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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5546300939

Certificate GIA 5546300939

Diamond specifications and retailer prices

From HK$24,025 HKD
$3,062 USD
As of November 2, 2026
Save HK$22,619 HKD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$46,644 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion 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 5546300939. Listed at 14 retailers as of November 1, 2026, with prices from HK$24,025 to HK$46,644, a HK$22,619 spread on the same certified stone. MOH London lists it at HK$46,644. 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 angle38.42°
Pavilion angle31.98°
OriginNatural
Grading LabGIA
CertificateGIA 5546300939
Dimensions6.35 × 6.22 × 4.34 mm
L/W Ratio1.02
Top View
6.35 mm6.22 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546300939
Side View
Table 61.0%Crown 38.42°Girdle: THK-VTKPavilion 31.98°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$46,644 HKD|Low: HK$24,025 HKD|High: HK$55,004 HKD|Avg: HK$32,408 HKD|-14.3%
MOH London
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 12HK$24,025 HKD
Retailer 3HK$24,100 HKD
Retailer 7HK$26,083 HKD
Retailer 4HK$26,802 HKD
Retailer 13HK$27,406 HKD
Retailer 9HK$27,720 HKD
Retailer 8HK$28,952 HKD
Retailer 11HK$28,952 HKD
Retailer 6HK$29,430 HKD
Retailer 10HK$29,894 HKD
Retailer 2HK$31,009 HKD
Retailer 5HK$40,661 HKD
MOH LondonHK$46,644 HKD

43 data points across 13 retailers

14 retailersHK$24,025 HKD to HK$46,644 HKD

A
Cheapest Retailer
-
HK$24,025 HKD
$3,062 USD
A
Retailer 2
-
HK$24,100 HKD
$3,072 USD
View
A
Retailer 3
-
HK$26,083 HKD
CA$4,617 CAD
View
A
Retailer 4
-
HK$26,802 HKD
$3,416 USD
View
A
Retailer 5
-
HK$27,406 HKD
$3,493 USD
View
A
Retailer 6
-
HK$27,720 HKD
$3,533 USD
View
A
Retailer 7
-
HK$28,952 HKD
$3,690 USD
View
A
Retailer 8
-
HK$28,952 HKD
$3,690 USD
View
A
Retailer 9
-
HK$29,430 HKD
£2,953 GBP
View
A
Retailer 10
-
HK$29,894 HKD
$3,810 USD
View
A
Retailer 11
-
HK$31,009 HKD
€3,764 EUR
View
A
Retailer 12
-
HK$33,194 HKD
CA$5,876 CAD
View
Retailer 13
-
HK$40,661 HKD
$5,182 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
CC9B938F1 · Nov 1
HK$46,644 HKD
£4,681 GBP
View
13 more retailers have this diamond
Prices start from HK$24,025 HKDSave up to HK$22,619 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 Cushion
HK$24,025 HKD