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Cushion|Natural|GIA

1.23ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 1547747427

Certificate GIA 1547747427

Diamond specifications and retailer prices

From HK$12,438 HKD
As of November 6, 2026
Save HK$17,144 HKD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$29,582 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547747427. Listed at 7 retailers as of November 6, 2026, with prices from HK$12,438 to HK$29,582, a HK$17,144 spread on the same certified stone. MOH London lists it at HK$29,582. 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

1.23
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle38.31°
OriginNatural
Grading LabGIA
CertificateGIA 1547747427
Dimensions7.51 × 5.62 × 3.88 mm
L/W Ratio1.34
Key to symbols
Crystal, Feather, Needle
Top View
7.51 mm5.62 mm1.23 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1547747427
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 38.31°Culet: NoneDepth 69.1%

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$29,582 HKD|Low: HK$12,438 HKD|High: HK$33,394 HKD|Avg: HK$20,376 HKD|-11.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 5HK$12,438 HKD
Retailer 2HK$16,796 HKD
Retailer 4HK$17,336 HKD
Retailer 6HK$18,669 HKD
Retailer 7HK$19,546 HKD
Retailer 3HK$21,373 HKD
MOH LondonHK$29,582 HKD

43 data points across 7 retailers

7 retailersHK$12,438 HKD to HK$29,582 HKD

A
Cheapest Retailer
-
HK$12,438 HKD
A
Retailer 2
-
HK$16,796 HKD
View
A
Retailer 3
-
HK$17,336 HKD
View
A
Retailer 4
-
HK$18,669 HKD
View
B+
Retailer 5
-
HK$19,546 HKD
View
B+
Retailer 6
-
HK$21,373 HKD
View
Most Expensive
B+
MOH London
209EDC4CD · Nov 7
HK$29,582 HKD
£2,972 GBP
View
6 more retailers have this diamond
Prices start from HK$12,438 HKDSave up to HK$17,144 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
1.23ct Cushion
HK$12,438 HKD