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Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 2556704378

Certificate GIA 2556704378

Diamond specifications and retailer prices

From €3,962 EUR
$4,444 USD
As of November 2, 2026
Save €2,875 EUR (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,479 EUR at NZ Jewellers · As of September 14, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2556704378. Listed at 16 retailers as of November 2, 2026, with a 73% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556704378
Dimensions6.52 × 6.48 × 4.06 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
6.52 mm6.48 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556704378
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 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 2
Current: €4,206 EUR|Low: €3,632 EUR|High: €6,920 EUR|Avg: €4,735 EUR|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€3,962 EUR
Retailer 2€4,097 EUR
Retailer 1€4,206 EUR
Retailer 9€4,293 EUR
Retailer 8€4,350 EUR
Retailer 3€4,390 EUR
Retailer 6€4,778 EUR
Retailer 10€4,987 EUR
Retailer 5€5,277 EUR
Retailer 4€6,837 EUR

33 data points across 10 retailers

16 retailers€3,962 EUR to €6,837 EUR

B+
Cheapest Retailer
-
€3,962 EUR
$4,444 USD
Final sale: no returns
B+
Retailer 2
-
€4,097 EUR
$4,595 USD
View
B+
Retailer 3
-
€4,206 EUR
£3,715 GBP
View
Retailer 4
-
€4,293 EUR
$4,815 USD
View
Price last confirmed 47 days ago
Retailer 5
-
€4,293 EUR
$4,815 USD
View
Price last confirmed 32 days ago
Retailer 6
-
€4,293 EUR
$4,815 USD
View
Price last confirmed 34 days ago
Retailer 7
-
€4,350 EUR
A$7,506 AUD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
€4,390 EUR
View
B+
Retailer 9
-
€4,778 EUR
£4,220 GBP
View
Retailer 10
-
€4,954 EUR
$5,556 USD
View
Price last confirmed 49 days ago
Retailer 11
-
€4,954 EUR
$5,556 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
€4,987 EUR
£4,404 GBP
View
B+
Retailer 13
-
€5,277 EUR
ZAR 95,611 ZAR
View
B
Retailer 14
-
€6,837 EUR
£6,038 GBP
View
Retailer 15
-
€7,479 EUR
$8,388 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
be3f90e6-48a6-4a5f-997e-21a9a6bde51e · Sep 14
€7,479 EUR
$8,388 USD
View
Price last confirmed 49 days ago
15 more retailers have this diamond
Prices start from €3,962 EURSave up to €2,875 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
€3,962 EUR