CaratHunter
Plans
Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2557335290

Certificate GIA 2557335290

Diamond specifications and retailer prices

From HK$32,510 HKD
As of November 4, 2026
Save HK$25,494 HKD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$58,004 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 2557335290. Listed at 14 retailers as of November 4, 2026, with prices from HK$32,510 to HK$58,004, a HK$25,494 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$58,004. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557335290
Dimensions6.83 × 6.86 × 4.24 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.83 mm6.86 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557335290
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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$40,410 HKD|Low: HK$35,190 HKD|High: HK$50,575 HKD|Avg: HK$41,659 HKD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 6HK$35,190 HKD
Retailer 7HK$38,348 HKD
Retailer 5HK$39,453 HKD
Retailer 1HK$40,410 HKD
Retailer 4HK$42,400 HKD
Retailer 3HK$45,089 HKD
Retailer 2HK$50,206 HKD

42 data points across 7 retailers

14 retailersHK$32,510 HKD to HK$58,004 HKD

B+
Cheapest Retailer
-
HK$32,510 HKD
B+
Retailer 2
-
HK$35,190 HKD
View
B+
Retailer 3
-
HK$38,348 HKD
View
B
Retailer 4
-
HK$39,312 HKD
View
B
Retailer 5
-
HK$39,453 HKD
View
B+
Retailer 6
-
HK$40,410 HKD
View
B
Retailer 7
-
HK$41,852 HKD
View
B
Retailer 8
-
HK$41,852 HKD
View
B
Retailer 9
-
HK$42,275 HKD
View
B
Retailer 10
-
HK$42,400 HKD
View
B
Retailer 11
-
HK$43,262 HKD
View
B
Retailer 12
-
HK$45,089 HKD
View
B
Retailer 13
-
HK$50,206 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
246422210 · Nov 6
HK$58,004 HKD
$7,401 USD
View
13 more retailers have this diamond
Prices start from HK$32,510 HKDSave up to HK$25,494 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$32,510 HKD