CaratHunter
Plans
Cushion|Natural|GIA

1.30ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2364264078

Certificate GIA 2364264078

Diamond specifications and retailer prices

From HK$27,533 HKD
As of November 6, 2026
Save HK$10,055 HKD (27%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$37,588 HKD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

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 H 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 2364264078. Listed at 10 retailers as of November 6, 2026, with prices from HK$27,533 to HK$37,588, a HK$10,055 spread on the same certified stone. Washington Diamond lists it at HK$37,588. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2364264078
Dimensions6.45 × 5.98 × 3.98 mm
L/W Ratio1.08
Top View
6.45 mm5.98 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2364264078
Side View
Table 60.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$35,762 HKD|Low: HK$25,840 HKD|High: HK$37,588 HKD|Avg: HK$30,636 HKD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Washington Diamond
November 6, 2026
Retailer 5HK$25,840 HKD
Retailer 3HK$28,732 HKD
Retailer 6HK$28,732 HKD
Retailer 4HK$32,078 HKD
Retailer 2HK$32,180 HKD
Retailer 1HK$35,762 HKD
Washington DiamondHK$37,588 HKD

43 data points across 7 retailers

10 retailersHK$27,533 HKD to HK$37,588 HKD

B+
Cheapest Retailer
-
HK$27,533 HKD
B+
Retailer 2
-
HK$28,732 HKD
View
B+
Retailer 3
-
HK$28,732 HKD
View
B+
Retailer 4
-
HK$28,967 HKD
View
B+
Retailer 5
-
HK$29,704 HKD
View
B+
Retailer 6
-
HK$32,078 HKD
View
B+
Retailer 7
-
HK$32,180 HKD
View
B
Retailer 8
-
HK$33,168 HKD
View
B
Retailer 9
-
HK$35,762 HKD
View
Most Expensive
B
Washington Diamond
1917992204 · Nov 6
HK$37,588 HKD
$4,796 USD
View
9 more retailers have this diamond
Prices start from HK$27,533 HKDSave up to HK$10,055 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.

B+
1.30ct Cushion
HK$27,533 HKD