Cushion|Natural|GIA

1.30ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6562436255

Certificate GIA 6562436255

Diamond specifications and retailer prices

From HK$18,278 HKD
As of November 1, 2026
Save HK$21,839 HKD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$40,117 HKD at MOH London · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562436255. Listed at 17 retailers as of November 1, 2026, with prices from HK$18,278 to HK$40,117, a HK$21,839 spread on the same certified stone. MOH London lists it at HK$40,117. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562436255
Dimensions7.16 × 5.50 × 3.85 mm
L/W Ratio1.30
Top View
7.16 mm5.50 mm1.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562436255
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.9%

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$40,117 HKD|Low: HK$18,077 HKD|High: HK$41,113 HKD|Avg: HK$25,522 HKD|-2.4%
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
Retailer 15
Retailer 16
November 3, 2026
Retailer 13HK$18,278 HKD
Retailer 10HK$18,388 HKD
Retailer 3HK$21,106 HKD
Retailer 4HK$21,482 HKD
Retailer 16HK$22,581 HKD
Retailer 5HK$23,342 HKD
Retailer 2HK$23,362 HKD
Retailer 15HK$23,985 HKD
Retailer 11HK$25,039 HKD
Retailer 14HK$25,108 HKD
Retailer 7HK$25,372 HKD
Retailer 6HK$26,009 HKD
Retailer 9HK$26,865 HKD
Retailer 12HK$29,484 HKD
Retailer 8HK$35,290 HKD
MOH LondonHK$40,117 HKD

23 data points across 16 retailers

17 retailersHK$18,278 HKD to HK$40,117 HKD

A
Cheapest Retailer
-
HK$18,278 HKD
A
Retailer 2
-
HK$18,388 HKD
₹223,200 INR
View
B+
Retailer 3
-
HK$21,106 HKD
$2,690 USD
View
B+
Retailer 4
-
HK$21,482 HKD
$2,738 USD
View
B+
Retailer 5
-
HK$22,581 HKD
$2,878 USD
View
B+
Retailer 6
-
HK$23,342 HKD
$2,975 USD
View
B+
Retailer 7
-
HK$23,362 HKD
£2,345 GBP
View
B+
Retailer 8
-
HK$23,985 HKD
$3,057 USD
View
B+
Retailer 9
-
HK$25,039 HKD
£2,513 GBP
View
B
Retailer 10
-
HK$25,108 HKD
$3,200 USD
View
Retailer 11
-
HK$25,372 HKD
SGD 4,370 SGD
View
Price last confirmed 7 days ago
Retailer 12
-
HK$25,984 HKD
A$5,095 AUD
View
Price last confirmed 27 days ago
B
Retailer 13
-
HK$26,009 HKD
$3,315 USD
View
B
Retailer 14
-
HK$26,865 HKD
€3,261 EUR
View
B
Retailer 15
-
HK$29,484 HKD
ZAR 60,709 ZAR
View
B
Retailer 16
-
HK$35,290 HKD
$4,498 USD
View
Most Expensive
B
MOH London
5921481E8 · Nov 2
HK$40,117 HKD
£4,026 GBP
View
16 more retailers have this diamond
Prices start from HK$18,278 HKDSave up to HK$21,839 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$18,278 HKD