Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2547450823

Certificate GIA 2547450823

Diamond specifications and retailer prices

From HK$10,784 HKD
As of November 6, 2026
Save HK$12,935 HKD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$23,719 HKD at MOH London · As of November 4, 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 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 2547450823. Listed at 10 retailers as of November 4, 2026, with prices from HK$10,784 to HK$23,719, a HK$12,935 spread on the same certified stone. MOH London lists it at HK$23,719. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547450823
Dimensions5.90 × 5.71 × 3.85 mm
L/W Ratio1.03
Top View
5.90 mm5.71 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547450823
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.4%

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$23,719 HKD|Low: HK$10,784 HKD|High: HK$24,177 HKD|Avg: HK$15,619 HKD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$10,784 HKD
Retailer 9HK$13,128 HKD
Retailer 3HK$13,167 HKD
Retailer 10HK$13,653 HKD
Retailer 8HK$14,640 HKD
Retailer 7HK$15,001 HKD
Retailer 5HK$15,063 HKD
Retailer 6HK$16,560 HKD
Retailer 4HK$18,434 HKD
MOH LondonHK$23,719 HKD

25 data points across 10 retailers

10 retailersHK$10,784 HKD to HK$23,719 HKD

A
Cheapest Retailer
-
HK$10,784 HKD
B+
Retailer 2
-
HK$13,128 HKD
View
A
Retailer 3
-
HK$13,167 HKD
View
Retailer 4
-
HK$13,653 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$14,640 HKD
View
B+
Retailer 6
-
HK$15,001 HKD
View
B+
Retailer 7
-
HK$15,063 HKD
View
B+
Retailer 8
-
HK$16,560 HKD
View
B
Retailer 9
-
HK$18,434 HKD
View
Most Expensive
B
MOH London
B9CF7B431 · Nov 4
HK$23,719 HKD
£2,383 GBP
View
9 more retailers have this diamond
Prices start from HK$10,784 HKDSave up to HK$12,935 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$10,784 HKD