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0.91ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 815674379

Shape and cutting style on the report: Round brilliant

Certificate IGI 815674379

Diamond specifications and retailer prices

From HK$4,205 HKD
As of November 5, 2026
Save HK$13,196 HKD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$17,401 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.91ct natural round diamond

This 0.91ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815674379. Listed at 12 retailers as of November 5, 2026, with prices from HK$4,205 to HK$17,401, a HK$13,196 spread on the same certified stone. NZ Jewellers lists it at HK$17,401. 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

0.91
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 815674379
Dimensions6.16 × 6.19 × 3.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeMedium
Top View
6.16 mm6.19 mm0.91 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815674379
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 41.2°Culet: MediumDepth 63.0%

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 5
Current: HK$17,401 HKD|Low: HK$4,205 HKD|High: HK$18,091 HKD|Avg: HK$7,460 HKD|-3.8%
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 6, 2026
Retailer 8HK$4,205 HKD
Retailer 9HK$5,547 HKD
Retailer 3HK$5,711 HKD
Retailer 10HK$5,758 HKD
Retailer 4HK$5,900 HKD
Retailer 7HK$6,402 HKD
Retailer 2HK$6,582 HKD
Retailer 6HK$6,723 HKD
Retailer 12HK$6,912 HKD
Retailer 5HK$7,390 HKD
Retailer 11HK$10,285 HKD
NZ JewellersHK$17,401 HKD

23 data points across 12 retailers

12 retailersHK$4,205 HKD to HK$17,401 HKD

A
Cheapest Retailer
-
HK$4,205 HKD
A
Retailer 2
-
HK$5,547 HKD
View
Retailer 3
-
HK$5,711 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$5,758 HKD
View
Retailer 5
-
HK$5,900 HKD
View
Price last confirmed 17 days ago
A
Retailer 6
-
HK$6,402 HKD
View
A
Retailer 7
-
HK$6,582 HKD
View
A
Retailer 8
-
HK$6,723 HKD
View
A
Retailer 9
-
HK$6,912 HKD
View
A
Retailer 10
-
HK$7,390 HKD
View
B+
Retailer 11
-
HK$10,285 HKD
View
Most Expensive
B
NZ Jewellers
73dd6ff7-f892-4d8f-b344-4a756050168b · Nov 5
HK$17,401 HKD
$2,218 USD
View
11 more retailers have this diamond
Prices start from HK$4,205 HKDSave up to HK$13,196 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
0.91ct Round
HK$4,205 HKD