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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6551079188

Certificate GIA 6551079188

Diamond specifications and retailer prices

From HK$18,876 HKD
As of November 4, 2026
Save HK$22,547 HKD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$47,775 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551079188. Listed at 20 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551079188
Dimensions6.75 × 6.77 × 4.25 mm
L/W Ratio1.00
Top View
6.75 mm6.77 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551079188
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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$47,775 HKD|Low: HK$18,876 HKD|High: HK$47,974 HKD|Avg: HK$29,124 HKD|+2.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9HK$18,876 HKD
Retailer 6HK$19,723 HKD
Retailer 7HK$22,045 HKD
Retailer 10HK$22,735 HKD
Retailer 3HK$22,924 HKD
Retailer 4HK$25,544 HKD
Retailer 11HK$25,960 HKD
Retailer 2HK$26,297 HKD
Retailer 5HK$28,855 HKD
Retailer 8HK$41,423 HKD
QueensmithHK$47,775 HKD

33 data points across 11 retailers

20 retailersHK$18,876 HKD to HK$41,423 HKD

A
Cheapest Retailer
-
HK$18,876 HKD
A
Retailer 2
-
HK$19,723 HKD
View
A
Retailer 3
-
HK$22,045 HKD
View
A
Retailer 4
-
HK$22,735 HKD
View
A
Retailer 5
-
HK$22,924 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$23,206 HKD
View
Retailer 7
-
HK$25,097 HKD
View
Price last confirmed 44 days ago
Retailer 8
-
HK$25,097 HKD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$25,097 HKD
View
Price last confirmed 21 days ago
A
Retailer 10
-
HK$25,544 HKD
View
A
Retailer 11
-
HK$25,960 HKD
View
Retailer 12
-
HK$26,062 HKD
View
Price last confirmed 22 days ago
A
Retailer 13
-
HK$26,297 HKD
View
A
Retailer 14
-
HK$28,855 HKD
View
Retailer 15
-
HK$28,957 HKD
View
Price last confirmed 45 days ago
Retailer 16
-
HK$28,957 HKD
View
Price last confirmed 19 days ago
B+
Retailer 17
-
HK$41,423 HKD
View
Retailer 18
-
HK$43,721 HKD
View
Price last confirmed 46 days ago
Retailer 19
-
HK$43,721 HKD
View
Price last confirmed 20 days ago
Most Expensive
Queensmith
6551079188 · Oct 28
HK$47,775 HKD
£4,795 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from HK$18,876 HKDSave up to HK$22,547 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 Round
HK$18,876 HKD