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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 2566006105

Certificate GIA 2566006105

Diamond specifications and retailer prices

From HK$14,241 HKD
As of November 6, 2026
Save HK$19,462 HKD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$33,703 HKD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566006105. Listed at 7 retailers as of November 4, 2026, with prices from HK$14,241 to HK$33,703, a HK$19,462 spread on the same certified stone. MOH London lists it at HK$33,703. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566006105
Dimensions7.52 × 5.93 × 4.11 mm
L/W Ratio1.27
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.52 mm5.93 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566006105
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 69.3%

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$33,703 HKD|Low: HK$14,045 HKD|High: HK$34,200 HKD|Avg: HK$21,122 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6HK$14,241 HKD
Retailer 7HK$17,814 HKD
Retailer 3HK$19,217 HKD
Retailer 5HK$19,735 HKD
Retailer 2HK$19,923 HKD
Retailer 4HK$24,625 HKD
MOH LondonHK$33,703 HKD

32 data points across 7 retailers

7 retailersHK$14,241 HKD to HK$33,703 HKD

A
Cheapest Retailer
-
HK$14,241 HKD
B+
Retailer 2
-
HK$17,814 HKD
View
A
Retailer 3
-
HK$19,217 HKD
View
B+
Retailer 4
-
HK$19,735 HKD
View
B+
Retailer 5
-
HK$19,923 HKD
View
B+
Retailer 6
-
HK$24,625 HKD
View
Most Expensive
B
MOH London
051E64C1E · Nov 4
HK$33,703 HKD
£3,386 GBP
View
6 more retailers have this diamond
Prices start from HK$14,241 HKDSave up to HK$19,462 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$14,241 HKD