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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 1232910418

Certificate GIA 1232910418

Diamond specifications and retailer prices

From £1,181 GBP
As of November 5, 2026
Save £2,000 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,181 GBP at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232910418. Listed at 14 retailers as of November 5, 2026, with prices from £1,181 to £3,181, a £2,000 spread on the same certified stone. NZ Jewellers lists it at £3,181. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232910418
Dimensions6.79 × 5.04 × 3.55 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.79 mm5.04 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232910418
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 70.4%

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 5
Current: £3,181 GBP|Low: £900 GBP|High: £3,181 GBP|Avg: £1,533 GBP|+1.0%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 6£1,080 GBP
Retailer 7£1,095 GBP
Retailer 14£1,181 GBP
Retailer 16£1,181 GBP
Retailer 8£1,218 GBP
Retailer 15£1,236 GBP
Retailer 2£1,282 GBP
Retailer 17£1,312 GBP
Retailer 12£1,363 GBP
Retailer 3£1,390 GBP
Retailer 4£1,390 GBP
Retailer 13£1,438 GBP
Retailer 5£1,442 GBP
Retailer 9£1,587 GBP
Retailer 10£1,771 GBP
Retailer 11£2,279 GBP
NZ Jewellers£3,181 GBP

29 data points across 17 retailers

14 retailers£1,181 GBP to £3,181 GBP

A
Cheapest Retailer
-
£1,181 GBP
Retailer 2
-
£1,181 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£1,218 GBP
View
A
Retailer 4
-
£1,236 GBP
View
A
Retailer 5
-
£1,282 GBP
View
A
Retailer 6
-
£1,312 GBP
View
A
Retailer 7
-
£1,363 GBP
View
A
Retailer 8
-
£1,390 GBP
View
A
Retailer 9
-
£1,390 GBP
View
A
Retailer 10
-
£1,438 GBP
View
B+
Retailer 11
-
£1,442 GBP
View
B+
Retailer 12
-
£1,771 GBP
View
B
Retailer 13
-
£2,279 GBP
View
Most Expensive
B
NZ Jewellers
3002cb8a-cfe4-4498-b782-016a178ea867 · Nov 5
£3,181 GBP
$4,258 USD
View
13 more retailers have this diamond
Prices start from £1,181 GBPSave up to £2,000 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
£1,181 GBP