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Round|Natural|GIA

1.23ct J IF Round Natural Diamond

EX • J/IF • GIA 1557801478

Certificate GIA 1557801478

Diamond specifications and retailer prices

From HK$31,506 HKD
A$6,178 AUD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: HK$54,834 HKD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1557801478. Listed at 9 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1557801478
Dimensions6.75 × 6.81 × 4.25 mm
L/W Ratio1.01
Top View
6.75 mm6.81 mm1.23 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557801478
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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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$54,834 HKD|Low: HK$23,098 HKD|High: HK$55,344 HKD|Avg: HK$33,707 HKD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 7, 2026
Retailer 8HK$23,098 HKD
Retailer 10HK$28,056 HKD
Retailer 4HK$28,459 HKD
Retailer 9HK$29,337 HKD
Retailer 5HK$31,469 HKD
Retailer 3HK$31,506 HKD
Retailer 11HK$31,767 HKD
Retailer 6HK$34,364 HKD
Retailer 2HK$34,797 HKD
Retailer 7HK$53,268 HKD
NZ JewellersHK$54,834 HKD

16 data points across 11 retailers

9 retailers

Retailer 1
-
HK$23,098 HKD
Price last confirmed 21 days ago
Retailer 2
-
HK$28,056 HKD
$3,576 USD
View
Price last confirmed 12 days ago
Retailer 3
-
HK$28,459 HKD
£2,856 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
HK$29,337 HKD
SGD 5,053 SGD
View
Price last confirmed 25 days ago
Retailer 5
-
HK$31,469 HKD
$4,011 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$31,506 HKD
A$6,178 AUD
View
Retailer 7
-
HK$31,767 HKD
$4,049 USD
View
Price last confirmed 33 days ago
Retailer 8
-
HK$53,268 HKD
£5,346 GBP
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
f286b7d2-b21d-4d38-a1c6-0baaf2cd7af2 · Oct 6
HK$54,834 HKD
$6,989 USD
View
Price last confirmed 26 days ago
8 more retailers have this diamond
Prices start from HK$31,506 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$31,506 HKD