Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2544406259

Certificate GIA 2544406259

Diamond specifications and retailer prices

From $2,040 USD
As of October 28, 2026
Save $2,823 USD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,863 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct 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 2544406259. Listed at 17 retailers as of October 27, 2026, with prices from $2,040 to $4,863, a $2,823 spread on the same certified stone. NZ Jewellers lists it at $4,863. 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

1.01
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.08°
OriginNatural
Grading LabGIA
CertificateGIA 2544406259
Dimensions7.05 × 5.09 × 3.44 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.05 mm5.09 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544406259
Side View
Table 68.0%Crown 43.08°Girdle: MED-STKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,863 USD|Low: $2,040 USD|High: $5,412 USD|Avg: $2,855 USD|-10.1%
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
Retailer 16
October 29, 2026
Retailer 5$2,040 USD
Retailer 3$2,102 USD
Retailer 4$2,147 USD
Retailer 14$2,258 USD
Retailer 9$2,282 USD
Retailer 7$2,325 USD
Retailer 8$2,326 USD
Retailer 15$2,326 USD
Retailer 6$2,434 USD
Retailer 16$2,466 USD
Retailer 2$2,545 USD
Retailer 12$2,684 USD
Retailer 13$2,833 USD
Retailer 11$2,901 USD
Retailer 10$4,097 USD
NZ Jewellers$4,863 USD

22 data points across 16 retailers

17 retailers$2,040 USD to $4,863 USD

A
Cheapest Retailer
-
$2,040 USD
A
Retailer 2
-
$2,102 USD
View
A
Retailer 3
-
$2,147 USD
View
Final sale: no returns
A
Retailer 4
-
$2,258 USD
View
A
Retailer 5
-
$2,282 USD
£1,797 GBP
View
A
Retailer 6
-
$2,325 USD
View
A
Retailer 7
-
$2,326 USD
View
A
Retailer 8
-
$2,326 USD
View
A
Retailer 9
-
$2,434 USD
View
A
Retailer 10
-
$2,466 USD
View
A
Retailer 11
-
$2,545 USD
£2,004 GBP
View
A
Retailer 12
-
$2,684 USD
View
B+
Retailer 13
-
$2,833 USD
ZAR 45,761 ZAR
View
B+
Retailer 14
-
$2,901 USD
€2,763 EUR
View
B+
Retailer 15
-
$3,048 USD
A$4,689 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$4,097 USD
£3,226 GBP
View
Most Expensive
B
NZ Jewellers
da758dcd-53a5-482c-ad48-fa3e6551e3dd · Oct 27
$4,863 USD
View
16 more retailers have this diamond
Prices start from $2,040 USDSave up to $2,823 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
1.01ct Radiant
$2,040 USD