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Radiant|Natural|GIA

0.90ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6562123577

Certificate GIA 6562123577

Diamond specifications and retailer prices

From $1,827 AUD
SGD 1,734 SGD
As of October 29, 2026
Save $3,234 AUD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,061 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-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 6562123577. Listed at 13 retailers as of October 27, 2026, with prices from $1,827 to $5,061, a $3,234 spread on the same certified stone. NZ Jewellers lists it at $5,061. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6562123577
Dimensions4.83 × 6.37 × 3.28 mm
L/W Ratio1.32
Top View
4.83 mm6.37 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6562123577
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.0%

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: Oct 29
Current: $5,061 AUD|Low: $1,827 AUD|High: $5,526 AUD|Avg: $3,086 AUD|-8.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12$1,827 AUD
Retailer 3$1,915 AUD
Retailer 11$2,171 AUD
Retailer 10$2,232 AUD
Retailer 5$2,314 AUD
Retailer 7$2,385 AUD
Retailer 6$2,424 AUD
Retailer 4$2,957 AUD
Retailer 8$3,032 AUD
Retailer 9$3,639 AUD
Retailer 2$3,895 AUD
NZ Jewellers$5,061 AUD

32 data points across 12 retailers

13 retailers$1,827 AUD to $5,061 AUD

A
Cheapest Retailer
-
$1,827 AUD
SGD 1,734 SGD
A
Retailer 2
-
$1,915 AUD
$1,345 USD
View
Final sale: no returns
A
Retailer 3
-
$2,171 AUD
$1,525 USD
View
A
Retailer 4
-
$2,232 AUD
$1,568 USD
View
A
Retailer 5
-
$2,314 AUD
£1,280 GBP
View
A
Retailer 6
-
$2,385 AUD
$1,675 USD
View
A
Retailer 7
-
$2,424 AUD
£1,341 GBP
View
Retailer 8
-
$2,769 AUD
$1,945 USD
View
Price last confirmed 22 days ago
Retailer 9
-
$2,957 AUD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$3,032 AUD
ZAR 34,406 ZAR
View
B
Retailer 11
-
$3,639 AUD
£2,013 GBP
View
B+
Retailer 12
-
$3,895 AUD
£2,154 GBP
View
Most Expensive
B
NZ Jewellers
3a4d44c6-b5ca-4a38-aa9b-0da656014abb · Oct 27
$5,061 AUD
$3,555 USD
View
12 more retailers have this diamond
Prices start from $1,827 AUDSave up to $3,234 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
0.90ct Radiant
$1,827 AUD