Round|Natural|IGI

1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 623457656

Shape and cutting style on the report: Round brilliant

Certificate IGI 623457656

Diamond specifications and retailer prices

From HK$9,172 HKD
$1,169 USD
As of October 31, 2026
Save HK$15,079 HKD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$24,251 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623457656. Listed at 15 retailers as of October 30, 2026, with prices from HK$9,172 to HK$24,251, a HK$15,079 spread on the same certified stone. NZ Jewellers lists it at HK$24,251. 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

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 623457656
Dimensions6.40 × 6.36 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.36 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 623457656
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: Oct 31
Current: HK$24,251 HKD|Low: HK$8,411 HKD|High: HK$24,251 HKD|Avg: HK$12,075 HKD
NZ Jewellers
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
November 1, 2026
Retailer 13HK$9,172 HKD
Retailer 11HK$9,454 HKD
Retailer 9HK$9,596 HKD
Retailer 3HK$9,941 HKD
Retailer 5HK$9,941 HKD
Retailer 14HK$10,325 HKD
Retailer 15HK$10,566 HKD
Retailer 12HK$10,654 HKD
Retailer 6HK$11,001 HKD
Retailer 4HK$11,470 HKD
Retailer 10HK$11,807 HKD
Retailer 7HK$11,831 HKD
Retailer 8HK$13,164 HKD
Retailer 2HK$18,214 HKD
NZ JewellersHK$24,251 HKD

43 data points across 15 retailers

15 retailersHK$9,172 HKD to HK$24,251 HKD

A
Cheapest Retailer
-
HK$9,172 HKD
$1,169 USD
Final sale: no returns
Retailer 2
-
HK$9,454 HKD
$1,205 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$9,525 HKD
$1,214 USD
View
A
Retailer 4
-
HK$9,596 HKD
£963 GBP
View
A
Retailer 5
-
HK$9,941 HKD
$1,267 USD
View
A
Retailer 6
-
HK$9,941 HKD
$1,267 USD
View
A
Retailer 7
-
HK$10,325 HKD
$1,316 USD
View
A
Retailer 8
-
HK$10,566 HKD
$1,347 USD
View
A
Retailer 9
-
HK$10,654 HKD
$1,358 USD
View
A
Retailer 10
-
HK$11,001 HKD
$1,402 USD
View
B+
Retailer 11
-
HK$11,470 HKD
$1,462 USD
View
B+
Retailer 12
-
HK$11,807 HKD
£1,185 GBP
View
B+
Retailer 13
-
HK$13,164 HKD
€1,598 EUR
View
B
Retailer 14
-
HK$18,214 HKD
£1,828 GBP
View
Most Expensive
B
NZ Jewellers
1f95bea9-c9c5-410d-9912-8116841d46d3 · Oct 30
HK$24,251 HKD
$3,091 USD
View
14 more retailers have this diamond
Prices start from HK$9,172 HKDSave up to HK$15,079 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
1.01ct Round
HK$9,172 HKD