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Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5563292597

Certificate GIA 5563292597

Diamond specifications and retailer prices

From £2,223 GBP
As of November 4, 2026
Save £1,783 GBP (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,005 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563292597. Listed at 14 retailers as of November 4, 2026, with prices from £2,223 to £4,005, a £1,783 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,005. 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

1.21
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563292597
Dimensions7.32 × 5.39 × 3.65 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.32 mm5.39 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563292597
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: £2,594 GBP|Low: £2,264 GBP|High: £3,084 GBP|Avg: £2,704 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4£2,277 GBP
Retailer 6£2,397 GBP
Retailer 5£2,424 GBP
Retailer 1£2,594 GBP
Retailer 8£2,847 GBP
Retailer 7£2,901 GBP
Retailer 3£2,962 GBP
Retailer 2£3,084 GBP

43 data points across 8 retailers

14 retailers£2,223 GBP to £4,005 GBP

A
Cheapest Retailer
-
£2,223 GBP
A
Retailer 2
-
£2,277 GBP
View
B+
Retailer 3
-
£2,397 GBP
View
B+
Retailer 4
-
£2,401 GBP
View
Retailer 5
-
£2,424 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£2,594 GBP
View
B+
Retailer 7
-
£2,678 GBP
View
B
Retailer 8
-
£2,824 GBP
View
B
Retailer 9
-
£2,847 GBP
View
B+
Retailer 10
-
£2,901 GBP
View
B+
Retailer 11
-
£2,962 GBP
View
B+
Retailer 12
-
£3,084 GBP
View
B
Retailer 13
-
£3,749 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
378293494 · Nov 6
£4,005 GBP
$5,361 USD
View
13 more retailers have this diamond
Prices start from £2,223 GBPSave up to £1,783 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
1.21ct Radiant
£2,223 GBP