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Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6555914191

Certificate GIA 6555914191

Diamond specifications and retailer prices

From $2,608 AUD
As of November 6, 2026
Save $4,662 AUD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,270 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555914191. Listed at 23 retailers as of November 5, 2026, with prices from $2,608 to $7,270, a $4,662 spread on the same certified stone. NZ Jewellers lists it at $7,270. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555914191
Dimensions6.88 × 5.09 × 3.45 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.88 mm5.09 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555914191
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.6%

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: $7,270 AUD|Low: $2,608 AUD|High: $7,372 AUD|Avg: $4,071 AUD|-1.4%
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
Retailer 20
November 7, 2026
Retailer 17$2,608 AUD
Retailer 16$2,745 AUD
Retailer 6$3,132 AUD
Retailer 5$3,208 AUD
Retailer 7$3,254 AUD
Retailer 2$3,355 AUD
Retailer 18$3,372 AUD
Retailer 8$3,477 AUD
Retailer 12$3,526 AUD
Retailer 20$3,631 AUD
Retailer 13$3,637 AUD
Retailer 14$3,678 AUD
Retailer 19$3,681 AUD
Retailer 15$3,784 AUD
Retailer 4$4,013 AUD
Retailer 3$4,317 AUD
Retailer 10$4,333 AUD
Retailer 9$6,177 AUD
Retailer 11$6,810 AUD
NZ Jewellers$7,270 AUD

21 data points across 20 retailers

23 retailers$2,608 AUD to $7,270 AUD

A
Cheapest Retailer
-
$2,608 AUD
A
Retailer 2
-
$2,745 AUD
View
A
Retailer 3
-
$3,132 AUD
View
A
Retailer 4
-
$3,208 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,254 AUD
View
A
Retailer 6
-
$3,355 AUD
View
A
Retailer 7
-
$3,355 AUD
View
A
Retailer 8
-
$3,372 AUD
View
A
Retailer 9
-
$3,477 AUD
View
Retailer 10
-
$3,526 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$3,592 AUD
View
A
Retailer 12
-
$3,631 AUD
View
A
Retailer 13
-
$3,637 AUD
View
A
Retailer 14
-
$3,678 AUD
View
A
Retailer 15
-
$3,681 AUD
View
A
Retailer 16
-
$3,784 AUD
View
B+
Retailer 17
-
$4,013 AUD
View
B+
Retailer 18
-
$4,317 AUD
View
B+
Retailer 19
-
$4,333 AUD
View
Retailer 20
-
$4,401 AUD
View
Price last confirmed 31 days ago
B
Retailer 21
-
$6,177 AUD
View
Retailer 22
-
$6,810 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
ad20a315-d23f-4a84-b70e-90bfafbe9269 · Nov 5
$7,270 AUD
$4,995 USD
View
22 more retailers have this diamond
Prices start from $2,608 AUDSave up to $4,662 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
$2,608 AUD