Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 7556782173

Certificate GIA 7556782173

Diamond specifications and retailer prices

From £1,109 GBP
₹140,693 INR
As of October 29, 2026
Save £2,503 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,612 GBP 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 7556782173. Listed at 15 retailers as of October 27, 2026, with prices from £1,109 to £3,612, a £2,503 spread on the same certified stone. NZ Jewellers lists it at £3,612. 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 7556782173
Dimensions6.51 × 5.02 × 3.52 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Knot, Cloud, Feather, Crystal, Needle
Top View
6.51 mm5.02 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556782173
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.1%

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: £3,612 GBP|Low: £1,109 GBP|High: £3,612 GBP|Avg: £1,688 GBP
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
October 29, 2026
Retailer 9£1,109 GBP
Retailer 14£1,159 GBP
Retailer 2£1,289 GBP
Retailer 3£1,338 GBP
Retailer 8£1,470 GBP
Retailer 11£1,470 GBP
Retailer 6£1,481 GBP
Retailer 10£1,539 GBP
Retailer 7£1,608 GBP
Retailer 4£1,633 GBP
Retailer 5£1,709 GBP
Retailer 13£1,890 GBP
Retailer 12£2,608 GBP
NZ Jewellers£3,612 GBP

36 data points across 14 retailers

15 retailers£1,109 GBP to £3,612 GBP

A
Cheapest Retailer
-
£1,109 GBP
₹140,693 INR
A
Retailer 2
-
£1,159 GBP
$1,544 USD
View
Final sale: no returns
A
Retailer 3
-
£1,289 GBP
$1,717 USD
View
A
Retailer 4
-
£1,338 GBP
$1,782 USD
View
A
Retailer 5
-
£1,470 GBP
$1,958 USD
View
A
Retailer 6
-
£1,470 GBP
$1,958 USD
View
A
Retailer 7
-
£1,481 GBP
$1,972 USD
View
A
Retailer 8
-
£1,539 GBP
$2,049 USD
View
A
Retailer 9
-
£1,595 GBP
$2,124 USD
View
A
Retailer 10
-
£1,608 GBP
View
A
Retailer 11
-
£1,633 GBP
View
A
Retailer 12
-
£1,709 GBP
$2,276 USD
View
A
Retailer 13
-
£1,890 GBP
€2,397 EUR
View
B+
Retailer 14
-
£2,608 GBP
View
Most Expensive
B
NZ Jewellers
b2b05278-6f29-463e-80b4-317db77cc6a3 · Oct 27
£3,612 GBP
$4,810 USD
View
14 more retailers have this diamond
Prices start from £1,109 GBPSave up to £2,503 GBP

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
£1,109 GBP