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0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 651459938

Shape and cutting style on the report: Round brilliant

Certificate IGI 651459938

Diamond specifications and retailer prices

From €609 EUR
As of November 6, 2026
Save €933 EUR (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,541 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 651459938. Listed at 5 retailers as of November 5, 2026, with prices from €609 to €1,541, a €933 spread on the same certified stone. NZ Jewellers lists it at €1,541. 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 angle36.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 651459938
Dimensions5.94 × 5.95 × 3.71 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.94 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651459938
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

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 6
Current: €1,541 EUR|Low: €593 EUR|High: €1,556 EUR|Avg: €844 EUR|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5€609 EUR
Retailer 2€610 EUR
Retailer 3€728 EUR
Retailer 6€777 EUR
Retailer 4€1,141 EUR
NZ Jewellers€1,541 EUR

24 data points across 6 retailers

5 retailers€609 EUR to €1,541 EUR

A
Cheapest Retailer
-
€609 EUR
A
Retailer 2
-
€610 EUR
View
A
Retailer 3
-
€728 EUR
View
Retailer 4
-
€1,141 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
b2cb64f7-1b48-472c-979f-e062d6fb1685 · Nov 5
€1,541 EUR
$1,730 USD
View
4 more retailers have this diamond
Prices start from €609 EURSave up to €933 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
€609 EUR