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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5543768687

Certificate GIA 5543768687

Diamond specifications and retailer prices

From HK$28,732 HKD
As of November 6, 2026
Save HK$25,734 HKD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$54,466 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 5543768687. Listed at 8 retailers as of November 4, 2026, with prices from HK$28,732 to HK$54,466, a HK$25,734 spread on the same certified stone. MOH London lists it at HK$54,466. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37°
OriginNatural
Grading LabGIA
CertificateGIA 5543768687
Dimensions7.91 × 6.00 × 4.06 mm
L/W Ratio1.32
Top View
7.91 mm6.00 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543768687
Side View
Table 62.0%Crown 33.3°Girdle: STK-VTKPavilion 37°Culet: NoneDepth 67.7%

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$54,466 HKD|Low: HK$28,732 HKD|High: HK$59,353 HKD|Avg: HK$37,602 HKD|-8.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7HK$28,732 HKD
Retailer 8HK$29,939 HKD
Retailer 2HK$32,533 HKD
Retailer 5HK$32,651 HKD
Retailer 3HK$33,090 HKD
Retailer 4HK$33,811 HKD
Retailer 6HK$34,790 HKD
MOH LondonHK$54,466 HKD

44 data points across 8 retailers

8 retailersHK$28,732 HKD to HK$54,466 HKD

B+
Cheapest Retailer
-
HK$28,732 HKD
B+
Retailer 2
-
HK$29,939 HKD
View
B+
Retailer 3
-
HK$32,533 HKD
View
Retailer 4
-
HK$32,651 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$33,090 HKD
View
B+
Retailer 6
-
HK$33,811 HKD
View
B
Retailer 7
-
HK$34,790 HKD
View
Most Expensive
B
MOH London
59BF3CB5C · Nov 4
HK$54,466 HKD
£5,472 GBP
View
7 more retailers have this diamond
Prices start from HK$28,732 HKDSave up to HK$25,734 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$28,732 HKD