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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6412546405

Certificate GIA 6412546405

Diamond specifications and retailer prices

From HK$19,460 HKD
As of November 6, 2026
Save HK$38,121 HKD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$57,581 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6412546405. Listed at 12 retailers as of November 5, 2026, with prices from HK$19,460 to HK$57,581, a HK$38,121 spread on the same certified stone. Diamond Quarter lists it at HK$57,581. 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

1.30
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6412546405
Dimensions6.97 × 6.91 × 4.37 mm
L/W Ratio1.01
Top View
6.97 mm6.91 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6412546405
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 63.0%

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$23,935 HKD|Low: HK$19,256 HKD|High: HK$44,101 HKD|Avg: HK$26,598 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8HK$19,460 HKD
Retailer 9HK$21,043 HKD
Retailer 10HK$23,167 HKD
Retailer 11HK$23,818 HKD
Retailer 1HK$23,935 HKD
Retailer 3HK$26,334 HKD
Retailer 5HK$26,679 HKD
Retailer 4HK$27,078 HKD
Retailer 2HK$27,219 HKD
Retailer 6HK$30,354 HKD
Retailer 7HK$43,639 HKD

32 data points across 11 retailers

12 retailersHK$19,460 HKD to HK$57,581 HKD

A
Cheapest Retailer
-
HK$19,460 HKD
A
Retailer 2
-
HK$21,043 HKD
View
A
Retailer 3
-
HK$23,167 HKD
View
A
Retailer 4
-
HK$23,818 HKD
View
A
Retailer 5
-
HK$23,935 HKD
View
A
Retailer 6
-
HK$26,334 HKD
View
A
Retailer 7
-
HK$26,679 HKD
View
A
Retailer 8
-
HK$27,078 HKD
View
A
Retailer 9
-
HK$27,219 HKD
View
A
Retailer 10
-
HK$30,354 HKD
View
B+
Retailer 11
-
HK$43,639 HKD
View
Most Expensive
B
Diamond Quarter
1.3SI2G6405A8E7N · Nov 5
HK$57,581 HKD
£5,785 GBP
View
11 more retailers have this diamond
Prices start from HK$19,460 HKDSave up to HK$38,121 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
1.30ct Round
HK$19,460 HKD