CaratHunter
Plans
Radiant|Natural|GIA

1.00ct H I1 Radiant Natural Diamond

EX • H/I1 • GIA 6505369431

Certificate GIA 6505369431

Diamond specifications and retailer prices

From £1,300 GBP
$1,744 USD
As of November 1, 2026
Save £2,181 GBP (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,481 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6505369431. Listed at 9 retailers as of October 30, 2026, with prices from £1,300 to £3,481, a £2,181 spread on the same certified stone. NZ Jewellers lists it at £3,481. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6505369431
Dimensions7.10 × 4.97 × 3.38 mm
L/W Ratio1.43
Top View
7.10 mm4.97 mm1.00 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505369431
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,481 GBP|Low: £1,070 GBP|High: £3,481 GBP|Avg: £1,678 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£1,073 GBP
Retailer 9£1,300 GBP
Retailer 8£1,377 GBP
Retailer 4£1,427 GBP
Retailer 6£1,427 GBP
Retailer 2£1,493 GBP
Retailer 5£1,647 GBP
Retailer 3£1,949 GBP
NZ Jewellers£3,481 GBP

44 data points across 9 retailers

9 retailers£1,300 GBP to £3,481 GBP

Retailer 1
-
£1,073 GBP
₹137,139 INR
Price last confirmed 10 days ago
B+
Retailer 2
-
£1,300 GBP
$1,744 USD
View
B+
Retailer 3
-
£1,377 GBP
$1,848 USD
View
B+
Retailer 4
-
£1,427 GBP
$1,915 USD
View
Retailer 5
-
£1,427 GBP
$1,915 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,493 GBP
$2,004 USD
View
B
Retailer 7
-
£1,647 GBP
$2,210 USD
View
B
Retailer 8
-
£1,949 GBP
€2,491 EUR
View
Most Expensive
C
NZ Jewellers
2fc11595-7c4f-4c70-9c38-43163bef7c41 · Oct 30
£3,481 GBP
$4,671 USD
View
8 more retailers have this diamond
Prices start from £1,300 GBPSave up to £2,181 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.

B+
1.00ct Radiant
£1,300 GBP