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Round|Natural|GIA

3.21ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6532666256

Certificate GIA 6532666256

Diamond specifications and retailer prices

From £25,189 GBP
₹3,214,345 INR
As of November 1, 2026
Save £7,386 GBP (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £32,575 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532666256. Listed at 4 retailers as of November 1, 2026, with prices from £25,189 to £32,575, a £7,386 spread on the same certified stone. Yorxs lists it at £32,575. 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

3.21
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6532666256
Dimensions9.34 × 9.38 × 5.89 mm
L/W Ratio1.00
Top View
9.34 mm9.38 mm3.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6532666256
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £25,189 GBP|Low: £25,189 GBP|High: £34,184 GBP|Avg: £30,375 GBP|-5.1%
Retailer 1
Retailer 2
Yorxs
November 1, 2026
Retailer 1£25,189 GBP
Retailer 2£29,883 GBP
Yorxs£32,575 GBP

39 data points across 3 retailers

4 retailers£25,189 GBP to £32,575 GBP

B+
Cheapest Retailer
-
£25,189 GBP
₹3,214,345 INR
B+
Retailer 2
-
£27,216 GBP
CA$50,648 CAD
View
B
Retailer 3
-
£29,883 GBP
View
Most Expensive
B
Yorxs
D48693-03 · Nov 1
£32,575 GBP
€41,568 EUR
View
3 more retailers have this diamond
Prices start from £25,189 GBPSave up to £7,386 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+
3.21ct Round
£25,189 GBP