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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 $2,332 AUD
As of November 6, 2026
Save $4,213 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,545 AUD 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 $2,332 to $6,545, a $4,213 spread on the same certified stone. NZ Jewellers lists it at $6,545. 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: $6,545 AUD|Low: $2,332 AUD|High: $6,724 AUD|Avg: $3,617 AUD|-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$2,332 AUD
Retailer 14$2,474 AUD
Retailer 7$2,797 AUD
Retailer 12$2,828 AUD
Retailer 11$3,131 AUD
Retailer 6$3,173 AUD
Retailer 3$3,275 AUD
Retailer 9$3,331 AUD
Retailer 2$3,400 AUD
Retailer 4$3,464 AUD
Retailer 5$3,612 AUD
Retailer 10$3,989 AUD
Retailer 13$5,468 AUD
NZ Jewellers$6,545 AUD

23 data points across 14 retailers

14 retailers$2,332 AUD to $6,545 AUD

A
Cheapest Retailer
-
$2,332 AUD
A
Retailer 2
-
$2,474 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,797 AUD
View
A
Retailer 4
-
$2,828 AUD
View
A
Retailer 5
-
$3,131 AUD
View
Retailer 6
-
$3,173 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$3,275 AUD
View
A
Retailer 8
-
$3,331 AUD
View
A
Retailer 9
-
$3,400 AUD
View
A
Retailer 10
-
$3,464 AUD
View
A
Retailer 11
-
$3,612 AUD
View
B+
Retailer 12
-
$3,989 AUD
View
B+
Retailer 13
-
$5,468 AUD
View
Most Expensive
B
NZ Jewellers
831279fb-7ab0-4cbb-8523-a05ce6f13ea7 · Nov 5
$6,545 AUD
$4,497 USD
View
13 more retailers have this diamond
Prices start from $2,332 AUDSave up to $4,213 AUD

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
$2,332 AUD