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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556703636

Certificate GIA 2556703636

Diamond specifications and retailer prices

From $1,771 SGD
As of November 6, 2026
Save $4,031 SGD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,802 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 2556703636. Listed at 13 retailers as of November 5, 2026, with prices from $1,771 to $5,802, a $4,031 spread on the same certified stone. NZ Jewellers lists it at $5,802. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556703636
Dimensions6.72 × 4.92 × 3.44 mm
L/W Ratio1.37
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.72 mm4.92 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556703636
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.0%

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: $5,802 SGD|Low: $1,771 SGD|High: $5,940 SGD|Avg: $2,924 SGD|-2.3%
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
November 7, 2026
Retailer 7$1,771 SGD
Retailer 12$1,875 SGD
Retailer 11$2,168 SGD
Retailer 6$2,350 SGD
Retailer 10$2,379 SGD
Retailer 5$2,417 SGD
Retailer 13$2,489 SGD
Retailer 2$2,582 SGD
Retailer 9$2,623 SGD
Retailer 3$2,745 SGD
Retailer 8$3,231 SGD
Retailer 4$4,233 SGD
NZ Jewellers$5,802 SGD

27 data points across 13 retailers

13 retailers$1,771 SGD to $5,802 SGD

A
Cheapest Retailer
-
$1,771 SGD
A
Retailer 2
-
$1,875 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,168 SGD
View
A
Retailer 4
-
$2,350 SGD
View
A
Retailer 5
-
$2,379 SGD
View
Retailer 6
-
$2,417 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,489 SGD
View
A
Retailer 8
-
$2,582 SGD
View
A
Retailer 9
-
$2,623 SGD
View
A
Retailer 10
-
$2,745 SGD
View
A
Retailer 11
-
$3,231 SGD
View
B+
Retailer 12
-
$4,233 SGD
View
Most Expensive
B
NZ Jewellers
de370069-1a6f-4651-b937-47086b40d709 · Nov 5
$5,802 SGD
$4,527 USD
View
12 more retailers have this diamond
Prices start from $1,771 SGDSave up to $4,031 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
$1,771 SGD