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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From HK$16,671 HKD
As of November 2, 2026
Save HK$20,675 HKD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$37,345 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 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from HK$16,671 to HK$37,345, a HK$20,675 spread on the same certified stone. MOH London lists it at HK$37,345. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%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 2
Current: HK$37,345 HKD|Low: HK$16,369 HKD|High: HK$39,298 HKD|Avg: HK$23,437 HKD|-4.2%
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
Retailer 14
November 2, 2026
Retailer 2HK$16,671 HKD
Retailer 12HK$18,147 HKD
Retailer 10HK$18,155 HKD
Retailer 4HK$18,449 HKD
Retailer 14HK$19,230 HKD
Retailer 6HK$20,258 HKD
Retailer 13HK$20,477 HKD
Retailer 9HK$20,631 HKD
Retailer 7HK$21,464 HKD
Retailer 3HK$22,549 HKD
Retailer 11HK$23,208 HKD
Retailer 8HK$25,406 HKD
Retailer 5HK$35,837 HKD
MOH LondonHK$37,345 HKD

24 data points across 14 retailers

15 retailersHK$16,671 HKD to HK$37,345 HKD

A
Cheapest Retailer
-
HK$16,671 HKD
A
Retailer 2
-
HK$18,147 HKD
$2,313 USD
View
A
Retailer 3
-
HK$18,155 HKD
$2,314 USD
View
Final sale: no returns
A
Retailer 4
-
HK$18,449 HKD
$2,351 USD
View
A
Retailer 5
-
HK$19,230 HKD
$2,451 USD
View
A
Retailer 6
-
HK$20,258 HKD
$2,582 USD
View
A
Retailer 7
-
HK$20,477 HKD
$2,610 USD
View
A
Retailer 8
-
HK$20,631 HKD
$2,630 USD
View
A
Retailer 9
-
HK$21,464 HKD
£2,154 GBP
View
A
Retailer 10
-
HK$22,549 HKD
$2,874 USD
View
A
Retailer 11
-
HK$23,208 HKD
£2,329 GBP
View
B+
Retailer 12
-
HK$25,182 HKD
A$4,938 AUD
View
A
Retailer 13
-
HK$25,406 HKD
€3,084 EUR
View
Retailer 14
-
HK$35,837 HKD
$4,568 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
HK$37,345 HKD
£3,748 GBP
View
14 more retailers have this diamond
Prices start from HK$16,671 HKDSave up to HK$20,675 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$16,671 HKD