond
Prices start from HK$49,201 HKDSave up to HK$31,575 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$49,201 HKD