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Radiant|Natural|GIA

2.21ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 3555571232

Certificate GIA 3555571232

Diamond specifications and retailer prices

From £12,411 GBP
As of October 31, 2026
Save £2,468 GBP (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £14,879 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 2.21ct natural radiant diamond

This 2.21ct natural radiant sits in the two to three carat band, graded I 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 3555571232. Listed at 2 retailers as of October 27, 2026, with prices from £12,411 to £14,879, a £2,468 spread on the same certified stone. Wholesale Diamonds Direct lists it at £14,879. 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

2.21
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.61°
Pavilion angle39.67°
OriginNatural
Grading LabGIA
CertificateGIA 3555571232
Dimensions8.75 × 6.39 × 4.43 mm
L/W Ratio1.37
Girdle conditionPolished
Key to symbols
Cloud
Top View
8.75 mm6.39 mm2.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555571232
Side View
Table 67.0%Crown 50.61°Girdle: ThickPavilion 39.67°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £12,411 GBP|Low: £9,295 GBP|High: £18,195 GBP|Avg: £12,975 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 2£9,295 GBP
Retailer 8£10,566 GBP
Retailer 7£11,058 GBP
Retailer 1£12,411 GBP
Retailer 9£12,752 GBP
Retailer 5£12,777 GBP
Retailer 6£12,806 GBP
Retailer 3£14,620 GBP
Wholesale Diamonds Direct£14,879 GBP
Retailer 4£18,195 GBP

32 data points across 10 retailers

2 retailers£12,411 GBP to £14,879 GBP

B+
Cheapest Retailer
-
£12,411 GBP
Most Expensive
B
Wholesale Diamonds Direct
304851013 · Oct 27
£14,879 GBP
$19,936 USD
View
1 more retailer has this diamond
Prices start from £12,411 GBPSave up to £2,468 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+
2.21ct Radiant
£12,411 GBP