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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 7548880540

Certificate GIA 7548880540

Diamond specifications and retailer prices

From HK$28,497 HKD
As of November 6, 2026
Save HK$25,521 HKD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$54,018 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 7548880540. Listed at 6 retailers as of November 4, 2026, with prices from HK$28,497 to HK$54,018, a HK$25,521 spread on the same certified stone. MOH London lists it at HK$54,018. 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
Pavilion angle35.59°
OriginNatural
Grading LabGIA
CertificateGIA 7548880540
Dimensions7.63 × 5.89 × 4.08 mm
L/W Ratio1.30
Key to symbols
Crystal, Cloud, Needle
Top View
7.63 mm5.89 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548880540
Side View
Table 64.0%CrownGirdle: MED-VTKPavilion 35.59°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$54,018 HKD|Low: HK$28,497 HKD|High: HK$54,814 HKD|Avg: HK$36,093 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$28,497 HKD
Retailer 4HK$29,774 HKD
Retailer 2HK$31,961 HKD
Retailer 6HK$33,544 HKD
Retailer 3HK$34,438 HKD
Retailer 5HK$38,536 HKD
MOH LondonHK$54,018 HKD

30 data points across 7 retailers

6 retailersHK$28,497 HKD to HK$54,018 HKD

B+
Cheapest Retailer
-
HK$28,497 HKD
B+
Retailer 2
-
HK$29,774 HKD
View
B+
Retailer 3
-
HK$31,961 HKD
View
B
Retailer 4
-
HK$33,544 HKD
View
B
Retailer 5
-
HK$34,438 HKD
View
Most Expensive
B
MOH London
CF5B4A5F7 · Nov 4
HK$54,018 HKD
£5,427 GBP
View
5 more retailers have this diamond
Prices start from HK$28,497 HKDSave up to HK$25,521 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+
1.51ct Cushion
HK$28,497 HKD