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Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552400407

Certificate GIA 6552400407

Diamond specifications and retailer prices

From €966 EUR
$1,079 USD
As of November 1, 2026
Save €1,493 EUR (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,459 EUR at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552400407. Listed at 15 retailers as of October 30, 2026, with prices from €966 to €2,459, a €1,493 spread on the same certified stone. NZ Jewellers lists it at €2,459. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552400407
Dimensions5.90 × 5.94 × 3.72 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud
Top View
5.90 mm5.94 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552400407
Side View
Table 58.0%Crown 35°Girdle: MED-SLIPavilion 41.4°Culet: NoneDepth 62.9%

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: €2,459 EUR|Low: €956 EUR|High: €2,459 EUR|Avg: €1,337 EUR|+1.0%
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
November 2, 2026
Retailer 13€966 EUR
Retailer 10€967 EUR
Retailer 3€1,008 EUR
Retailer 12€1,008 EUR
Retailer 2€1,143 EUR
Retailer 4€1,164 EUR
Retailer 11€1,194 EUR
Retailer 7€1,271 EUR
Retailer 5€1,305 EUR
Retailer 6€1,406 EUR
Retailer 9€1,491 EUR
Retailer 8€1,846 EUR
NZ Jewellers€2,459 EUR

34 data points across 13 retailers

15 retailers€966 EUR to €2,459 EUR

A
Cheapest Retailer
-
€966 EUR
$1,079 USD
A
Retailer 2
-
€967 EUR
$1,080 USD
View
Retailer 3
-
€967 EUR
$1,080 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
€1,008 EUR
$1,126 USD
View
A
Retailer 5
-
€1,008 EUR
$1,126 USD
View
A
Retailer 6
-
€1,047 EUR
$1,170 USD
View
A
Retailer 7
-
€1,143 EUR
£1,005 GBP
View
A
Retailer 8
-
€1,164 EUR
$1,300 USD
View
A
Retailer 9
-
€1,194 EUR
£1,050 GBP
View
A
Retailer 10
-
€1,271 EUR
£1,118 GBP
View
Retailer 11
-
€1,305 EUR
A$2,243 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
€1,406 EUR
View
B+
Retailer 13
-
€1,491 EUR
ZAR 26,913 ZAR
View
B+
Retailer 14
-
€1,846 EUR
£1,624 GBP
View
Most Expensive
B
NZ Jewellers
a8059c2e-eda3-4644-a80a-cce512508ee5 · Oct 30
€2,459 EUR
$2,747 USD
View
14 more retailers have this diamond
Prices start from €966 EURSave up to €1,493 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
€966 EUR