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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 5566322875

Certificate GIA 5566322875

Diamond specifications and retailer prices

From HK$12,334 HKD
$1,572 USD
As of November 2, 2026
Save HK$13,504 HKD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,838 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566322875. Listed at 12 retailers as of November 2, 2026, with prices from HK$12,334 to HK$25,838, a HK$13,504 spread on the same certified stone. MOH London lists it at HK$25,838. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566322875
Dimensions7.81 × 5.89 × 4.02 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle
Top View
7.81 mm5.89 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566322875
Side View
Table 63.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 68.3%

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 2
Current: HK$25,838 HKD|Low: HK$12,138 HKD|High: HK$31,637 HKD|Avg: HK$16,248 HKD|-18.3%
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
November 2, 2026
Retailer 13HK$12,334 HKD
Retailer 7HK$12,750 HKD
Retailer 11HK$13,331 HKD
Retailer 6HK$13,362 HKD
Retailer 8HK$13,762 HKD
Retailer 12HK$13,925 HKD
Retailer 3HK$14,183 HKD
Retailer 2HK$14,580 HKD
Retailer 9HK$14,813 HKD
Retailer 10HK$15,221 HKD
Retailer 4HK$17,183 HKD
Retailer 5HK$18,458 HKD
MOH LondonHK$25,838 HKD

33 data points across 13 retailers

12 retailersHK$12,334 HKD to HK$25,838 HKD

A
Cheapest Retailer
-
HK$12,334 HKD
$1,572 USD
Final sale: no returns
A
Retailer 2
-
HK$12,750 HKD
$1,625 USD
View
A
Retailer 3
-
HK$13,331 HKD
$1,699 USD
View
A
Retailer 4
-
HK$13,362 HKD
$1,703 USD
View
A
Retailer 5
-
HK$13,762 HKD
$1,754 USD
View
A
Retailer 6
-
HK$13,925 HKD
$1,775 USD
View
A
Retailer 7
-
HK$14,183 HKD
$1,808 USD
View
A
Retailer 8
-
HK$14,580 HKD
£1,463 GBP
View
A
Retailer 9
-
HK$14,813 HKD
$1,888 USD
View
A
Retailer 10
-
HK$15,221 HKD
$1,940 USD
View
Retailer 11
-
HK$17,183 HKD
$2,190 USD
View
Price last confirmed 18 days ago
Most Expensive
B+
MOH London
68DC9EAEF · Nov 2
HK$25,838 HKD
£2,593 GBP
View
11 more retailers have this diamond
Prices start from HK$12,334 HKDSave up to HK$13,504 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$12,334 HKD