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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From €2,569 EUR
As of November 4, 2026
Save €2,949 EUR (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,517 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523721555. Listed at 20 retailers as of November 4, 2026, with prices from €2,569 to €5,517, a €2,949 spread on the same certified stone. NZ Jewellers lists it at €5,517. 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523721555
Dimensions6.50 × 6.48 × 4.04 mm
L/W Ratio1.00
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Needle, Indented Natural
Top View
6.50 mm6.48 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523721555
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €5,517 EUR|Low: €2,136 EUR|High: €5,517 EUR|Avg: €3,347 EUR
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
November 7, 2026
Retailer 5€2,569 EUR
Retailer 4€2,571 EUR
Retailer 3€2,620 EUR
Retailer 10€2,869 EUR
Retailer 13€2,869 EUR
Retailer 11€2,980 EUR
Retailer 7€3,030 EUR
Retailer 2€3,257 EUR
Retailer 14€3,310 EUR
Retailer 6€3,392 EUR
Retailer 9€3,457 EUR
Retailer 8€3,866 EUR
Retailer 12€5,324 EUR
NZ Jewellers€5,517 EUR

32 data points across 14 retailers

20 retailers€2,569 EUR to €5,517 EUR

B+
Cheapest Retailer
-
€2,569 EUR
B+
Retailer 2
-
€2,571 EUR
View
B+
Retailer 3
-
€2,620 EUR
View
B+
Retailer 4
-
€2,681 EUR
View
Retailer 5
-
€2,869 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€2,869 EUR
View
B
Retailer 7
-
€2,980 EUR
View
B+
Retailer 8
-
€3,030 EUR
View
B+
Retailer 9
-
€3,085 EUR
View
B+
Retailer 10
-
€3,257 EUR
View
B
Retailer 11
-
€3,260 EUR
View
B
Retailer 12
-
€3,260 EUR
View
B
Retailer 13
-
€3,310 EUR
View
B
Retailer 14
-
€3,368 EUR
View
Retailer 15
-
€3,392 EUR
View
Price last confirmed 30 days ago
B+
Retailer 16
-
€3,457 EUR
View
Retailer 17
-
€3,588 EUR
View
Price last confirmed 15 days ago
B
Retailer 18
-
€3,866 EUR
View
Retailer 19
-
€5,324 EUR
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
€5,517 EUR
$6,160 USD
View
19 more retailers have this diamond
Prices start from €2,569 EURSave up to €2,949 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.

B+
1.05ct Round
€2,569 EUR