Marquise|Natural|GIA

1.50ct H SI1 Marquise Natural Diamond

GD • H/SI1 • GIA 1558770144

Certificate GIA 1558770144

Diamond specifications and retailer prices

From HK$74,067 HKD
$9,440 USD
As of November 2, 2026
10 retailers carry this diamond
Most expensive: HK$90,395 HKD at Helzberg Diamonds · As of October 20, 2026
View at Helzberg Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1558770144. Listed at 10 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.97°
Pavilion angle40.41°
OriginNatural
Grading LabGIA
CertificateGIA 1558770144
Dimensions10.54 × 5.80 × 3.93 mm
L/W Ratio1.82
Culet sizeNone
Top View
10.54 mm5.80 mm1.50 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558770144
Side View
Table 60.0%Crown 43.97°Girdle: THK-ETKPavilion 40.41°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: HK$90,395 HKD|Low: HK$57,997 HKD|High: HK$103,937 HKD|Avg: HK$72,637 HKD|-4.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 23, 2026
Retailer 5HK$57,997 HKD
Retailer 8HK$58,979 HKD
Retailer 9HK$61,297 HKD
Retailer 6HK$62,141 HKD
Retailer 4HK$63,020 HKD
Retailer 10HK$64,266 HKD
Retailer 12HK$71,827 HKD
Retailer 7HK$71,925 HKD
Retailer 13HK$72,467 HKD
Retailer 2HK$73,388 HKD
Retailer 3HK$73,569 HKD
Helzberg DiamondsHK$90,395 HKD
Retailer 11HK$99,826 HKD

30 data points across 13 retailers

10 retailers

Retailer 1
-
HK$57,997 HKD
SGD 9,989 SGD
Price last confirmed 21 days ago
Retailer 2
-
HK$58,979 HKD
$7,517 USD
View
Price last confirmed 12 days ago
Retailer 3
-
HK$61,297 HKD
$7,812 USD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$62,141 HKD
$7,920 USD
View
Price last confirmed 10 days ago
Retailer 5
-
HK$64,266 HKD
£6,449 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
HK$71,925 HKD
$9,167 USD
View
Price last confirmed 12 days ago
Retailer 7
-
HK$72,467 HKD
$9,236 USD
View
Price last confirmed 13 days ago
Retailer 8
-
HK$73,569 HKD
$9,376 USD
View
Price last confirmed 14 days ago
B
Retailer 9
-
HK$74,067 HKD
$9,440 USD
View
Most Expensive
Helzberg Diamonds
XZRHLLONNGHKK · Oct 20
HK$90,395 HKD
$11,521 USD
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from HK$74,067 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
1.50ct Marquise
HK$74,067 HKD