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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 $1,224 USD
₹116,561 INR
As of October 29, 2026
Save $2,768 USD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,992 USD 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 $1,224 to $3,992, a $2,768 spread on the same certified stone. NZ Jewellers lists it at $3,992. 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
Color
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: $3,992 USD|Low: $1,153 USD|High: $4,026 USD|Avg: $1,795 USD|-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$1,224 USD
Retailer 15$1,276 USD
Retailer 3$1,517 USD
Retailer 10$1,623 USD
Retailer 12$1,623 USD
Retailer 6$1,685 USD
Retailer 11$1,698 USD
Retailer 7$1,787 USD
Retailer 4$1,805 USD
Retailer 2$1,807 USD
Retailer 8$1,812 USD
Retailer 5$1,889 USD
Retailer 14$2,231 USD
Retailer 13$2,883 USD
NZ Jewellers$3,992 USD

32 data points across 15 retailers

17 retailers$1,224 USD to $3,992 USD

A
Cheapest Retailer
-
$1,224 USD
₹116,561 INR
A
Retailer 2
-
$1,276 USD
View
Final sale: no returns
A
Retailer 3
-
$1,517 USD
View
A
Retailer 4
-
$1,623 USD
View
A
Retailer 5
-
$1,623 USD
View
A
Retailer 6
-
$1,643 USD
A$2,528 AUD
View
A
Retailer 7
-
$1,685 USD
View
A
Retailer 8
-
$1,698 USD
View
A
Retailer 9
-
$1,787 USD
View
A
Retailer 10
-
$1,805 USD
£1,421 GBP
View
A
Retailer 11
-
$1,807 USD
View
A
Retailer 12
-
$1,808 USD
View
Price last confirmed 52 days ago
A
Retailer 13
-
$1,812 USD
£1,427 GBP
View
A
Retailer 14
-
$1,889 USD
View
A
Retailer 15
-
$2,231 USD
€2,125 EUR
View
B+
Retailer 16
-
$2,883 USD
£2,270 GBP
View
Most Expensive
B
NZ Jewellers
32c18d22-3c6a-436c-80c6-c02d4f8a5587 · Oct 27
$3,992 USD
View
16 more retailers have this diamond
Prices start from $1,224 USDSave up to $2,768 USD

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
$1,224 USD