Cushion|Natural|GIA

1.20ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1459440060

Certificate GIA 1459440060

Diamond specifications and retailer prices

From HK$13,809 HKD
As of November 6, 2026
Save HK$16,708 HKD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$30,517 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-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 1459440060. Listed at 22 retailers as of November 6, 2026, with prices from HK$13,809 to HK$30,517, a HK$16,708 spread on the same certified stone. MOH London lists it at HK$30,517. 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

1.20
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.31°
Pavilion angle62°
OriginNatural
Grading LabGIA
CertificateGIA 1459440060
Dimensions6.17 × 5.73 × 3.98 mm
L/W Ratio1.08
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Needle
Top View
6.17 mm5.73 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1459440060
Side View
Table 63.0%Crown 39.31°Girdle: STK-VTKPavilion 62°Culet: NoneDepth 69.5%

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$30,517 HKD|Low: HK$13,809 HKD|High: HK$31,005 HKD|Avg: HK$19,203 HKD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 5HK$13,809 HKD
Retailer 11HK$13,841 HKD
Retailer 12HK$15,244 HKD
Retailer 10HK$15,792 HKD
Retailer 6HK$16,984 HKD
Retailer 4HK$17,172 HKD
Retailer 3HK$18,026 HKD
Retailer 2HK$19,021 HKD
Retailer 8HK$19,209 HKD
Retailer 9HK$21,373 HKD
Retailer 7HK$21,741 HKD
MOH LondonHK$30,517 HKD

24 data points across 12 retailers

22 retailersHK$13,809 HKD to HK$30,517 HKD

A
Cheapest Retailer
-
HK$13,809 HKD
A
Retailer 2
-
HK$13,841 HKD
View
A
Retailer 3
-
HK$15,792 HKD
View
A
Retailer 4
-
HK$15,816 HKD
View
A
Retailer 5
-
HK$16,161 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$16,984 HKD
View
A
Retailer 7
-
HK$17,172 HKD
View
Retailer 8
-
HK$17,509 HKD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$17,595 HKD
View
A
Retailer 10
-
HK$18,026 HKD
View
A
Retailer 11
-
HK$18,418 HKD
View
A
Retailer 12
-
HK$18,598 HKD
View
A
Retailer 13
-
HK$19,021 HKD
View
A
Retailer 14
-
HK$19,061 HKD
View
A
Retailer 15
-
HK$19,209 HKD
View
A
Retailer 16
-
HK$19,554 HKD
View
B+
Retailer 17
-
HK$21,373 HKD
View
Retailer 18
-
HK$21,529 HKD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
HK$21,741 HKD
View
B+
Retailer 20
-
HK$26,004 HKD
View
B
Retailer 21
-
HK$26,726 HKD
View
Most Expensive
B+
MOH London
B7B684B65 · Nov 7
HK$30,517 HKD
£3,066 GBP
View
21 more retailers have this diamond
Prices start from HK$13,809 HKDSave up to HK$16,708 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
1.20ct Cushion
HK$13,809 HKD