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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7551587301

Certificate GIA 7551587301

Diamond specifications and retailer prices

From HK$14,962 HKD
As of November 1, 2026
Save HK$19,794 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$34,756 HKD at MOH London · As of November 2, 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 J 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 7551587301. Listed at 17 retailers as of November 1, 2026, with prices from HK$14,962 to HK$34,756, a HK$19,794 spread on the same certified stone. MOH London lists it at HK$34,756. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551587301
Dimensions7.39 × 5.49 × 3.69 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
7.39 mm5.49 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551587301
Side View
Table 66.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 67.1%

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 1
Current: HK$34,756 HKD|Low: HK$14,860 HKD|High: HK$35,304 HKD|Avg: HK$20,973 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 4, 2026
Retailer 12HK$14,962 HKD
Retailer 7HK$15,661 HKD
Retailer 8HK$17,536 HKD
Retailer 11HK$18,313 HKD
Retailer 5HK$19,317 HKD
Retailer 4HK$19,937 HKD
Retailer 10HK$20,941 HKD
Retailer 2HK$20,988 HKD
Retailer 9HK$21,584 HKD
Retailer 3HK$24,503 HKD
Retailer 6HK$24,668 HKD
MOH LondonHK$34,756 HKD

25 data points across 12 retailers

17 retailersHK$14,962 HKD to HK$34,756 HKD

B+
Cheapest Retailer
-
HK$14,962 HKD
B+
Retailer 2
-
HK$15,661 HKD
View
B+
Retailer 3
-
HK$17,536 HKD
View
B+
Retailer 4
-
HK$18,313 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$18,650 HKD
View
B
Retailer 6
-
HK$18,673 HKD
View
B+
Retailer 7
-
HK$19,317 HKD
View
B+
Retailer 8
-
HK$19,937 HKD
View
Retailer 9
-
HK$20,839 HKD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$20,941 HKD
View
B
Retailer 11
-
HK$20,988 HKD
View
B
Retailer 12
-
HK$20,996 HKD
View
B
Retailer 13
-
HK$21,584 HKD
View
Retailer 14
-
HK$22,447 HKD
View
Price last confirmed 28 days ago
B
Retailer 15
-
HK$24,503 HKD
View
B
Retailer 16
-
HK$24,668 HKD
View
Most Expensive
B
MOH London
BC1877D3C · Nov 2
HK$34,756 HKD
£3,488 GBP
View
16 more retailers have this diamond
Prices start from HK$14,962 HKDSave up to HK$19,794 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+
1.20ct Cushion
HK$14,962 HKD