CaratHunter
Plans
Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6521429777

Certificate GIA 6521429777

Diamond specifications and retailer prices

From £919 GBP
₹116,561 INR
As of October 29, 2026
Save £2,079 GBP (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,998 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 6521429777. Listed at 17 retailers as of October 27, 2026, with prices from £919 to £2,998, a £2,079 spread on the same certified stone. NZ Jewellers lists it at £2,998. 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
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: £2,998 GBP|Low: £866 GBP|High: £3,023 GBP|Avg: £1,306 GBP|-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 30, 2026
Retailer 11£919 GBP
Retailer 4£958 GBP
Retailer 5£1,139 GBP
Retailer 12£1,219 GBP
Retailer 14£1,219 GBP
Retailer 7£1,265 GBP
Retailer 13£1,275 GBP
Retailer 2£1,321 GBP
Retailer 8£1,344 GBP
Retailer 10£1,357 GBP
Retailer 9£1,365 GBP
Retailer 6£1,419 GBP
Retailer 3£1,676 GBP
Retailer 15£2,165 GBP
NZ Jewellers£2,998 GBP

32 data points across 15 retailers

17 retailers£919 GBP to £2,998 GBP

A
Cheapest Retailer
-
£919 GBP
₹116,561 INR
A
Retailer 2
-
£958 GBP
$1,276 USD
View
Final sale: no returns
A
Retailer 3
-
£1,139 GBP
$1,517 USD
View
A
Retailer 4
-
£1,219 GBP
$1,623 USD
View
A
Retailer 5
-
£1,219 GBP
$1,623 USD
View
A
Retailer 6
-
£1,234 GBP
A$2,528 AUD
View
A
Retailer 7
-
£1,265 GBP
$1,685 USD
View
A
Retailer 8
-
£1,275 GBP
$1,698 USD
View
A
Retailer 9
-
£1,321 GBP
$1,759 USD
View
A
Retailer 10
-
£1,344 GBP
View
A
Retailer 11
-
£1,357 GBP
$1,807 USD
View
Retailer 12
-
£1,358 GBP
$1,808 USD
View
Price last confirmed 53 days ago
A
Retailer 13
-
£1,365 GBP
View
A
Retailer 14
-
£1,419 GBP
$1,889 USD
View
A
Retailer 15
-
£1,676 GBP
€2,125 EUR
View
B+
Retailer 16
-
£2,165 GBP
View
Most Expensive
B
NZ Jewellers
32c18d22-3c6a-436c-80c6-c02d4f8a5587 · Oct 27
£2,998 GBP
$3,992 USD
View
16 more retailers have this diamond
Prices start from £919 GBPSave up to £2,079 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
£919 GBP