Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556703636

Certificate GIA 2556703636

Diamond specifications and retailer prices

From $2,011 AUD
As of November 6, 2026
Save $4,577 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,589 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 2556703636. Listed at 13 retailers as of November 5, 2026, with prices from $2,011 to $6,589, a $4,577 spread on the same certified stone. NZ Jewellers lists it at $6,589. 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: $6,589 AUD|Low: $2,011 AUD|High: $6,746 AUD|Avg: $3,320 AUD|-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$2,011 AUD
Retailer 12$2,129 AUD
Retailer 11$2,463 AUD
Retailer 6$2,669 AUD
Retailer 10$2,701 AUD
Retailer 5$2,745 AUD
Retailer 13$2,826 AUD
Retailer 2$2,933 AUD
Retailer 9$2,979 AUD
Retailer 3$3,117 AUD
Retailer 8$3,669 AUD
Retailer 4$4,807 AUD
NZ Jewellers$6,589 AUD

27 data points across 13 retailers

13 retailers$2,011 AUD to $6,589 AUD

A
Cheapest Retailer
-
$2,011 AUD
A
Retailer 2
-
$2,129 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,463 AUD
View
A
Retailer 4
-
$2,669 AUD
View
A
Retailer 5
-
$2,701 AUD
View
Retailer 6
-
$2,745 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,826 AUD
View
A
Retailer 8
-
$2,933 AUD
View
A
Retailer 9
-
$2,979 AUD
View
A
Retailer 10
-
$3,117 AUD
View
A
Retailer 11
-
$3,669 AUD
View
B+
Retailer 12
-
$4,807 AUD
View
Most Expensive
B
NZ Jewellers
de370069-1a6f-4651-b937-47086b40d709 · Nov 5
$6,589 AUD
$4,527 USD
View
12 more retailers have this diamond
Prices start from $2,011 AUDSave up to $4,577 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
$2,011 AUD