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Round|Natural|GIA

3.21ct K I1 Round Natural Diamond

VG • K/I1 • GIA 2233749398

Certificate GIA 2233749398

Diamond specifications and retailer prices

From £12,814 GBP
As of November 4, 2026
Save £4,339 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £17,153 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 2233749398. Listed at 4 retailers as of November 4, 2026, with prices from £12,814 to £17,153, a £4,339 spread on the same certified stone. The Diamond Guys lists it at £17,153. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.21
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2233749398
Dimensions9.55 × 9.45 × 5.81 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Culet sizeNone
Top View
9.55 mm9.45 mm3.21 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2233749398
Side View
Table 62.0%Crown 35°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 61.2%

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 4
Current: £17,056 GBP|Low: £12,681 GBP|High: £17,268 GBP|Avg: £14,967 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 5, 2026
Retailer 3£12,814 GBP
Retailer 2£12,839 GBP
Retailer 1£17,056 GBP
The Diamond Guys£17,153 GBP

23 data points across 4 retailers

4 retailers£12,814 GBP to £17,153 GBP

B+
Cheapest Retailer
-
£12,814 GBP
B+
Retailer 2
-
£12,839 GBP
View
B
Retailer 3
-
£17,056 GBP
View
Most Expensive
B
The Diamond Guys
1947483405 · Nov 6
£17,153 GBP
$23,086 USD
View
3 more retailers have this diamond
Prices start from £12,814 GBPSave up to £4,339 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
£12,814 GBP