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Radiant|Natural|GIA

1.01ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6561312580

Certificate GIA 6561312580

Diamond specifications and retailer prices

From £950 GBP
As of November 5, 2026
Save £1,367 GBP (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,318 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561312580. Listed at 9 retailers as of November 5, 2026, with prices from £950 to £2,318, a £1,367 spread on the same certified stone. NZ Jewellers lists it at £2,318. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561312580
Dimensions6.88 × 5.10 × 3.51 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.88 mm5.10 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561312580
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,318 GBP|Low: £950 GBP|High: £2,318 GBP|Avg: £1,287 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6£950 GBP
Retailer 8£950 GBP
Retailer 3£971 GBP
Retailer 9£986 GBP
Retailer 2£1,074 GBP
Retailer 7£1,096 GBP
Retailer 4£1,320 GBP
Retailer 5£1,735 GBP
NZ Jewellers£2,318 GBP

37 data points across 9 retailers

9 retailers£950 GBP to £2,318 GBP

A
Cheapest Retailer
-
£950 GBP
Retailer 2
-
£950 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£971 GBP
View
A
Retailer 4
-
£986 GBP
View
A
Retailer 5
-
£1,074 GBP
View
B+
Retailer 6
-
£1,096 GBP
View
B+
Retailer 7
-
£1,320 GBP
View
B
Retailer 8
-
£1,735 GBP
View
Most Expensive
B
NZ Jewellers
c25ab4c3-ec68-4e03-965a-f5f565153387 · Nov 5
£2,318 GBP
$3,102 USD
View
8 more retailers have this diamond
Prices start from £950 GBPSave up to £1,367 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
£950 GBP