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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

GD • E/SI1 • GIA 6551449414

Certificate GIA 6551449414

Diamond specifications and retailer prices

From HK$23,191 HKD
As of November 6, 2026
Save HK$28,906 HKD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$52,097 HKD at MOH London · As of November 2, 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 E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551449414. Listed at 15 retailers as of November 2, 2026, with prices from HK$23,191 to HK$52,097, a HK$28,906 spread on the same certified stone. MOH London lists it at HK$52,097. 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

1.51
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551449414
Dimensions6.21 × 6.16 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.21 mm6.16 mm1.51 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551449414
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 70.9%

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 6
Current: HK$52,097 HKD|Low: HK$23,191 HKD|High: HK$53,868 HKD|Avg: HK$32,347 HKD|-3.3%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 2HK$23,191 HKD
Retailer 15HK$24,468 HKD
Retailer 12HK$26,287 HKD
Retailer 14HK$27,110 HKD
Retailer 4HK$27,744 HKD
Retailer 8HK$28,669 HKD
Retailer 5HK$29,398 HKD
Retailer 9HK$31,020 HKD
Retailer 6HK$31,491 HKD
Retailer 13HK$32,721 HKD
Retailer 10HK$32,831 HKD
Retailer 3HK$34,641 HKD
Retailer 7HK$36,914 HKD
Retailer 11HK$37,604 HKD
MOH LondonHK$52,097 HKD

20 data points across 15 retailers

15 retailersHK$23,191 HKD to HK$52,097 HKD

A
Cheapest Retailer
-
HK$23,191 HKD
A
Retailer 2
-
HK$24,468 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$26,287 HKD
View
A
Retailer 4
-
HK$27,110 HKD
View
A
Retailer 5
-
HK$27,744 HKD
View
A
Retailer 6
-
HK$28,669 HKD
View
A
Retailer 7
-
HK$29,398 HKD
View
A
Retailer 8
-
HK$31,020 HKD
View
Retailer 9
-
HK$31,491 HKD
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$32,721 HKD
View
A
Retailer 11
-
HK$32,831 HKD
View
A
Retailer 12
-
HK$34,641 HKD
View
Retailer 13
-
HK$35,221 HKD
View
Price last confirmed 33 days ago
A
Retailer 14
-
HK$37,604 HKD
View
Most Expensive
B+
MOH London
D9EF38E03 · Nov 2
HK$52,097 HKD
£5,234 GBP
View
14 more retailers have this diamond
Prices start from HK$23,191 HKDSave up to HK$28,906 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$23,191 HKD