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Cushion|Natural|GIA

1.51ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1343477968

Certificate GIA 1343477968

Diamond specifications and retailer prices

From HK$36,922 HKD
As of November 6, 2026
Save HK$35,151 HKD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$72,073 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1343477968. Listed at 15 retailers as of November 4, 2026, with prices from HK$36,922 to HK$72,073, a HK$35,151 spread on the same certified stone. MOH London lists it at HK$72,073. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1343477968
Dimensions6.60 × 6.58 × 4.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.60 mm6.58 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1343477968
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

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$72,073 HKD|Low: HK$36,922 HKD|High: HK$73,138 HKD|Avg: HK$48,536 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8HK$36,922 HKD
Retailer 5HK$37,620 HKD
Retailer 9HK$41,538 HKD
Retailer 6HK$44,438 HKD
Retailer 2HK$46,452 HKD
Retailer 7HK$46,468 HKD
Retailer 3HK$50,457 HKD
Retailer 4HK$59,846 HKD
MOH LondonHK$72,073 HKD

45 data points across 9 retailers

15 retailersHK$36,922 HKD to HK$72,073 HKD

B
Cheapest Retailer
-
HK$36,922 HKD
Retailer 2
-
HK$37,620 HKD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
HK$38,317 HKD
View
B+
Retailer 4
-
HK$38,756 HKD
View
B+
Retailer 5
-
HK$39,250 HKD
View
B
Retailer 6
-
HK$41,366 HKD
View
B
Retailer 7
-
HK$41,538 HKD
View
Retailer 8
-
HK$44,438 HKD
View
Price last confirmed 9 days ago
B
Retailer 9
-
HK$46,452 HKD
View
B
Retailer 10
-
HK$46,468 HKD
View
B
Retailer 11
-
HK$46,844 HKD
View
B
Retailer 12
-
HK$50,457 HKD
View
Retailer 13
-
HK$54,102 HKD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$59,846 HKD
View
Most Expensive
B
MOH London
5FC1F0D5D · Nov 4
HK$72,073 HKD
£7,241 GBP
View
14 more retailers have this diamond
Prices start from HK$36,922 HKDSave up to HK$35,151 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$36,922 HKD