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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 5566373230

Certificate GIA 5566373230

Diamond specifications and retailer prices

From $1,894 USD
As of November 6, 2026
Save $2,554 USD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,448 USD at MOH London · As of November 4, 2026
View at MOH London

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 5566373230. Listed at 9 retailers as of November 4, 2026, with prices from $1,894 to $4,448, a $2,554 spread on the same certified stone. MOH London lists it at $4,448. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566373230
Dimensions6.99 × 5.08 × 3.52 mm
L/W Ratio1.38
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
6.99 mm5.08 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566373230
Side View
Table 70.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 69.3%

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: Nov 6
Current: $4,448 USD|Low: $1,894 USD|High: $4,483 USD|Avg: $2,812 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6$1,894 USD
Retailer 4$1,980 USD
Retailer 8$2,225 USD
Retailer 7$2,377 USD
Retailer 2$2,693 USD
Retailer 3$2,710 USD
Retailer 5$3,161 USD
MOH London$4,448 USD

38 data points across 8 retailers

9 retailers$1,894 USD to $4,448 USD

A
Cheapest Retailer
-
$1,894 USD
A
Retailer 2
-
$1,980 USD
View
A
Retailer 3
-
$2,225 USD
View
A
Retailer 4
-
$2,377 USD
View
B+
Retailer 5
-
$2,693 USD
View
B+
Retailer 6
-
$2,710 USD
View
B+
Retailer 7
-
$2,756 USD
View
B+
Retailer 8
-
$3,161 USD
View
Most Expensive
B
MOH London
62F2B56C7 · Nov 4
$4,448 USD
£3,502 GBP
View
8 more retailers have this diamond
Prices start from $1,894 USDSave up to $2,554 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
$1,894 USD