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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556802377

Certificate GIA 2556802377

Diamond specifications and retailer prices

From $2,053 SGD
As of November 6, 2026
Save $3,710 SGD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,763 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 D 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 2556802377. Listed at 14 retailers as of November 5, 2026, with prices from $2,053 to $5,763, a $3,710 spread on the same certified stone. NZ Jewellers lists it at $5,763. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556802377
Dimensions6.94 × 4.95 × 3.30 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
6.94 mm4.95 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556802377
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.7%

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: $5,763 SGD|Low: $2,053 SGD|High: $5,921 SGD|Avg: $3,185 SGD|-2.7%
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 7, 2026
Retailer 8$2,053 SGD
Retailer 14$2,179 SGD
Retailer 7$2,463 SGD
Retailer 12$2,490 SGD
Retailer 11$2,757 SGD
Retailer 6$2,794 SGD
Retailer 3$2,884 SGD
Retailer 9$2,934 SGD
Retailer 2$2,994 SGD
Retailer 4$3,050 SGD
Retailer 5$3,181 SGD
Retailer 10$3,513 SGD
Retailer 13$4,815 SGD
NZ Jewellers$5,763 SGD

23 data points across 14 retailers

14 retailers$2,053 SGD to $5,763 SGD

A
Cheapest Retailer
-
$2,053 SGD
A
Retailer 2
-
$2,179 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,463 SGD
View
A
Retailer 4
-
$2,490 SGD
View
A
Retailer 5
-
$2,757 SGD
View
Retailer 6
-
$2,794 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,884 SGD
View
A
Retailer 8
-
$2,934 SGD
View
A
Retailer 9
-
$2,994 SGD
View
A
Retailer 10
-
$3,050 SGD
View
A
Retailer 11
-
$3,181 SGD
View
B+
Retailer 12
-
$3,513 SGD
View
B+
Retailer 13
-
$4,815 SGD
View
Most Expensive
B
NZ Jewellers
831279fb-7ab0-4cbb-8523-a05ce6f13ea7 · Nov 5
$5,763 SGD
$4,497 USD
View
13 more retailers have this diamond
Prices start from $2,053 SGDSave up to $3,710 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
$2,053 SGD