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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6552456281

Certificate GIA 6552456281

Diamond specifications and retailer prices

From HK$19,358 HKD
As of November 4, 2026
Save HK$18,515 HKD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$37,873 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552456281. Listed at 13 retailers as of November 2, 2026, with prices from HK$19,358 to HK$37,873, a HK$18,515 spread on the same certified stone. MOH London lists it at HK$37,873. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552456281
Dimensions5.85 × 5.73 × 3.87 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
5.85 mm5.73 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552456281
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 67.5%

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 4
Current: HK$37,873 HKD|Low: HK$19,358 HKD|High: HK$38,331 HKD|Avg: HK$24,587 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9HK$19,358 HKD
Retailer 10HK$20,824 HKD
Retailer 6HK$21,239 HKD
Retailer 7HK$22,446 HKD
Retailer 2HK$22,877 HKD
Retailer 5HK$23,982 HKD
Retailer 8HK$24,218 HKD
Retailer 3HK$25,158 HKD
Retailer 4HK$26,381 HKD
MOH LondonHK$37,873 HKD

46 data points across 10 retailers

13 retailersHK$19,358 HKD to HK$37,873 HKD

A
Cheapest Retailer
-
HK$19,358 HKD
A
Retailer 2
-
HK$20,824 HKD
View
A
Retailer 3
-
HK$21,239 HKD
View
A
Retailer 4
-
HK$22,446 HKD
View
A
Retailer 5
-
HK$22,721 HKD
View
A
Retailer 6
-
HK$22,877 HKD
View
A
Retailer 7
-
HK$23,982 HKD
View
Retailer 8
-
HK$24,218 HKD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
HK$24,680 HKD
View
B+
Retailer 10
-
HK$24,845 HKD
View
B+
Retailer 11
-
HK$25,158 HKD
View
B+
Retailer 12
-
HK$26,381 HKD
View
Most Expensive
B
MOH London
82E0605D6 · Nov 2
HK$37,873 HKD
£3,805 GBP
View
12 more retailers have this diamond
Prices start from HK$19,358 HKDSave up to HK$18,515 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 Radiant
HK$19,358 HKD