CaratHunter
Plans
Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2557511759

Certificate GIA 2557511759

Diamond specifications and retailer prices

From HK$19,907 HKD
As of November 2, 2026
Save HK$17,916 HKD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$46,303 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

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 2557511759. Listed at 7 retailers as of November 2, 2026, with a 90% 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

1.30
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557511759
Dimensions6.94 × 6.97 × 4.35 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.94 mm6.97 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557511759
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.5%

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 2
Current: HK$37,823 HKD|Low: HK$19,907 HKD|High: HK$39,265 HKD|Avg: HK$27,247 HKD|-2.5%
Retailer 1
Retailer 2
Retailer 3
November 2, 2026
Retailer 2HK$19,907 HKD
Retailer 3HK$21,396 HKD
Retailer 1HK$37,823 HKD

29 data points across 3 retailers

7 retailersHK$19,907 HKD to HK$37,823 HKD

A
Cheapest Retailer
-
HK$19,907 HKD
Retailer 2
-
HK$21,396 HKD
View
Price last confirmed 31 days ago
Retailer 3
-
HK$21,819 HKD
View
Price last confirmed 29 days ago
Retailer 4
-
HK$22,148 HKD
View
Price last confirmed 44 days ago
Retailer 5
-
HK$22,775 HKD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
HK$37,823 HKD
View
Most Expensive
NZ Jewellers
924f90dd-6eee-4f93-a134-8cc34929c8a4 · Sep 21
HK$46,303 HKD
$5,908 USD
View
Price last confirmed 46 days ago
6 more retailers have this diamond
Prices start from HK$19,907 HKDSave up to HK$17,916 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$19,907 HKD