Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 2556704378

Certificate GIA 2556704378

Diamond specifications and retailer prices

From $4,595 USD
As of October 27, 2026
Save $3,083 USD (40%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,388 USD 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 15 retailers as of October 26, 2026, with a 67% 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: Oct 27
Current: $5,863 USD|Low: $4,074 USD|High: $7,761 USD|Avg: $5,345 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 6$4,444 USD
Retailer 9$4,595 USD
Retailer 2$4,713 USD
Retailer 7$4,879 USD
Retailer 5$5,359 USD
Retailer 3$5,425 USD
Retailer 8$5,593 USD
Retailer 1$5,863 USD
Retailer 4$7,678 USD

32 data points across 9 retailers

15 retailers$4,595 USD to $7,678 USD

B+
Cheapest Retailer
-
$4,595 USD
Returns within 40 days
B+
Retailer 2
-
$4,713 USD
£3,711 GBP
View
Returns within 30 days
B+
Retailer 3
-
$4,815 USD
View
Price last confirmed 43 days ago
Returns within 21 days
B+
Retailer 4
-
$4,815 USD
View
Price last confirmed 27 days ago
Returns within 21 days
B+
Retailer 5
-
$4,815 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$4,879 USD
A$7,506 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$5,359 USD
£4,220 GBP
View
Returns within 60 days
B+
Retailer 8
-
$5,425 USD
€5,167 EUR
View
Returns within 100 days
B+
Retailer 9
-
$5,556 USD
View
Price last confirmed 44 days ago
Returns within 30 days
B+
Retailer 10
-
$5,556 USD
View
Price last confirmed 30 days ago
Returns within 30 days
B+
Retailer 11
-
$5,593 USD
£4,404 GBP
View
Returns within 30 days
B+
Retailer 12
-
$5,863 USD
ZAR 94,718 ZAR
View
Returns within 7 days
B
Retailer 13
-
$7,678 USD
£6,046 GBP
View
B
Retailer 14
-
$8,388 USD
View
Price last confirmed 31 days ago
Returns within 30 days
Most Expensive
B
NZ Jewellers
be3f90e6-48a6-4a5f-997e-21a9a6bde51e · Sep 14
$8,388 USD
View
Price last confirmed 44 days ago
Returns within 30 days
14 more retailers have this diamond
Prices start from $4,595 USDSave up to $3,083 USD

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
$4,595 USD