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Cushion|Natural|GIA

1.30ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 7426459003

Certificate GIA 7426459003

Diamond specifications and retailer prices

From HK$30,370 HKD
As of November 6, 2026
Save HK$33,193 HKD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$63,563 HKD at MOH London · As of November 4, 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 G 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 7426459003. Listed at 11 retailers as of November 4, 2026, with prices from HK$30,370 to HK$63,563, a HK$33,193 spread on the same certified stone. MOH London lists it at HK$63,563. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7426459003
Dimensions6.38 × 5.87 × 4.07 mm
L/W Ratio1.09
Top View
6.38 mm5.87 mm1.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7426459003
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.2%

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 6
Current: HK$63,563 HKD|Low: HK$30,370 HKD|High: HK$64,499 HKD|Avg: HK$40,879 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7HK$30,370 HKD
Retailer 8HK$31,616 HKD
Retailer 5HK$36,248 HKD
Retailer 6HK$38,364 HKD
Retailer 2HK$39,399 HKD
Retailer 4HK$40,331 HKD
Retailer 3HK$45,096 HKD
MOH LondonHK$63,563 HKD

44 data points across 8 retailers

11 retailersHK$30,370 HKD to HK$63,563 HKD

A
Cheapest Retailer
-
HK$30,370 HKD
B+
Retailer 2
-
HK$31,616 HKD
View
B+
Retailer 3
-
HK$34,046 HKD
View
B+
Retailer 4
-
HK$35,989 HKD
View
Retailer 5
-
HK$36,248 HKD
View
Price last confirmed 9 days ago
B
Retailer 6
-
HK$38,364 HKD
View
B+
Retailer 7
-
HK$39,399 HKD
View
Retailer 8
-
HK$40,331 HKD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$44,172 HKD
View
Price last confirmed 15 days ago
B
Retailer 10
-
HK$45,096 HKD
View
Most Expensive
B
MOH London
FB5C5F0BE · Nov 4
HK$63,563 HKD
£6,386 GBP
View
10 more retailers have this diamond
Prices start from HK$30,370 HKDSave up to HK$33,193 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$30,370 HKD