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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3425192437

Certificate GIA 3425192437

Diamond specifications and retailer prices

From €539 EUR
As of November 5, 2026
Save €1,695 EUR (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,234 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 GIA 3425192437. Listed at 19 retailers as of November 5, 2026, with prices from €539 to €2,234, a €1,695 spread on the same certified stone. NZ Jewellers lists it at €2,234. 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 angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425192437
Dimensions6.01 × 5.99 × 3.68 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.01 mm5.99 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425192437
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €2,234 EUR|Low: €539 EUR|High: €2,278 EUR|Avg: €890 EUR|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15€539 EUR
Retailer 10€547 EUR
Retailer 8€702 EUR
Retailer 3€712 EUR
Retailer 16€723 EUR
Retailer 9€728 EUR
Retailer 5€739 EUR
Retailer 18€741 EUR
Retailer 11€759 EUR
Retailer 4€821 EUR
Retailer 17€830 EUR
Retailer 12€838 EUR
Retailer 7€846 EUR
Retailer 14€854 EUR
Retailer 2€940 EUR
Retailer 13€947 EUR
Retailer 6€1,309 EUR
NZ Jewellers€2,234 EUR

16 data points across 18 retailers

19 retailers€539 EUR to €2,234 EUR

A
Cheapest Retailer
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€539 EUR
A
Retailer 2
-
€547 EUR
View
A
Retailer 3
-
€702 EUR
View
A
Retailer 4
-
€712 EUR
View
A
Retailer 5
-
€723 EUR
View
Retailer 6
-
€728 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
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€739 EUR
View
A
Retailer 8
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€741 EUR
View
A
Retailer 9
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€759 EUR
View
Retailer 10
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€806 EUR
View
Price last confirmed 30 days ago
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Retailer 11
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€821 EUR
View
A
Retailer 12
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€830 EUR
View
A
Retailer 13
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€838 EUR
View
A
Retailer 14
-
€846 EUR
View
A
Retailer 15
-
€854 EUR
View
A
Retailer 16
-
€940 EUR
View
B+
Retailer 17
-
€947 EUR
View
B
Retailer 18
-
€1,309 EUR
View
Most Expensive
B
NZ Jewellers
e5fc6c79-4b1a-4ec2-b2f7-f794fd5eedf2 · Nov 5
€2,234 EUR
$2,507 USD
View
18 more retailers have this diamond
Prices start from €539 EURSave up to €1,695 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
€539 EUR