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Cushion|Natural|GIA

1.30ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2225244794

Certificate GIA 2225244794

Diamond specifications and retailer prices

From HK$20,025 HKD
As of November 4, 2026
Save HK$10,451 HKD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$30,475 HKD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2225244794. Listed at 6 retailers as of November 4, 2026, with prices from HK$20,025 to HK$30,475, a HK$10,451 spread on the same certified stone. 77 Diamonds lists it at HK$30,475. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2225244794
Dimensions6.49 × 6.00 × 4.11 mm
L/W Ratio1.08
Top View
6.49 mm6.00 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2225244794
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.5%

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 4
Current: HK$30,475 HKD|Low: HK$20,448 HKD|High: HK$30,873 HKD|Avg: HK$26,679 HKD|+1.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2HK$20,448 HKD
Retailer 4HK$22,493 HKD
Retailer 5HK$29,523 HKD
Retailer 3HK$30,276 HKD
77 DiamondsHK$30,475 HKD

33 data points across 5 retailers

6 retailersHK$20,025 HKD to HK$30,475 HKD

B+
Cheapest Retailer
-
HK$20,025 HKD
B+
Retailer 2
-
HK$20,448 HKD
View
B+
Retailer 3
-
HK$20,910 HKD
View
B+
Retailer 4
-
HK$21,396 HKD
View
Retailer 5
-
HK$22,493 HKD
View
Price last confirmed 62 days ago
Most Expensive
B
77 Diamonds
CUSMBWCTMMRDN · Nov 5
HK$30,475 HKD
£3,062 GBP
View
5 more retailers have this diamond
Prices start from HK$20,025 HKDSave up to HK$10,451 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$20,025 HKD