CaratHunter
Plans
Round|Natural|IGI

1.25ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 670479480

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479480

Diamond specifications and retailer prices

From HK$17,614 HKD
$2,245 USD
As of October 30, 2026
Save HK$23,145 HKD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$40,758 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479480. Listed at 11 retailers as of October 30, 2026, with prices from HK$17,614 to HK$40,758, a HK$23,145 spread on the same certified stone. NZ Jewellers lists it at HK$40,758. 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

1.25
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479480
Dimensions6.90 × 6.95 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.95 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479480
Side View
Table 61.0%Crown 32°Girdle: Slightly ThickPavilion 41.6°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: Oct 30
Current: HK$40,758 HKD|Low: HK$12,137 HKD|High: HK$40,758 HKD|Avg: HK$21,954 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
October 30, 2026
Retailer 6HK$12,137 HKD
Retailer 5HK$17,614 HKD
Retailer 9HK$17,998 HKD
Retailer 7HK$18,112 HKD
Retailer 14HK$18,547 HKD
Retailer 11HK$19,497 HKD
Retailer 13HK$19,497 HKD
Retailer 10HK$20,399 HKD
Retailer 4HK$20,596 HKD
Retailer 12HK$22,494 HKD
Retailer 2HK$22,852 HKD
Retailer 3HK$23,198 HKD
Retailer 8HK$33,389 HKD
NZ JewellersHK$40,758 HKD

34 data points across 14 retailers

11 retailersHK$17,614 HKD to HK$40,758 HKD

A
Cheapest Retailer
-
HK$17,614 HKD
$2,245 USD
A
Retailer 2
-
HK$17,998 HKD
$2,294 USD
View
Final sale: no returns
A
Retailer 3
-
HK$18,112 HKD
£1,818 GBP
View
A
Retailer 4
-
HK$19,497 HKD
$2,485 USD
View
A
Retailer 5
-
HK$19,497 HKD
$2,485 USD
View
A
Retailer 6
-
HK$20,399 HKD
$2,600 USD
View
A
Retailer 7
-
HK$20,596 HKD
$2,625 USD
View
A
Retailer 8
-
HK$22,494 HKD
$2,867 USD
View
A
Retailer 9
-
HK$22,852 HKD
€2,774 EUR
View
B+
Retailer 10
-
HK$33,389 HKD
£3,351 GBP
View
Most Expensive
B
NZ Jewellers
847bf1c9-4f0d-461b-afc1-baf01741f4bf · Oct 30
HK$40,758 HKD
$5,195 USD
View
10 more retailers have this diamond
Prices start from HK$17,614 HKDSave up to HK$23,145 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
1.25ct Round
HK$17,614 HKD