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Round|Natural|IGI

1.23ct J IF Round Natural Diamond

EX • J/IF • IGI 627491779

Shape and cutting style on the report: Round brilliant

Certificate IGI 627491779

Diamond specifications and retailer prices

From HK$20,054 HKD
$2,556 USD
As of November 1, 2026
Save HK$26,770 HKD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$46,823 HKD at NZ Jewellers · As of September 21, 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 IGI 627491779. Listed at 18 retailers as of October 30, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Crown angle34.3°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 627491779
Dimensions6.96 × 6.88 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.96 mm6.88 mm1.23 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 627491779
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.6%

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 1
Current: HK$46,823 HKD|Low: HK$20,054 HKD|High: HK$48,039 HKD|Avg: HK$27,031 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3HK$20,054 HKD
Retailer 9HK$20,367 HKD
Retailer 7HK$21,929 HKD
Retailer 8HK$22,392 HKD
Retailer 11HK$22,392 HKD
Retailer 2HK$24,227 HKD
Retailer 4HK$26,106 HKD
Retailer 10HK$26,205 HKD
Retailer 5HK$27,528 HKD
Retailer 6HK$39,448 HKD
NZ JewellersHK$46,823 HKD

39 data points across 11 retailers

18 retailersHK$20,054 HKD to HK$46,823 HKD

A
Cheapest Retailer
-
HK$20,054 HKD
$2,556 USD
A
Retailer 2
-
HK$20,367 HKD
$2,596 USD
View
Retailer 3
-
HK$21,661 HKD
$2,761 USD
View
Price last confirmed 98 days ago
A
Retailer 4
-
HK$21,929 HKD
$2,795 USD
View
Retailer 5
-
HK$22,392 HKD
$2,854 USD
View
Price last confirmed 51 days ago
Retailer 6
-
HK$22,392 HKD
$2,854 USD
View
Price last confirmed 39 days ago
A
Retailer 7
-
HK$22,392 HKD
$2,854 USD
View
A
Retailer 8
-
HK$22,392 HKD
$2,854 USD
View
A
Retailer 9
-
HK$24,227 HKD
£2,431 GBP
View
Retailer 10
-
HK$25,844 HKD
$3,294 USD
View
Price last confirmed 56 days ago
Retailer 11
-
HK$25,844 HKD
$3,294 USD
View
Price last confirmed 41 days ago
A
Retailer 12
-
HK$26,106 HKD
€3,169 EUR
View
A
Retailer 13
-
HK$26,205 HKD
£2,630 GBP
View
B+
Retailer 14
-
HK$27,528 HKD
ZAR 56,683 ZAR
View
B
Retailer 15
-
HK$39,448 HKD
£3,959 GBP
View
Retailer 16
-
HK$46,823 HKD
$5,968 USD
View
Price last confirmed 52 days ago
B
Retailer 17
-
HK$46,823 HKD
$5,968 USD
View
Most Expensive
NZ Jewellers
89f197e9-43bb-453c-ac5d-c579ccc2a5d9 · Sep 21
HK$46,823 HKD
$5,968 USD
View
Price last confirmed 41 days ago
17 more retailers have this diamond
Prices start from HK$20,054 HKDSave up to HK$26,770 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
1.23ct Round
HK$20,054 HKD