Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 2558478534

Certificate GIA 2558478534

Diamond specifications and retailer prices

From $2,547 USD
As of November 4, 2026
Save $3,454 USD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,001 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2558478534. Listed at 19 retailers as of November 4, 2026, with prices from $2,547 to $6,001, a $3,454 spread on the same certified stone. NZ Jewellers lists it at $6,001. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558478534
Dimensions6.33 × 6.38 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.33 mm6.38 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2558478534
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,001 USD|Low: $2,547 USD|High: $6,001 USD|Avg: $3,983 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
November 5, 2026
Retailer 13$2,547 USD
Retailer 9$2,872 USD
Retailer 14$3,179 USD
Retailer 11$3,196 USD
Retailer 7$3,288 USD
Retailer 5$3,444 USD
Retailer 4$3,577 USD
Retailer 3$3,693 USD
Retailer 6$3,974 USD
Retailer 10$3,975 USD
Retailer 2$4,006 USD
Retailer 12$4,233 USD
Retailer 8$5,745 USD
NZ Jewellers$6,001 USD

44 data points across 14 retailers

19 retailers$2,547 USD to $6,001 USD

A
Cheapest Retailer
-
$2,547 USD
A
Retailer 2
-
$2,872 USD
View
A
Retailer 3
-
$3,057 USD
View
A
Retailer 4
-
$3,179 USD
View
Final sale: no returns
A
Retailer 5
-
$3,196 USD
View
A
Retailer 6
-
$3,288 USD
View
A
Retailer 7
-
$3,339 USD
View
A
Retailer 8
-
$3,444 USD
View
Retailer 9
-
$3,536 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$3,577 USD
View
Retailer 11
-
$3,693 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$3,785 USD
View
B+
Retailer 13
-
$3,974 USD
View
B+
Retailer 14
-
$3,975 USD
View
B+
Retailer 15
-
$4,006 USD
View
B+
Retailer 16
-
$4,233 USD
View
B
Retailer 17
-
$4,901 USD
View
B+
Retailer 18
-
$5,745 USD
View
Most Expensive
B
NZ Jewellers
f6228937-44fb-42ff-aabc-db2c2da6da36 · Nov 5
$6,001 USD
View
18 more retailers have this diamond
Prices start from $2,547 USDSave up to $3,454 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
1.00ct Round
$2,547 USD