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Round|Natural|GIA

1.25ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2554968005

Certificate GIA 2554968005

Diamond specifications and retailer prices

From HK$20,542 HKD
A$4,028 AUD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: HK$45,842 HKD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554968005. Listed at 4 retailers as of October 31, 2026. 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

1.25
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554968005
Dimensions6.85 × 6.81 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.85 mm6.81 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554968005
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$27,068 HKD|Low: HK$16,369 HKD|High: HK$39,099 HKD|Avg: HK$22,121 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 5, 2026
Retailer 6HK$16,369 HKD
Retailer 11HK$16,845 HKD
Retailer 12HK$17,064 HKD
Retailer 2HK$17,253 HKD
Retailer 15HK$18,884 HKD
Retailer 3HK$19,614 HKD
Retailer 4HK$20,542 HKD
Retailer 10HK$20,545 HKD
Retailer 5HK$22,039 HKD
Retailer 7HK$22,291 HKD
Retailer 9HK$25,884 HKD
Retailer 8HK$26,126 HKD
Retailer 1HK$27,068 HKD
Retailer 14HK$32,396 HKD
Retailer 13HK$38,830 HKD

12 data points across 15 retailers

4 retailers

Retailer 1
-
HK$16,369 HKD
Price last confirmed 57 days ago
Retailer 2
-
HK$19,614 HKD
$2,500 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
HK$20,542 HKD
A$4,028 AUD
View
Most Expensive
NZ Jewellers
546606c2-452f-4145-b796-905409c33598 · Sep 24
HK$45,842 HKD
$5,843 USD
View
Price last confirmed 38 days ago
3 more retailers have this diamond
Prices start from HK$20,542 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
1.25ct Round
HK$20,542 HKD