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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6562078809

Certificate GIA 6562078809

Diamond specifications and retailer prices

From HK$19,358 HKD
As of November 6, 2026
Save HK$24,427 HKD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$43,785 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562078809. Listed at 7 retailers as of November 4, 2026, with prices from HK$19,358 to HK$43,785, a HK$24,427 spread on the same certified stone. MOH London lists it at HK$43,785. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562078809
Dimensions6.47 × 6.52 × 4.04 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle
Top View
6.47 mm6.52 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562078809
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

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$43,785 HKD|Low: HK$19,358 HKD|High: HK$45,677 HKD|Avg: HK$28,005 HKD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6HK$19,358 HKD
Retailer 5HK$22,415 HKD
Retailer 7HK$23,653 HKD
Retailer 3HK$25,119 HKD
Retailer 4HK$26,953 HKD
Retailer 2HK$29,829 HKD
MOH LondonHK$43,785 HKD

24 data points across 7 retailers

7 retailersHK$19,358 HKD to HK$43,785 HKD

A
Cheapest Retailer
-
HK$19,358 HKD
A
Retailer 2
-
HK$22,415 HKD
View
B+
Retailer 3
-
HK$23,653 HKD
View
B+
Retailer 4
-
HK$25,119 HKD
View
B+
Retailer 5
-
HK$26,953 HKD
View
B+
Retailer 6
-
HK$29,829 HKD
View
Most Expensive
B
MOH London
C91420AD3 · Nov 4
HK$43,785 HKD
£4,399 GBP
View
6 more retailers have this diamond
Prices start from HK$19,358 HKDSave up to HK$24,427 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
1.05ct Round
HK$19,358 HKD