Round|Natural|GIA

0.82ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6451590559

Certificate GIA 6451590559

Diamond specifications and retailer prices

From €1,204 EUR
$1,345 USD
As of November 1, 2026
Save €1,649 EUR (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €2,853 EUR at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.82ct natural round diamond

This 0.82ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451590559. Listed at 5 retailers as of November 1, 2026, with prices from €1,204 to €2,853, a €1,649 spread on the same certified stone. Diamond Quarter lists it at €2,853. 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

0.82
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451590559
Dimensions5.96 × 5.95 × 3.76 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.96 mm5.95 mm0.82 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451590559
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,578 EUR|Low: €1,204 EUR|High: €2,533 EUR|Avg: €1,702 EUR|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4€1,204 EUR
Retailer 5€1,318 EUR
Retailer 1€1,578 EUR
Retailer 2€1,943 EUR
Retailer 3€2,502 EUR

37 data points across 5 retailers

5 retailers€1,204 EUR to €2,853 EUR

A
Cheapest Retailer
-
€1,204 EUR
$1,345 USD
B+
Retailer 2
-
€1,578 EUR
£1,388 GBP
View
B
Retailer 3
-
€1,943 EUR
View
B
Retailer 4
-
€2,502 EUR
£2,201 GBP
View
Most Expensive
B
Diamond Quarter
0.82SI2H6459526CN · Nov 2
€2,853 EUR
£2,510 GBP
View
4 more retailers have this diamond
Prices start from €1,204 EURSave up to €1,649 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
0.82ct Round
€1,204 EUR