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Heart|Natural|IGI

1.23ct G VVS1 Heart Natural Diamond

VG • G/VVS1 • IGI 851618603

Shape and cutting style on the report: Heart brilliant

Certificate IGI 851618603

Diamond specifications and retailer prices

From HK$25,080 HKD
As of November 6, 2026
Save HK$33,842 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$58,922 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 851618603. Listed at 12 retailers as of November 5, 2026, with prices from HK$25,080 to HK$58,922, a HK$33,842 spread on the same certified stone. NZ Jewellers lists it at HK$58,922. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
G
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 851618603
Dimensions6.59 × 7.26 × 4.43 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
6.59 mm7.26 mm1.23 ctG / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 851618603
Side View
Table 54.0%Crown 33.1°Girdle: STK-THKPavilion 39.5°CuletDepth 61.0%

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$58,922 HKD|Low: HK$25,080 HKD|High: HK$58,922 HKD|Avg: HK$35,608 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
November 7, 2026
Retailer 6HK$25,080 HKD
Retailer 3HK$27,400 HKD
Retailer 10HK$30,049 HKD
Retailer 7HK$30,801 HKD
Retailer 11HK$31,216 HKD
Retailer 9HK$33,818 HKD
Retailer 12HK$33,818 HKD
Retailer 5HK$35,237 HKD
Retailer 8HK$35,754 HKD
Retailer 4HK$39,022 HKD
Retailer 2HK$53,576 HKD
NZ JewellersHK$58,922 HKD

5 data points across 12 retailers

12 retailersHK$25,080 HKD to HK$58,922 HKD

A
Cheapest Retailer
-
HK$25,080 HKD
A
Retailer 2
-
HK$27,400 HKD
View
B+
Retailer 3
-
HK$30,049 HKD
View
B+
Retailer 4
-
HK$30,801 HKD
View
B+
Retailer 5
-
HK$31,216 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$33,818 HKD
View
B+
Retailer 7
-
HK$33,818 HKD
View
B+
Retailer 8
-
HK$35,237 HKD
View
B+
Retailer 9
-
HK$35,754 HKD
View
B
Retailer 10
-
HK$39,022 HKD
View
B
Retailer 11
-
HK$53,576 HKD
View
Most Expensive
B
NZ Jewellers
d3ccc593-a6fa-4142-850b-d3d27c1aa763 · Nov 5
HK$58,922 HKD
$7,518 USD
View
11 more retailers have this diamond
Prices start from HK$25,080 HKDSave up to HK$33,842 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 Heart
HK$25,080 HKD