Round|Natural|GIA

1.05ct J IF Round Natural Diamond

EX • J/IF • GIA 1455035312

Certificate GIA 1455035312

Diamond specifications and retailer prices

From $2,368 USD
As of November 1, 2026
Save $2,935 USD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,580 USD at NZ Jewellers · As of September 18, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1455035312. Listed at 22 retailers as of November 1, 2026, with a 124% 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
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1455035312
Dimensions6.55 × 6.51 × 3.97 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.55 mm6.51 mm1.05 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1455035312
Side View
Table 60.0%Crown 33°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 60.8%

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: $5,524 USD|Low: $2,342 USD|High: $5,524 USD|Avg: $3,463 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 16$2,368 USD
Retailer 13$2,384 USD
Retailer 9$2,927 USD
Retailer 10$2,958 USD
Retailer 17$2,960 USD
Retailer 7$3,171 USD
Retailer 19$3,171 USD
Retailer 2$3,265 USD
Retailer 8$3,290 USD
Retailer 5$3,293 USD
Retailer 6$3,314 USD
Retailer 11$3,433 USD
Retailer 3$3,543 USD
Retailer 4$3,644 USD
Retailer 18$3,659 USD
Retailer 12$3,696 USD
Retailer 15$3,897 USD
Retailer 14$5,303 USD
NZ Jewellers$5,524 USD

32 data points across 19 retailers

22 retailers$2,368 USD to $5,303 USD

A
Cheapest Retailer
-
$2,368 USD
A
Retailer 2
-
$2,384 USD
View
A
Retailer 3
-
$2,958 USD
View
A
Retailer 4
-
$2,960 USD
View
B+
Retailer 5
-
$3,066 USD
View
Retailer 6
-
$3,171 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$3,171 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$3,203 USD
View
Price last confirmed 50 days ago
B+
Retailer 9
-
$3,265 USD
View
Retailer 10
-
$3,290 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$3,293 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,314 USD
View
Retailer 13
-
$3,433 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$3,543 USD
View
B+
Retailer 15
-
$3,644 USD
View
B+
Retailer 16
-
$3,659 USD
View
Retailer 17
-
$3,695 USD
View
Price last confirmed 48 days ago
B+
Retailer 18
-
$3,696 USD
View
B
Retailer 19
-
$3,897 USD
View
B
Retailer 20
-
$5,303 USD
View
Retailer 21
-
$5,524 USD
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
3567f5c8-25d9-4390-b62a-0059aa918e68 · Sep 18
$5,580 USD
View
Price last confirmed 49 days ago
21 more retailers have this diamond
Prices start from $2,368 USDSave up to $2,935 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.

A
1.05ct Round
$2,368 USD