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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553750815

Certificate GIA 1553750815

Diamond specifications and retailer prices

From HK$14,742 HKD
As of November 6, 2026
Save HK$19,478 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$34,220 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 I 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 1553750815. Listed at 17 retailers as of November 6, 2026, with prices from HK$14,742 to HK$34,220, a HK$19,478 spread on the same certified stone. MOH London lists it at HK$34,220. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553750815
Dimensions7.02 × 5.24 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.02 mm5.24 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553750815
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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$34,220 HKD|Low: HK$14,742 HKD|High: HK$34,778 HKD|Avg: HK$21,522 HKD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8HK$14,742 HKD
Retailer 3HK$15,416 HKD
Retailer 7HK$17,211 HKD
Retailer 4HK$19,053 HKD
Retailer 9HK$19,641 HKD
Retailer 2HK$20,777 HKD
Retailer 6HK$23,967 HKD
Retailer 5HK$24,382 HKD
MOH LondonHK$34,220 HKD

27 data points across 9 retailers

17 retailersHK$14,742 HKD to HK$34,220 HKD

A
Cheapest Retailer
-
HK$14,742 HKD
A
Retailer 2
-
HK$15,416 HKD
View
A
Retailer 3
-
HK$17,211 HKD
View
B+
Retailer 4
-
HK$18,120 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$18,277 HKD
View
B+
Retailer 6
-
HK$18,300 HKD
View
B+
Retailer 7
-
HK$19,053 HKD
View
Retailer 8
-
HK$19,641 HKD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$20,526 HKD
View
B+
Retailer 10
-
HK$20,738 HKD
View
B+
Retailer 11
-
HK$20,777 HKD
View
B+
Retailer 12
-
HK$20,926 HKD
View
B+
Retailer 13
-
HK$21,318 HKD
View
Retailer 14
-
HK$22,000 HKD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
HK$23,967 HKD
View
B
Retailer 16
-
HK$24,382 HKD
View
Most Expensive
B
MOH London
98F9CC2F9 · Nov 7
HK$34,220 HKD
£3,438 GBP
View
16 more retailers have this diamond
Prices start from HK$14,742 HKDSave up to HK$19,478 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$14,742 HKD