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Round|Natural|GIA

1.28ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7453705337

Certificate GIA 7453705337

Diamond specifications and retailer prices

From HK$13,698 HKD
As of November 6, 2026
Save HK$21,974 HKD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$35,672 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct 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 7453705337. Listed at 7 retailers as of November 5, 2026, with prices from HK$13,698 to HK$35,672, a HK$21,974 spread on the same certified stone. NZ Jewellers lists it at HK$35,672. 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

1.28
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7453705337
Dimensions6.95 × 6.90 × 4.30 mm
L/W Ratio1.01
Top View
6.95 mm6.90 mm1.28 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7453705337
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.1%

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 6
Current: HK$35,672 HKD|Low: HK$13,698 HKD|High: HK$35,672 HKD|Avg: HK$20,517 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3HK$13,698 HKD
Retailer 6HK$15,455 HKD
Retailer 7HK$15,455 HKD
Retailer 4HK$16,169 HKD
Retailer 10HK$17,573 HKD
Retailer 5HK$17,840 HKD
Retailer 2HK$21,143 HKD
Retailer 9HK$24,744 HKD
Retailer 8HK$24,971 HKD
NZ JewellersHK$35,672 HKD

27 data points across 10 retailers

7 retailersHK$13,698 HKD to HK$35,672 HKD

A
Cheapest Retailer
-
HK$13,698 HKD
B+
Retailer 2
-
HK$15,455 HKD
View
B+
Retailer 3
-
HK$16,169 HKD
View
B
Retailer 4
-
HK$17,840 HKD
View
B
Retailer 5
-
HK$21,143 HKD
View
B
Retailer 6
-
HK$24,744 HKD
View
Most Expensive
C
NZ Jewellers
5e02116b-a3d5-461c-a2b6-f88d2a221da3 · Nov 5
HK$35,672 HKD
$4,547 USD
View
6 more retailers have this diamond
Prices start from HK$13,698 HKDSave up to HK$21,974 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
1.28ct Round
HK$13,698 HKD