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Round|Natural|IGI

3.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 704514783

Shape and cutting style on the report: Round brilliant

Certificate IGI 704514783

Diamond specifications and retailer prices

From £17,872 GBP
As of November 4, 2026
Save £9,643 GBP (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £27,515 GBP at MOH London · As of November 4, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 704514783. Listed at 13 retailers as of November 4, 2026, with prices from £17,872 to £27,515, a £9,643 spread on the same certified stone. MOH London lists it at £27,515. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.21
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 704514783
Dimensions9.39 × 9.44 × 5.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Faint Brown
Top View
9.39 mm9.44 mm3.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 704514783
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £27,515 GBP|Low: £17,927 GBP|High: £27,922 GBP|Avg: £21,610 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£17,927 GBP
Retailer 2£18,821 GBP
Retailer 6£20,611 GBP
Retailer 5£20,725 GBP
Retailer 3£22,894 GBP
MOH London£27,515 GBP

40 data points across 6 retailers

13 retailers£17,872 GBP to £27,515 GBP

A
Cheapest Retailer
-
£17,872 GBP
A
Retailer 2
-
£17,927 GBP
View
A
Retailer 3
-
£18,821 GBP
View
A
Retailer 4
-
£19,102 GBP
View
Retailer 5
-
£19,629 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£20,611 GBP
View
B+
Retailer 7
-
£20,725 GBP
View
B+
Retailer 8
-
£21,265 GBP
View
B+
Retailer 9
-
£21,840 GBP
View
B+
Retailer 10
-
£22,083 GBP
View
B+
Retailer 11
-
£22,894 GBP
View
B
Retailer 12
-
£25,193 GBP
View
Most Expensive
B
MOH London
19B6BA29B · Nov 4
£27,515 GBP
View
12 more retailers have this diamond
Prices start from £17,872 GBPSave up to £9,643 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
3.21ct Round
£17,872 GBP