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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 $2,257 SGD
As of November 6, 2026
Save $4,129 SGD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,386 SGD 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 $2,257 to $6,386, a $4,129 spread on the same certified stone. NZ Jewellers lists it at $6,386. 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
Colour
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: $6,386 SGD|Low: $2,257 SGD|High: $6,502 SGD|Avg: $3,422 SGD|-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$2,257 SGD
Retailer 14$2,397 SGD
Retailer 8$2,679 SGD
Retailer 5$2,696 SGD
Retailer 6$2,759 SGD
Retailer 10$3,013 SGD
Retailer 2$3,025 SGD
Retailer 4$3,055 SGD
Retailer 11$3,091 SGD
Retailer 12$3,171 SGD
Retailer 17$3,233 SGD
Retailer 13$3,294 SGD
Retailer 15$3,460 SGD
Retailer 19$3,496 SGD
Retailer 18$3,536 SGD
Retailer 9$3,541 SGD
Retailer 3$3,728 SGD
Retailer 7$5,337 SGD
NZ Jewellers$6,386 SGD

17 data points across 19 retailers

20 retailers$2,257 SGD to $6,386 SGD

A
Cheapest Retailer
-
$2,257 SGD
A
Retailer 2
-
$2,397 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,679 SGD
View
A
Retailer 4
-
$2,696 SGD
View
A
Retailer 5
-
$2,759 SGD
View
B+
Retailer 6
-
$3,013 SGD
View
B+
Retailer 7
-
$3,025 SGD
View
A
Retailer 8
-
$3,055 SGD
View
Retailer 9
-
$3,091 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$3,171 SGD
View
B+
Retailer 11
-
$3,233 SGD
View
B+
Retailer 12
-
$3,294 SGD
View
B+
Retailer 13
-
$3,460 SGD
View
B+
Retailer 14
-
$3,496 SGD
View
B+
Retailer 15
-
$3,536 SGD
View
B+
Retailer 16
-
$3,541 SGD
View
B+
Retailer 17
-
$3,728 SGD
View
Retailer 18
-
$3,851 SGD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$5,337 SGD
View
Most Expensive
B
NZ Jewellers
588a480b-b2d6-4fdf-9595-84da5724afaa · Nov 5
$6,386 SGD
$4,983 USD
View
19 more retailers have this diamond
Prices start from $2,257 SGDSave up to $4,129 SGD

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
$2,257 SGD