Round|Natural|IGI

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 817606753

Shape and cutting style on the report: Round brilliant

Certificate IGI 817606753

Diamond specifications and retailer prices

From HK$13,292 HKD
£1,334 GBP
As of October 30, 2026
Save HK$11,658 HKD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$34,545 HKD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 817606753. Listed at 7 retailers as of October 29, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.15
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 817606753
Dimensions6.69 × 6.72 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Faint Yellowish Green
Top View
6.69 mm6.72 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 817606753
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 41.5°CuletDepth 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: Oct 30
Current: HK$18,980 HKD|Low: HK$13,247 HKD|High: HK$25,109 HKD|Avg: HK$18,479 HKD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2HK$13,292 HKD
Retailer 4HK$15,656 HKD
Retailer 1HK$18,980 HKD
Retailer 3HK$24,950 HKD

30 data points across 4 retailers

7 retailersHK$13,292 HKD to HK$24,950 HKD

A
Cheapest Retailer
-
HK$13,292 HKD
£1,334 GBP
Retailer 2
-
HK$14,161 HKD
$1,805 USD
View
Price last confirmed 23 days ago
Retailer 3
-
HK$14,821 HKD
$1,889 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
HK$15,656 HKD
$1,995 USD
View
A
Retailer 5
-
HK$18,980 HKD
€2,304 EUR
View
B+
Retailer 6
-
HK$24,950 HKD
£2,504 GBP
View
Most Expensive
NZ Jewellers
6a9c731f-3c81-40ec-aacc-ec1a56571c28 · Oct 11
HK$34,545 HKD
$4,403 USD
View
Price last confirmed 22 days ago
6 more retailers have this diamond
Prices start from HK$13,292 HKDSave up to HK$11,658 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
1.15ct Round
HK$13,292 HKD