Radiant|Natural|GIA

1.04ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 2158619797

Certificate GIA 2158619797

Diamond specifications and retailer prices

From $6,816 AUD
As of November 5, 2026
10 retailers carry this diamond
Most expensive: $11,554 AUD at NZ Jewellers · As of October 27, 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 E 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 2158619797. Listed at 10 retailers as of November 5, 2026. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2158619797
Dimensions5.90 × 5.25 × 3.63 mm
L/W Ratio1.12
Culet sizeNone
Top View
5.90 mm5.25 mm1.04 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2158619797
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,554 AUD|Low: $6,685 AUD|High: $11,554 AUD|Avg: $7,969 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 8$6,685 AUD
Retailer 6$6,784 AUD
Retailer 7$6,784 AUD
Retailer 11$6,816 AUD
Retailer 10$6,849 AUD
Retailer 4$7,465 AUD
Retailer 9$7,827 AUD
Retailer 2$8,076 AUD
Retailer 3$8,187 AUD
Retailer 5$10,578 AUD
NZ Jewellers$11,554 AUD

14 data points across 11 retailers

10 retailers

Retailer 1
-
$6,685 AUD
Price last confirmed 29 days ago
Retailer 2
-
$6,784 AUD
View
Price last confirmed 13 days ago
Retailer 3
-
$6,784 AUD
View
Price last confirmed 12 days ago
B
Retailer 4
-
$6,816 AUD
View
Retailer 5
-
$6,849 AUD
View
Price last confirmed 13 days ago
Retailer 6
-
$7,465 AUD
View
Price last confirmed 12 days ago
Retailer 7
-
$7,827 AUD
View
Price last confirmed 11 days ago
Retailer 8
-
$8,076 AUD
View
Price last confirmed 11 days ago
Retailer 9
-
$10,578 AUD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
d749bff2-886c-47c7-9c60-e30c6a416263 · Oct 27
$11,554 AUD
$7,939 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from $6,816 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
$6,816 AUD