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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555581750

Certificate GIA 6555581750

Diamond specifications and retailer prices

From HK$17,634 HKD
As of November 4, 2026
Save HK$23,199 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$40,833 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555581750. Listed at 12 retailers as of November 4, 2026, with prices from HK$17,634 to HK$40,833, a HK$23,199 spread on the same certified stone. NZ Jewellers lists it at HK$40,833. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555581750
Dimensions6.52 × 6.50 × 4.06 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.52 mm6.50 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555581750
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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$40,833 HKD|Low: HK$17,634 HKD|High: HK$42,494 HKD|Avg: HK$23,742 HKD|-3.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11HK$17,634 HKD
Retailer 2HK$17,658 HKD
Retailer 3HK$18,990 HKD
Retailer 12HK$19,531 HKD
Retailer 4HK$19,727 HKD
Retailer 9HK$20,432 HKD
Retailer 6HK$20,542 HKD
Retailer 5HK$21,036 HKD
Retailer 10HK$22,533 HKD
Retailer 7HK$24,225 HKD
Retailer 8HK$34,116 HKD
NZ JewellersHK$40,833 HKD

29 data points across 12 retailers

12 retailersHK$17,634 HKD to HK$40,833 HKD

A
Cheapest Retailer
-
HK$17,634 HKD
A
Retailer 2
-
HK$17,658 HKD
View
A
Retailer 3
-
HK$18,990 HKD
View
A
Retailer 4
-
HK$19,531 HKD
View
Retailer 5
-
HK$19,727 HKD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$20,432 HKD
View
A
Retailer 7
-
HK$20,542 HKD
View
A
Retailer 8
-
HK$21,036 HKD
View
A
Retailer 9
-
HK$22,533 HKD
View
B+
Retailer 10
-
HK$24,225 HKD
View
B+
Retailer 11
-
HK$34,116 HKD
View
Most Expensive
B
NZ Jewellers
d751fad7-a16e-4d9a-8ba7-00bbc9bdd159 · Nov 5
HK$40,833 HKD
$5,210 USD
View
11 more retailers have this diamond
Prices start from HK$17,634 HKDSave up to HK$23,199 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$17,634 HKD