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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505241872

Certificate GIA 6505241872

Diamond specifications and retailer prices

From HK$14,043 HKD
As of November 6, 2026
Save HK$24,924 HKD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$38,967 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505241872. Listed at 13 retailers as of November 5, 2026, with prices from HK$14,043 to HK$38,967, a HK$24,924 spread on the same certified stone. NZ Jewellers lists it at HK$38,967. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6505241872
Dimensions6.45 × 6.51 × 4.06 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
6.45 mm6.51 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505241872
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.6%

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$38,967 HKD|Low: HK$14,043 HKD|High: HK$40,740 HKD|Avg: HK$22,810 HKD|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$14,043 HKD
Retailer 11HK$14,922 HKD
Retailer 9HK$16,836 HKD
Retailer 3HK$17,612 HKD
Retailer 4HK$17,832 HKD
Retailer 7HK$19,597 HKD
Retailer 5HK$19,731 HKD
Retailer 6HK$21,967 HKD
Retailer 8HK$22,751 HKD
Retailer 10HK$32,565 HKD
NZ JewellersHK$38,967 HKD

27 data points across 11 retailers

13 retailersHK$14,043 HKD to HK$38,967 HKD

A
Cheapest Retailer
-
HK$14,043 HKD
A
Retailer 2
-
HK$14,922 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$16,836 HKD
View
A
Retailer 4
-
HK$17,612 HKD
View
A
Retailer 5
-
HK$17,832 HKD
View
A
Retailer 6
-
HK$18,177 HKD
View
A
Retailer 7
-
HK$19,597 HKD
View
A
Retailer 8
-
HK$19,731 HKD
View
B+
Retailer 9
-
HK$21,967 HKD
View
B+
Retailer 10
-
HK$22,751 HKD
View
Retailer 11
-
HK$23,724 HKD
View
Price last confirmed 30 days ago
B
Retailer 12
-
HK$32,565 HKD
View
Most Expensive
B
NZ Jewellers
bd109b5e-5f66-43ef-8a97-8f8c565ab457 · Nov 5
HK$38,967 HKD
$4,967 USD
View
12 more retailers have this diamond
Prices start from HK$14,043 HKDSave up to HK$24,924 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$14,043 HKD