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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 $953 NZD
As of November 5, 2026
Save $2,992 NZD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,946 NZD 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 $953 to $3,946, a $2,992 spread on the same certified stone. NZ Jewellers lists it at $3,946. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,946 NZD|Low: $953 NZD|High: $4,102 NZD|Avg: $1,692 NZD|-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 8$953 NZD
Retailer 9$1,258 NZD
Retailer 3$1,295 NZD
Retailer 10$1,306 NZD
Retailer 4$1,338 NZD
Retailer 7$1,452 NZD
Retailer 2$1,492 NZD
Retailer 6$1,525 NZD
Retailer 12$1,567 NZD
Retailer 5$1,676 NZD
Retailer 11$2,332 NZD
NZ Jewellers$3,946 NZD

23 data points across 12 retailers

12 retailers$953 NZD to $3,946 NZD

A
Cheapest Retailer
-
$953 NZD
A
Retailer 2
-
$1,258 NZD
View
Retailer 3
-
$1,295 NZD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,306 NZD
View
Retailer 5
-
$1,338 NZD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,452 NZD
View
A
Retailer 7
-
$1,492 NZD
View
A
Retailer 8
-
$1,525 NZD
View
A
Retailer 9
-
$1,567 NZD
View
A
Retailer 10
-
$1,676 NZD
View
B+
Retailer 11
-
$2,332 NZD
View
Most Expensive
B
NZ Jewellers
73dd6ff7-f892-4d8f-b344-4a756050168b · Nov 5
$3,946 NZD
$2,218 USD
View
11 more retailers have this diamond
Prices start from $953 NZDSave up to $2,992 NZD

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
$953 NZD