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Radiant|Natural|GIA

1.00ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2556573529

Certificate GIA 2556573529

Diamond specifications and retailer prices

From $1,761 USD
As of November 6, 2026
Save $3,222 USD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,983 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556573529. Listed at 20 retailers as of November 5, 2026, with prices from $1,761 to $4,983, a $3,222 spread on the same certified stone. NZ Jewellers lists it at $4,983. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556573529
Dimensions6.87 × 4.90 × 3.24 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.87 mm4.90 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556573529
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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: $4,983 USD|Low: $1,761 USD|High: $5,073 USD|Avg: $2,670 USD|-1.8%
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 7, 2026
Retailer 16$1,761 USD
Retailer 14$1,870 USD
Retailer 8$2,090 USD
Retailer 5$2,104 USD
Retailer 6$2,153 USD
Retailer 10$2,351 USD
Retailer 2$2,360 USD
Retailer 4$2,384 USD
Retailer 11$2,412 USD
Retailer 12$2,474 USD
Retailer 17$2,523 USD
Retailer 13$2,570 USD
Retailer 15$2,700 USD
Retailer 19$2,728 USD
Retailer 18$2,759 USD
Retailer 9$2,763 USD
Retailer 3$2,909 USD
Retailer 7$4,164 USD
NZ Jewellers$4,983 USD

17 data points across 19 retailers

20 retailers$1,761 USD to $4,983 USD

A
Cheapest Retailer
-
$1,761 USD
A
Retailer 2
-
$1,870 USD
View
Final sale: no returns
A
Retailer 3
-
$2,090 USD
View
A
Retailer 4
-
$2,104 USD
View
A
Retailer 5
-
$2,153 USD
View
B+
Retailer 6
-
$2,351 USD
View
B+
Retailer 7
-
$2,360 USD
View
A
Retailer 8
-
$2,384 USD
View
Retailer 9
-
$2,412 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,474 USD
View
B+
Retailer 11
-
$2,523 USD
View
B+
Retailer 12
-
$2,570 USD
View
B+
Retailer 13
-
$2,700 USD
View
B+
Retailer 14
-
$2,728 USD
View
B+
Retailer 15
-
$2,759 USD
View
B+
Retailer 16
-
$2,763 USD
View
B+
Retailer 17
-
$2,909 USD
View
Retailer 18
-
$3,005 USD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$4,164 USD
View
Most Expensive
B
NZ Jewellers
588a480b-b2d6-4fdf-9595-84da5724afaa · Nov 5
$4,983 USD
View
19 more retailers have this diamond
Prices start from $1,761 USDSave up to $3,222 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
$1,761 USD