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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6545006193

Certificate GIA 6545006193

Diamond specifications and retailer prices

From €550 EUR
As of November 5, 2026
Save €1,721 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,271 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545006193. Listed at 20 retailers as of November 5, 2026, with prices from €550 to €2,271, a €1,721 spread on the same certified stone. NZ Jewellers lists it at €2,271. 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

0.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545006193
Dimensions5.92 × 5.87 × 3.72 mm
L/W Ratio1.01
Top View
5.92 mm5.87 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545006193
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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: €2,271 EUR|Low: €550 EUR|High: €2,323 EUR|Avg: €915 EUR|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 17€550 EUR
Retailer 12€559 EUR
Retailer 7€724 EUR
Retailer 9€734 EUR
Retailer 11€742 EUR
Retailer 20€752 EUR
Retailer 8€755 EUR
Retailer 13€773 EUR
Retailer 19€805 EUR
Retailer 10€836 EUR
Retailer 3€842 EUR
Retailer 6€854 EUR
Retailer 14€858 EUR
Retailer 16€870 EUR
Retailer 4€873 EUR
Retailer 2€908 EUR
Retailer 15€965 EUR
Retailer 18€1,071 EUR
Retailer 5€1,326 EUR
NZ Jewellers€2,271 EUR

15 data points across 20 retailers

20 retailers€550 EUR to €2,271 EUR

A
Cheapest Retailer
-
€550 EUR
A
Retailer 2
-
€559 EUR
View
A
Retailer 3
-
€724 EUR
View
A
Retailer 4
-
€734 EUR
View
Retailer 5
-
€742 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€752 EUR
View
A
Retailer 7
-
€755 EUR
View
A
Retailer 8
-
€773 EUR
View
B+
Retailer 9
-
€805 EUR
View
A
Retailer 10
-
€836 EUR
View
A
Retailer 11
-
€842 EUR
View
A
Retailer 12
-
€854 EUR
View
A
Retailer 13
-
€858 EUR
View
A
Retailer 14
-
€870 EUR
View
A
Retailer 15
-
€873 EUR
View
A
Retailer 16
-
€908 EUR
View
A
Retailer 17
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€965 EUR
View
B+
Retailer 18
-
€1,071 EUR
View
B+
Retailer 19
-
€1,326 EUR
View
Most Expensive
B
NZ Jewellers
ef739d07-087a-4231-97c0-db4d0ff768af · Nov 5
€2,271 EUR
$2,549 USD
View
19 more retailers have this diamond
Prices start from €550 EURSave up to €1,721 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
0.80ct Round
€550 EUR