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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 $685 SGD
As of November 5, 2026
Save $2,148 SGD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,833 SGD 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 $685 to $2,833, a $2,148 spread on the same certified stone. NZ Jewellers lists it at $2,833. 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: $2,833 SGD|Low: $685 SGD|High: $2,945 SGD|Avg: $1,215 SGD|-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$685 SGD
Retailer 9$903 SGD
Retailer 3$930 SGD
Retailer 10$938 SGD
Retailer 4$961 SGD
Retailer 7$1,042 SGD
Retailer 2$1,072 SGD
Retailer 6$1,095 SGD
Retailer 12$1,125 SGD
Retailer 5$1,203 SGD
Retailer 11$1,675 SGD
NZ Jewellers$2,833 SGD

23 data points across 12 retailers

12 retailers$685 SGD to $2,833 SGD

A
Cheapest Retailer
-
$685 SGD
A
Retailer 2
-
$903 SGD
View
Retailer 3
-
$930 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$938 SGD
View
Retailer 5
-
$961 SGD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,042 SGD
View
A
Retailer 7
-
$1,072 SGD
View
A
Retailer 8
-
$1,095 SGD
View
A
Retailer 9
-
$1,125 SGD
View
A
Retailer 10
-
$1,203 SGD
View
B+
Retailer 11
-
$1,675 SGD
View
Most Expensive
B
NZ Jewellers
73dd6ff7-f892-4d8f-b344-4a756050168b · Nov 5
$2,833 SGD
$2,218 USD
View
11 more retailers have this diamond
Prices start from $685 SGDSave up to $2,148 SGD

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
$685 SGD