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Round|Natural|GIA

1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2245008318

Certificate GIA 2245008318

Diamond specifications and retailer prices

From HK$9,940 HKD
As of November 1, 2026
Save HK$4,417 HKD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$14,357 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245008318. Listed at 4 retailers as of November 1, 2026, with prices from HK$9,940 to HK$14,357, a HK$4,417 spread on the same certified stone. Brilliant Earth lists it at HK$14,357. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245008318
Dimensions7.02 × 7.07 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.02 mm7.07 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245008318
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

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 1
Current: HK$14,357 HKD|Low: HK$9,838 HKD|High: HK$21,355 HKD|Avg: HK$14,377 HKD|-2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2HK$9,940 HKD
Retailer 3HK$12,207 HKD
Retailer 4HK$12,254 HKD
Brilliant EarthHK$14,357 HKD
Retailer 5HK$21,355 HKD

14 data points across 5 retailers

4 retailersHK$9,940 HKD to HK$14,357 HKD

A
Cheapest Retailer
-
HK$9,940 HKD
A
Retailer 2
-
HK$12,207 HKD
View
B+
Retailer 3
-
HK$12,254 HKD
View
Final sale: no returns
Most Expensive
B+
Brilliant Earth
21531864A · Nov 2
HK$14,357 HKD
$1,830 USD
View
3 more retailers have this diamond
Prices start from HK$9,940 HKDSave up to HK$4,417 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$9,940 HKD