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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 2225389566

Certificate GIA 2225389566

Diamond specifications and retailer prices

From £1,132 GBP
As of November 5, 2026
Save £312 GBP (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,444 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural radiant diamond

This 1ct 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 2225389566. Listed at 2 retailers as of November 5, 2026, with prices from £1,132 to £1,444, a £312 spread on the same certified stone. Yorxs lists it at £1,444. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225389566
Dimensions6.30 × 4.90 × 3.62 mm
L/W Ratio1.29
Culet sizeNone
Top View
6.30 mm4.90 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225389566
Side View
Table 74.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 73.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,132 GBP|Low: £969 GBP|High: £1,464 GBP|Avg: £1,218 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 2£969 GBP
Retailer 1£1,132 GBP
Retailer 3£1,305 GBP
Yorxs£1,444 GBP

17 data points across 4 retailers

2 retailers£1,132 GBP to £1,444 GBP

B+
Cheapest Retailer
-
£1,132 GBP
Most Expensive
B
Yorxs
246554347 · Nov 6
£1,444 GBP
€1,841 EUR
View
1 more retailer has this diamond
Prices start from £1,132 GBPSave up to £312 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
£1,132 GBP