Round|Natural|IGI

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 754512323

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512323

Diamond specifications and retailer prices

From HK$22,178 HKD
₹269,216 INR
As of November 1, 2026
Save HK$25,814 HKD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$47,992 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512323. Listed at 18 retailers as of October 30, 2026, with prices from HK$22,178 to HK$47,992, a HK$25,814 spread on the same certified stone. NZ Jewellers lists it at HK$47,992. 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

1.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 754512323
Dimensions7.21 × 7.25 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.21 mm7.25 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512323
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

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$47,992 HKD|Low: HK$22,177 HKD|High: HK$49,511 HKD|Avg: HK$30,706 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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 2HK$22,178 HKD
Retailer 16HK$23,694 HKD
Retailer 7HK$24,455 HKD
Retailer 5HK$24,826 HKD
Retailer 8HK$25,420 HKD
Retailer 18HK$27,005 HKD
Retailer 6HK$27,546 HKD
Retailer 13HK$27,546 HKD
Retailer 4HK$28,028 HKD
Retailer 14HK$28,605 HKD
Retailer 15HK$28,683 HKD
Retailer 11HK$29,795 HKD
Retailer 10HK$31,783 HKD
Retailer 3HK$31,935 HKD
Retailer 12HK$32,029 HKD
Retailer 9HK$42,254 HKD
Retailer 17HK$46,124 HKD
NZ JewellersHK$47,992 HKD

36 data points across 18 retailers

18 retailersHK$22,178 HKD to HK$47,992 HKD

A
Cheapest Retailer
-
HK$22,178 HKD
₹269,216 INR
A
Retailer 2
-
HK$23,694 HKD
$3,020 USD
View
A
Retailer 3
-
HK$24,455 HKD
$3,117 USD
View
A
Retailer 4
-
HK$24,826 HKD
SGD 4,276 SGD
View
A
Retailer 5
-
HK$25,420 HKD
$3,240 USD
View
Final sale: no returns
A
Retailer 6
-
HK$27,005 HKD
$3,442 USD
View
A
Retailer 7
-
HK$27,546 HKD
$3,511 USD
View
A
Retailer 8
-
HK$27,546 HKD
$3,511 USD
View
A
Retailer 9
-
HK$28,028 HKD
$3,572 USD
View
A
Retailer 10
-
HK$28,605 HKD
$3,646 USD
View
A
Retailer 11
-
HK$28,683 HKD
$3,656 USD
View
A
Retailer 12
-
HK$29,795 HKD
£2,990 GBP
View
B+
Retailer 13
-
HK$31,783 HKD
$4,051 USD
View
A
Retailer 14
-
HK$31,935 HKD
£3,205 GBP
View
A
Retailer 15
-
HK$32,029 HKD
€3,888 EUR
View
B+
Retailer 16
-
HK$42,254 HKD
$5,386 USD
View
B+
Retailer 17
-
HK$46,124 HKD
£4,629 GBP
View
Most Expensive
B+
NZ Jewellers
00c94c50-0d12-4257-bd7e-735e84b4e8fe · Oct 30
HK$47,992 HKD
$6,117 USD
View
17 more retailers have this diamond
Prices start from HK$22,178 HKDSave up to HK$25,814 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
1.50ct Round
HK$22,178 HKD