CaratHunter
Plans
Cushion|Natural|GIA

1.30ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558530406

Certificate GIA 1558530406

Diamond specifications and retailer prices

From HK$12,754 HKD
As of November 1, 2026
Save HK$17,108 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$29,862 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 1558530406. Listed at 12 retailers as of October 29, 2026, with prices from HK$12,754 to HK$29,862, a HK$17,108 spread on the same certified stone. MOH London lists it at HK$29,862. 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

1.30
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558530406
Dimensions7.49 × 5.58 × 3.76 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
7.49 mm5.58 mm1.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558530406
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

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$29,862 HKD|Low: HK$12,654 HKD|High: HK$30,231 HKD|Avg: HK$18,114 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4HK$12,754 HKD
Retailer 3HK$13,424 HKD
Retailer 7HK$15,594 HKD
Retailer 8HK$15,644 HKD
Retailer 6HK$16,955 HKD
Retailer 10HK$17,810 HKD
Retailer 9HK$18,045 HKD
Retailer 2HK$18,499 HKD
Retailer 5HK$21,172 HKD
MOH LondonHK$29,862 HKD

37 data points across 10 retailers

12 retailersHK$12,754 HKD to HK$29,862 HKD

A
Cheapest Retailer
-
HK$12,754 HKD
A
Retailer 2
-
HK$13,424 HKD
₹162,954 INR
View
A
Retailer 3
-
HK$15,594 HKD
SGD 2,686 SGD
View
A
Retailer 4
-
HK$15,644 HKD
$1,994 USD
View
Final sale: no returns
A
Retailer 5
-
HK$15,974 HKD
$2,036 USD
View
A
Retailer 6
-
HK$16,955 HKD
$2,161 USD
View
A
Retailer 7
-
HK$17,810 HKD
$2,270 USD
View
A
Retailer 8
-
HK$18,045 HKD
$2,300 USD
View
A
Retailer 9
-
HK$18,499 HKD
£1,857 GBP
View
B+
Retailer 10
-
HK$19,063 HKD
A$3,738 AUD
View
B+
Retailer 11
-
HK$21,172 HKD
€2,570 EUR
View
Most Expensive
B
MOH London
EC01730CC · Oct 29
HK$29,862 HKD
£2,997 GBP
View
11 more retailers have this diamond
Prices start from HK$12,754 HKDSave up to HK$17,108 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
1.30ct Cushion
HK$12,754 HKD