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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 $3,417 NZD
As of November 6, 2026
Save $4,606 NZD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,023 NZD 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 $3,417 to $8,023, a $4,606 spread on the same certified stone. MOH London lists it at $8,023. 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
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: $8,023 NZD|Low: $3,417 NZD|High: $8,087 NZD|Avg: $5,073 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6$3,417 NZD
Retailer 4$3,572 NZD
Retailer 8$4,014 NZD
Retailer 7$4,288 NZD
Retailer 2$4,858 NZD
Retailer 3$4,889 NZD
Retailer 5$5,702 NZD
MOH London$8,023 NZD

38 data points across 8 retailers

9 retailers$3,417 NZD to $8,023 NZD

A
Cheapest Retailer
-
$3,417 NZD
A
Retailer 2
-
$3,572 NZD
View
A
Retailer 3
-
$4,014 NZD
View
A
Retailer 4
-
$4,288 NZD
View
B+
Retailer 5
-
$4,858 NZD
View
B+
Retailer 6
-
$4,889 NZD
View
B+
Retailer 7
-
$4,972 NZD
View
B+
Retailer 8
-
$5,702 NZD
View
Most Expensive
B
MOH London
62F2B56C7 · Nov 4
$8,023 NZD
£3,502 GBP
View
8 more retailers have this diamond
Prices start from $3,417 NZDSave up to $4,606 NZD

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
$3,417 NZD