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1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 830652864

Shape and cutting style on the report: Round brilliant

Certificate IGI 830652864

Diamond specifications and retailer prices

From HK$13,886 HKD
₹168,557 INR
As of November 1, 2026
Save HK$24,001 HKD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$37,887 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct 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 830652864. Listed at 15 retailers as of October 30, 2026, with prices from HK$13,886 to HK$37,887, a HK$24,001 spread on the same certified stone. NZ Jewellers lists it at HK$37,887. 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

1.29
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 830652864
Dimensions6.91 × 6.94 × 4.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.91 mm6.94 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830652864
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

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$37,887 HKD|Low: HK$13,853 HKD|High: HK$37,887 HKD|Avg: HK$20,157 HKD|+3.4%
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 8HK$13,886 HKD
Retailer 6HK$16,374 HKD
Retailer 15HK$16,672 HKD
Retailer 7HK$16,719 HKD
Retailer 9HK$17,198 HKD
Retailer 14HK$17,347 HKD
Retailer 4HK$18,124 HKD
Retailer 12HK$18,124 HKD
Retailer 13HK$18,963 HKD
Retailer 3HK$19,218 HKD
Retailer 11HK$20,775 HKD
Retailer 5HK$20,909 HKD
Retailer 2HK$21,534 HKD
Retailer 10HK$31,755 HKD
NZ JewellersHK$37,887 HKD

27 data points across 15 retailers

15 retailersHK$13,886 HKD to HK$37,887 HKD

A
Cheapest Retailer
-
HK$13,886 HKD
₹168,557 INR
A
Retailer 2
-
HK$16,374 HKD
$2,087 USD
View
A
Retailer 3
-
HK$16,672 HKD
$2,125 USD
View
B+
Retailer 4
-
HK$16,719 HKD
$2,131 USD
View
Final sale: no returns
A
Retailer 5
-
HK$17,198 HKD
£1,726 GBP
View
A
Retailer 6
-
HK$17,347 HKD
$2,211 USD
View
A
Retailer 7
-
HK$18,124 HKD
$2,310 USD
View
A
Retailer 8
-
HK$18,124 HKD
$2,310 USD
View
A
Retailer 9
-
HK$18,963 HKD
$2,417 USD
View
A
Retailer 10
-
HK$19,218 HKD
$2,450 USD
View
A
Retailer 11
-
HK$20,775 HKD
£2,085 GBP
View
A
Retailer 12
-
HK$20,909 HKD
$2,665 USD
View
A
Retailer 13
-
HK$21,534 HKD
€2,614 EUR
View
B+
Retailer 14
-
HK$31,755 HKD
£3,187 GBP
View
Most Expensive
B
NZ Jewellers
281202a8-381d-4f81-ad21-f72f26e4eae4 · Oct 30
HK$37,887 HKD
$4,829 USD
View
14 more retailers have this diamond
Prices start from HK$13,886 HKDSave up to HK$24,001 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
1.29ct Round
HK$13,886 HKD