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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 $23,673 AUD
£13,094 GBP
As of October 31, 2026
Save $4,708 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $28,381 AUD 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 $23,673 to $28,381, a $4,708 spread on the same certified stone. Wholesale Diamonds Direct lists it at $28,381. 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: $23,673 AUD|Low: $17,730 AUD|High: $34,706 AUD|Avg: $24,749 AUD|-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$17,730 AUD
Retailer 8$20,154 AUD
Retailer 7$21,092 AUD
Retailer 1$23,673 AUD
Retailer 9$24,324 AUD
Retailer 5$24,372 AUD
Retailer 6$24,428 AUD
Retailer 3$27,888 AUD
Wholesale Diamonds Direct$28,381 AUD
Retailer 4$34,706 AUD

32 data points across 10 retailers

2 retailers$23,673 AUD to $28,381 AUD

B+
Cheapest Retailer
-
$23,673 AUD
£13,094 GBP
Most Expensive
B
Wholesale Diamonds Direct
304851013 · Oct 27
$28,381 AUD
$19,936 USD
View
1 more retailer has this diamond
Prices start from $23,673 AUDSave up to $4,708 AUD

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
$23,673 AUD