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0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 630424737

Shape and cutting style on the report: Round brilliant

Certificate IGI 630424737

Diamond specifications and retailer prices

From $1,071 NZD
As of November 5, 2026
Save $2,288 NZD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,359 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct 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 630424737. Listed at 11 retailers as of November 5, 2026, with prices from $1,071 to $3,359, a $2,288 spread on the same certified stone. NZ Jewellers lists it at $3,359. 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

0.81
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 630424737
Dimensions5.90 × 5.92 × 3.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.90 mm5.92 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 630424737
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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: $3,359 NZD|Low: $1,071 NZD|High: $3,359 NZD|Avg: $1,618 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$1,071 NZD
Retailer 5$1,153 NZD
Retailer 10$1,169 NZD
Retailer 8$1,236 NZD
Retailer 9$1,304 NZD
Retailer 6$1,382 NZD
Retailer 3$1,418 NZD
Retailer 2$1,569 NZD
Retailer 4$2,469 NZD
NZ Jewellers$3,359 NZD

38 data points across 10 retailers

11 retailers$1,071 NZD to $3,359 NZD

A
Cheapest Retailer
-
$1,071 NZD
Retailer 2
-
$1,153 NZD
View
Price last confirmed 8 days ago
Retailer 3
-
$1,236 NZD
View
Price last confirmed 60 days ago
A
Retailer 4
-
$1,236 NZD
View
B+
Retailer 5
-
$1,304 NZD
View
B+
Retailer 6
-
$1,382 NZD
View
A
Retailer 7
-
$1,418 NZD
View
A
Retailer 8
-
$1,569 NZD
View
B
Retailer 9
-
$2,469 NZD
View
Retailer 10
-
$3,359 NZD
View
Price last confirmed 66 days ago
Most Expensive
B
NZ Jewellers
aa7f5bd2-b465-44ac-9b85-4991bb5bb6e6 · Nov 5
$3,359 NZD
$1,888 USD
View
10 more retailers have this diamond
Prices start from $1,071 NZDSave up to $2,288 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
0.81ct Round
$1,071 NZD