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Radiant|Natural|GIA

1.01ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1559743551

Certificate GIA 1559743551

Diamond specifications and retailer prices

From £1,276 GBP
As of November 4, 2026
Save £2,140 GBP (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,416 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct 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 1559743551. Listed at 15 retailers as of November 4, 2026, with prices from £1,276 to £3,416, a £2,140 spread on the same certified stone. NZ Jewellers lists it at £3,416. 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

1.01
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559743551
Dimensions6.78 × 5.01 × 3.41 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.78 mm5.01 mm1.01 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559743551
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.0%

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: Nov 4
Current: £3,416 GBP|Low: £1,228 GBP|High: £3,588 GBP|Avg: £1,689 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
Retailer 15
November 7, 2026
Retailer 14£1,276 GBP
Retailer 3£1,290 GBP
Retailer 15£1,292 GBP
Retailer 8£1,377 GBP
Retailer 7£1,385 GBP
Retailer 13£1,400 GBP
Retailer 6£1,436 GBP
Retailer 4£1,465 GBP
Retailer 9£1,503 GBP
Retailer 2£1,520 GBP
Retailer 11£1,544 GBP
Retailer 12£1,616 GBP
Retailer 10£1,902 GBP
Retailer 5£2,515 GBP
NZ Jewellers£3,416 GBP

23 data points across 15 retailers

15 retailers£1,276 GBP to £3,416 GBP

A
Cheapest Retailer
-
£1,276 GBP
A
Retailer 2
-
£1,290 GBP
View
A
Retailer 3
-
£1,292 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,377 GBP
View
A
Retailer 5
-
£1,385 GBP
View
A
Retailer 6
-
£1,400 GBP
View
Retailer 7
-
£1,436 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£1,465 GBP
View
A
Retailer 9
-
£1,503 GBP
View
A
Retailer 10
-
£1,520 GBP
View
B+
Retailer 11
-
£1,544 GBP
View
B+
Retailer 12
-
£1,616 GBP
View
B+
Retailer 13
-
£1,902 GBP
View
B
Retailer 14
-
£2,515 GBP
View
Most Expensive
B
NZ Jewellers
93db8d8e-1956-4dfd-b8da-dab4498f7af1 · Nov 5
£3,416 GBP
$4,572 USD
View
14 more retailers have this diamond
Prices start from £1,276 GBPSave up to £2,140 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
1.01ct Radiant
£1,276 GBP