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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6521429777

Certificate GIA 6521429777

Diamond specifications and retailer prices

From $1,742 AUD
₹116,561 INR
As of October 29, 2026
Save $3,940 AUD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,682 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded E 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 6521429777. Listed at 17 retailers as of October 27, 2026, with prices from $1,742 to $5,682, a $3,940 spread on the same certified stone. NZ Jewellers lists it at $5,682. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6521429777
Dimensions6.53 × 5.04 × 3.53 mm
L/W Ratio1.30
Top View
6.53 mm5.04 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521429777
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: 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: Oct 29
Current: $5,682 AUD|Low: $1,641 AUD|High: $5,731 AUD|Avg: $2,555 AUD|-0.8%
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
October 29, 2026
Retailer 9$1,742 AUD
Retailer 15$1,816 AUD
Retailer 3$2,159 AUD
Retailer 10$2,310 AUD
Retailer 12$2,310 AUD
Retailer 6$2,398 AUD
Retailer 11$2,417 AUD
Retailer 7$2,544 AUD
Retailer 4$2,570 AUD
Retailer 2$2,572 AUD
Retailer 8$2,580 AUD
Retailer 5$2,689 AUD
Retailer 14$3,176 AUD
Retailer 13$4,104 AUD
NZ Jewellers$5,682 AUD

32 data points across 15 retailers

17 retailers$1,742 AUD to $5,682 AUD

A
Cheapest Retailer
-
$1,742 AUD
₹116,561 INR
A
Retailer 2
-
$1,816 AUD
$1,276 USD
View
Final sale: no returns
A
Retailer 3
-
$2,159 AUD
$1,517 USD
View
A
Retailer 4
-
$2,310 AUD
$1,623 USD
View
A
Retailer 5
-
$2,310 AUD
$1,623 USD
View
A
Retailer 6
-
$2,339 AUD
View
A
Retailer 7
-
$2,398 AUD
$1,685 USD
View
A
Retailer 8
-
$2,417 AUD
$1,698 USD
View
A
Retailer 9
-
$2,544 AUD
$1,787 USD
View
A
Retailer 10
-
$2,570 AUD
£1,421 GBP
View
A
Retailer 11
-
$2,572 AUD
$1,807 USD
View
A
Retailer 12
-
$2,574 AUD
$1,808 USD
View
Price last confirmed 52 days ago
A
Retailer 13
-
$2,580 AUD
£1,427 GBP
View
A
Retailer 14
-
$2,689 AUD
$1,889 USD
View
A
Retailer 15
-
$3,176 AUD
€2,125 EUR
View
B+
Retailer 16
-
$4,104 AUD
£2,270 GBP
View
Most Expensive
B
NZ Jewellers
32c18d22-3c6a-436c-80c6-c02d4f8a5587 · Oct 27
$5,682 AUD
$3,992 USD
View
16 more retailers have this diamond
Prices start from $1,742 AUDSave up to $3,940 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
$1,742 AUD