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Radiant|Natural|GIA

1.00ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557479858

Certificate GIA 2557479858

Diamond specifications and retailer prices

From $1,505 USD
As of November 6, 2026
Save $2,758 USD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,263 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557479858. Listed at 16 retailers as of November 5, 2026, with prices from $1,505 to $4,263, a $2,758 spread on the same certified stone. NZ Jewellers lists it at $4,263. 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

1.00
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557479858
Dimensions7.09 × 4.98 × 3.28 mm
L/W Ratio1.42
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
7.09 mm4.98 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557479858
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

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 6
Current: $4,263 USD|Low: $1,449 USD|High: $4,844 USD|Avg: $2,247 USD|-12.0%
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
November 7, 2026
Retailer 14$1,505 USD
Retailer 11$1,595 USD
Retailer 12$1,773 USD
Retailer 5$1,842 USD
Retailer 8$1,960 USD
Retailer 7$1,962 USD
Retailer 4$2,039 USD
Retailer 10$2,115 USD
Retailer 6$2,146 USD
Retailer 15$2,177 USD
Retailer 9$2,195 USD
Retailer 13$2,230 USD
Retailer 3$2,333 USD
Retailer 16$2,573 USD
Retailer 2$3,522 USD
NZ Jewellers$4,263 USD

17 data points across 16 retailers

16 retailers$1,505 USD to $4,263 USD

A
Cheapest Retailer
-
$1,505 USD
A
Retailer 2
-
$1,595 USD
View
Final sale: no returns
A
Retailer 3
-
$1,773 USD
View
A
Retailer 4
-
$1,842 USD
View
Retailer 5
-
$1,960 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,962 USD
View
A
Retailer 7
-
$2,039 USD
View
A
Retailer 8
-
$2,115 USD
View
A
Retailer 9
-
$2,146 USD
View
A
Retailer 10
-
$2,177 USD
View
A
Retailer 11
-
$2,195 USD
View
A
Retailer 12
-
$2,230 USD
View
B+
Retailer 13
-
$2,333 USD
View
B+
Retailer 14
-
$2,573 USD
View
B
Retailer 15
-
$3,522 USD
View
Most Expensive
B
NZ Jewellers
2db744c4-c172-46a7-9a23-fc5b2f7e414a · Nov 5
$4,263 USD
View
15 more retailers have this diamond
Prices start from $1,505 USDSave up to $2,758 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 Radiant
$1,505 USD