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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2566219710

Certificate GIA 2566219710

Diamond specifications and retailer prices

From HK$14,562 HKD
As of November 1, 2026
Save HK$20,074 HKD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$34,637 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566219710. Listed at 6 retailers as of November 1, 2026, with prices from HK$14,562 to HK$34,637, a HK$20,074 spread on the same certified stone. MOH London lists it at HK$34,637. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566219710
Dimensions6.59 × 6.53 × 4.34 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.59 mm6.53 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566219710
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.5%

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$34,637 HKD|Low: HK$14,562 HKD|High: HK$37,317 HKD|Avg: HK$22,521 HKD|-7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4HK$14,562 HKD
Retailer 5HK$17,222 HKD
Retailer 2HK$19,020 HKD
Retailer 6HK$20,687 HKD
Retailer 7HK$25,687 HKD
Retailer 3HK$27,712 HKD
MOH LondonHK$34,637 HKD

18 data points across 7 retailers

6 retailersHK$14,562 HKD to HK$34,637 HKD

A
Cheapest Retailer
-
HK$14,562 HKD
A
Retailer 2
-
HK$17,222 HKD
$2,195 USD
View
A
Retailer 3
-
HK$19,020 HKD
£1,909 GBP
View
Retailer 4
-
HK$20,687 HKD
SGD 3,563 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$27,712 HKD
$3,532 USD
View
Most Expensive
B+
MOH London
4E81B08B7 · Nov 1
HK$34,637 HKD
£3,476 GBP
View
5 more retailers have this diamond
Prices start from HK$14,562 HKDSave up to HK$20,074 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$14,562 HKD