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Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6561292508

Certificate GIA 6561292508

Diamond specifications and retailer prices

From HK$50,200 HKD
SGD 8,646 SGD
As of November 1, 2026
Save HK$20,957 HKD (29%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$71,156 HKD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

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 6561292508. Listed at 13 retailers as of November 1, 2026, with prices from HK$50,200 to HK$71,156, a HK$20,957 spread on the same certified stone. Diamonds Direct lists it at HK$71,156. 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
FluorescenceNone
Crown angle39.98°
Pavilion angle39.28°
OriginNatural
Grading LabGIA
CertificateGIA 6561292508
Dimensions11.22 × 5.91 × 3.76 mm
L/W Ratio1.90
Culet sizeNone
Top View
11.22 mm5.91 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561292508
Side View
Table 59.0%Crown 39.98°Girdle: STK-THKPavilion 39.28°Culet: NoneDepth 63.7%

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$71,156 HKD|Low: HK$50,200 HKD|High: HK$74,820 HKD|Avg: HK$59,871 HKD|-4.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11HK$50,200 HKD
Retailer 7HK$51,211 HKD
Retailer 13HK$52,255 HKD
Retailer 10HK$52,451 HKD
Retailer 8HK$53,121 HKD
Retailer 9HK$53,848 HKD
Retailer 6HK$55,388 HKD
Retailer 12HK$56,100 HKD
Retailer 4HK$62,718 HKD
Retailer 3HK$63,177 HKD
Retailer 5HK$63,697 HKD
Retailer 2HK$63,946 HKD
Diamonds DirectHK$71,156 HKD

31 data points across 13 retailers

13 retailersHK$50,200 HKD to HK$71,156 HKD

A
Cheapest Retailer
-
HK$50,200 HKD
SGD 8,646 SGD
A
Retailer 2
-
HK$51,211 HKD
$6,527 USD
View
A
Retailer 3
-
HK$52,255 HKD
SGD 9,000 SGD
View
A
Retailer 4
-
HK$52,451 HKD
$6,685 USD
View
A
Retailer 5
-
HK$53,121 HKD
$6,770 USD
View
A
Retailer 6
-
HK$53,848 HKD
$6,863 USD
View
A
Retailer 7
-
HK$55,388 HKD
£5,558 GBP
View
B+
Retailer 8
-
HK$56,100 HKD
$7,150 USD
View
B+
Retailer 9
-
HK$62,718 HKD
$7,993 USD
View
B+
Retailer 10
-
HK$63,177 HKD
$8,052 USD
View
B+
Retailer 11
-
HK$63,697 HKD
$8,118 USD
View
B+
Retailer 12
-
HK$63,946 HKD
€7,762 EUR
View
Most Expensive
B
Diamonds Direct
1112251 · Nov 1
HK$71,156 HKD
$9,069 USD
View
12 more retailers have this diamond
Prices start from HK$50,200 HKDSave up to HK$20,957 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$50,200 HKD