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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 €536 EUR
As of November 5, 2026
Save €1,146 EUR (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,682 EUR 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 €536 to €1,682, a €1,146 spread on the same certified stone. NZ Jewellers lists it at €1,682. 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

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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: €1,682 EUR|Low: €536 EUR|High: €1,682 EUR|Avg: €810 EUR
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€536 EUR
Retailer 5€577 EUR
Retailer 10€585 EUR
Retailer 8€619 EUR
Retailer 9€653 EUR
Retailer 6€692 EUR
Retailer 3€710 EUR
Retailer 2€786 EUR
Retailer 4€1,237 EUR
NZ Jewellers€1,682 EUR

38 data points across 10 retailers

11 retailers€536 EUR to €1,682 EUR

A
Cheapest Retailer
-
€536 EUR
Retailer 2
-
€577 EUR
View
Price last confirmed 8 days ago
Retailer 3
-
€619 EUR
View
Price last confirmed 60 days ago
A
Retailer 4
-
€619 EUR
View
B+
Retailer 5
-
€653 EUR
View
B+
Retailer 6
-
€692 EUR
View
A
Retailer 7
-
€710 EUR
View
A
Retailer 8
-
€786 EUR
View
B
Retailer 9
-
€1,237 EUR
View
Retailer 10
-
€1,682 EUR
View
Price last confirmed 66 days ago
Most Expensive
B
NZ Jewellers
aa7f5bd2-b465-44ac-9b85-4991bb5bb6e6 · Nov 5
€1,682 EUR
$1,888 USD
View
10 more retailers have this diamond
Prices start from €536 EURSave up to €1,146 EUR

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
€536 EUR