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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557531375

Certificate GIA 2557531375

Diamond specifications and retailer prices

From HK$21,190 HKD
As of November 1, 2026
Save HK$25,831 HKD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$47,020 HKD at MOH London · As of November 1, 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 2557531375. Listed at 13 retailers as of November 1, 2026, with prices from HK$21,190 to HK$47,020, a HK$25,831 spread on the same certified stone. MOH London lists it at HK$47,020. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557531375
Dimensions7.62 × 5.83 × 4.01 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.62 mm5.83 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557531375
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 1
Current: HK$47,020 HKD|Low: HK$20,989 HKD|High: HK$48,744 HKD|Avg: HK$29,382 HKD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8HK$21,190 HKD
Retailer 7HK$22,632 HKD
Retailer 11HK$25,267 HKD
Retailer 5HK$25,765 HKD
Retailer 3HK$28,692 HKD
Retailer 4HK$29,064 HKD
Retailer 6HK$29,186 HKD
Retailer 10HK$29,499 HKD
Retailer 9HK$29,735 HKD
Retailer 2HK$32,680 HKD
MOH LondonHK$47,020 HKD

33 data points across 11 retailers

13 retailersHK$21,190 HKD to HK$47,020 HKD

A
Cheapest Retailer
-
HK$21,190 HKD
A
Retailer 2
-
HK$22,632 HKD
₹274,724 INR
View
A
Retailer 3
-
HK$25,267 HKD
SGD 4,352 SGD
View
A
Retailer 4
-
HK$25,765 HKD
$3,284 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$26,746 HKD
$3,409 USD
View
B+
Retailer 6
-
HK$28,191 HKD
A$5,528 AUD
View
Retailer 7
-
HK$28,692 HKD
$3,657 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
HK$29,064 HKD
$3,704 USD
View
B+
Retailer 9
-
HK$29,186 HKD
£2,929 GBP
View
B+
Retailer 10
-
HK$29,499 HKD
SGD 5,081 SGD
View
B+
Retailer 11
-
HK$29,735 HKD
$3,790 USD
View
B+
Retailer 12
-
HK$32,680 HKD
€3,967 EUR
View
Most Expensive
B
MOH London
A856D8BF8 · Nov 1
HK$47,020 HKD
£4,719 GBP
View
12 more retailers have this diamond
Prices start from HK$21,190 HKDSave up to HK$25,831 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$21,190 HKD