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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 7421531215

Certificate GIA 7421531215

Diamond specifications and retailer prices

From HK$15,322 HKD
As of November 6, 2026
Save HK$26,681 HKD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$42,003 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 7421531215. Listed at 19 retailers as of November 5, 2026, with prices from HK$15,322 to HK$42,003, a HK$26,681 spread on the same certified stone. Diamond Quarter lists it at HK$42,003. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7421531215
Dimensions6.42 × 6.32 × 3.87 mm
L/W Ratio1.02
Top View
6.42 mm6.32 mm1.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421531215
Side View
Table 62.0%Crown 31°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 60.8%

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 6
Current: HK$17,173 HKD|Low: HK$15,322 HKD|High: HK$39,148 HKD|Avg: HK$21,253 HKD|-13.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 17HK$15,322 HKD
Retailer 2HK$15,769 HKD
Retailer 4HK$16,506 HKD
Retailer 14HK$16,961 HKD
Retailer 16HK$16,961 HKD
Retailer 1HK$17,173 HKD
Retailer 13HK$17,393 HKD
Retailer 15HK$17,746 HKD
Retailer 6HK$19,574 HKD
Retailer 9HK$19,582 HKD
Retailer 11HK$19,691 HKD
Retailer 5HK$20,005 HKD
Retailer 8HK$20,005 HKD
Retailer 3HK$20,633 HKD
Retailer 10HK$23,253 HKD
Retailer 12HK$32,793 HKD
Retailer 7HK$39,148 HKD

36 data points across 17 retailers

19 retailersHK$15,322 HKD to HK$42,003 HKD

A
Cheapest Retailer
-
HK$15,322 HKD
A
Retailer 2
-
HK$15,769 HKD
View
A
Retailer 3
-
HK$16,506 HKD
View
Retailer 4
-
HK$16,961 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$16,961 HKD
View
A
Retailer 6
-
HK$17,173 HKD
View
A
Retailer 7
-
HK$17,393 HKD
View
B+
Retailer 8
-
HK$17,746 HKD
View
B+
Retailer 9
-
HK$19,574 HKD
View
B+
Retailer 10
-
HK$19,582 HKD
View
Final sale: no returns
B+
Retailer 11
-
HK$19,691 HKD
View
B+
Retailer 12
-
HK$19,770 HKD
View
B+
Retailer 13
-
HK$20,005 HKD
View
B+
Retailer 14
-
HK$20,005 HKD
View
B+
Retailer 15
-
HK$20,633 HKD
View
B+
Retailer 16
-
HK$23,253 HKD
View
B
Retailer 17
-
HK$32,793 HKD
View
C
Retailer 18
-
HK$39,148 HKD
View
Most Expensive
C
Diamond Quarter
1.0SI2G74156F91N · Nov 5
HK$42,003 HKD
£4,216 GBP
View
18 more retailers have this diamond
Prices start from HK$15,322 HKDSave up to HK$26,681 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
1.00ct Round
HK$15,322 HKD