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Radiant|Natural|GIA

1.04ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2506379855

Certificate GIA 2506379855

Diamond specifications and retailer prices

From $5,382 AUD
As of November 6, 2026
Save $6,493 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,875 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural radiant diamond

This 1.04ct 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 2506379855. Listed at 14 retailers as of November 5, 2026, with prices from $5,382 to $11,875, a $6,493 spread on the same certified stone. NZ Jewellers lists it at $11,875. 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

1.04
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506379855
Dimensions7.38 × 5.11 × 3.18 mm
L/W Ratio1.44
Top View
7.38 mm5.11 mm1.04 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506379855
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,775 AUD|Low: $5,133 AUD|High: $10,985 AUD|Avg: $6,986 AUD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 7$5,382 AUD
Retailer 5$5,699 AUD
Retailer 6$6,175 AUD
Retailer 2$6,612 AUD
Retailer 1$6,775 AUD
Retailer 3$7,669 AUD
Retailer 4$10,825 AUD

45 data points across 7 retailers

14 retailers$5,382 AUD to $11,875 AUD

B+
Cheapest Retailer
-
$5,382 AUD
B+
Retailer 2
-
$5,487 AUD
View
B+
Retailer 3
-
$5,667 AUD
View
B+
Retailer 4
-
$5,695 AUD
View
B+
Retailer 5
-
$5,699 AUD
View
Final sale: no returns
B+
Retailer 6
-
$6,175 AUD
View
B+
Retailer 7
-
$6,175 AUD
View
B+
Retailer 8
-
$6,612 AUD
View
B+
Retailer 9
-
$6,775 AUD
View
B
Retailer 10
-
$7,124 AUD
View
B
Retailer 11
-
$7,162 AUD
View
B
Retailer 12
-
$7,669 AUD
View
B
Retailer 13
-
$10,825 AUD
View
Most Expensive
B
NZ Jewellers
5f7b234c-c8c8-4592-bfb7-20c7b5cc415d · Nov 5
$11,875 AUD
$8,159 USD
View
13 more retailers have this diamond
Prices start from $5,382 AUDSave up to $6,493 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.

B+
1.04ct Radiant
$5,382 AUD