CaratHunter
Plans
Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2557493818

Certificate GIA 2557493818

Diamond specifications and retailer prices

From HK$32,917 HKD
As of November 4, 2026
Save HK$25,829 HKD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$58,746 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557493818. Listed at 12 retailers as of November 4, 2026, with prices from HK$32,917 to HK$58,746, a HK$25,829 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$58,746. 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

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557493818
Dimensions6.81 × 6.86 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Twinning Wisp, Crystal, Feather
Top View
6.81 mm6.86 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557493818
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: HK$40,911 HKD|Low: HK$32,917 HKD|High: HK$58,746 HKD|Avg: HK$42,629 HKD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 7, 2026
Retailer 7HK$32,917 HKD
Retailer 5HK$35,582 HKD
Retailer 6HK$38,803 HKD
Retailer 4HK$39,947 HKD
Retailer 1HK$40,911 HKD
Retailer 3HK$42,933 HKD
Retailer 2HK$50,826 HKD
Wholesale Diamonds DirectHK$58,746 HKD

43 data points across 8 retailers

12 retailersHK$32,917 HKD to HK$58,746 HKD

B+
Cheapest Retailer
-
HK$32,917 HKD
B+
Retailer 2
-
HK$35,582 HKD
View
B+
Retailer 3
-
HK$38,803 HKD
View
B
Retailer 4
-
HK$39,775 HKD
View
B
Retailer 5
-
HK$39,947 HKD
View
B+
Retailer 6
-
HK$40,911 HKD
View
B
Retailer 7
-
HK$42,322 HKD
View
B
Retailer 8
-
HK$42,322 HKD
View
B
Retailer 9
-
HK$42,933 HKD
View
B
Retailer 10
-
HK$43,733 HKD
View
B
Retailer 11
-
HK$50,826 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
252731742 · Nov 6
HK$58,746 HKD
$7,496 USD
View
11 more retailers have this diamond
Prices start from HK$32,917 HKDSave up to HK$25,829 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+
1.23ct Round
HK$32,917 HKD