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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1453563482

Certificate GIA 1453563482

Diamond specifications and retailer prices

From HK$26,334 HKD
As of November 4, 2026
Save HK$30,049 HKD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$77,414 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 1453563482. Listed at 15 retailers as of November 4, 2026, with a 114% 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1453563482
Dimensions6.53 × 6.51 × 4.01 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
6.53 mm6.51 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1453563482
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$32,384 HKD|Low: HK$22,556 HKD|High: HK$54,768 HKD|Avg: HK$34,549 HKD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4HK$26,334 HKD
Retailer 7HK$27,063 HKD
Retailer 6HK$27,548 HKD
Retailer 9HK$30,448 HKD
Retailer 1HK$32,384 HKD
Retailer 8HK$34,696 HKD
Retailer 3HK$36,334 HKD
Retailer 2HK$39,500 HKD
Retailer 5HK$54,125 HKD

45 data points across 9 retailers

15 retailersHK$26,334 HKD to HK$56,382 HKD

B+
Cheapest Retailer
-
HK$26,334 HKD
B+
Retailer 2
-
HK$27,063 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$27,548 HKD
View
Retailer 4
-
HK$29,320 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$29,320 HKD
View
B
Retailer 6
-
HK$30,448 HKD
View
B
Retailer 7
-
HK$32,384 HKD
View
B
Retailer 8
-
HK$33,826 HKD
View
Retailer 9
-
HK$34,696 HKD
View
Price last confirmed 33 days ago
B
Retailer 10
-
HK$36,334 HKD
View
Retailer 11
-
HK$36,616 HKD
View
Price last confirmed 14 days ago
B
Retailer 12
-
HK$39,500 HKD
View
B
Retailer 13
-
HK$54,125 HKD
View
B
Retailer 14
-
HK$56,382 HKD
View
Most Expensive
Diamond Quarter
1.05SI1H14828EC5N · Nov 5
HK$77,414 HKD
£7,778 GBP
View
Price under review
14 more retailers have this diamond
Prices start from HK$26,334 HKDSave up to HK$30,049 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.

B+
1.05ct Round
HK$26,334 HKD