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Round|Natural|IGI

0.33ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 631401605

Shape and cutting style on the report: Round brilliant

Certificate IGI 631401605

Diamond specifications and retailer prices

From £103 GBP
As of November 4, 2026
Save £363 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £467 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.33ct natural round diamond

This 0.33ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 631401605. Listed at 11 retailers as of November 4, 2026, with prices from £103 to £467, a £363 spread on the same certified stone. NZ Jewellers lists it at £467. 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

0.33
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 631401605
Dimensions4.44 × 4.43 × 2.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
4.44 mm4.43 mm0.33 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 631401605
Side View
Table 57.0%Crown 33.1°Girdle: ThickPavilion 40.3°Culet: NoneDepth 60.7%

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: £467 GBP|Low: £103 GBP|High: £659 GBP|Avg: £219 GBP|-29.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3£103 GBP
Retailer 6£108 GBP
Retailer 8£111 GBP
Retailer 10£115 GBP
Retailer 11£120 GBP
Retailer 9£124 GBP
Retailer 12£139 GBP
Retailer 4£146 GBP
Retailer 2£196 GBP
Retailer 13£199 GBP
Retailer 7£238 GBP
Retailer 5£300 GBP
NZ Jewellers£467 GBP

31 data points across 13 retailers

11 retailers£103 GBP to £467 GBP

A
Cheapest Retailer
-
£103 GBP
A
Retailer 2
-
£108 GBP
View
Retailer 3
-
£111 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£115 GBP
View
Retailer 5
-
£120 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£124 GBP
View
B+
Retailer 7
-
£139 GBP
View
B+
Retailer 8
-
£196 GBP
View
B+
Retailer 9
-
£199 GBP
View
B+
Retailer 10
-
£238 GBP
View
Most Expensive
C
NZ Jewellers
05c5ac36-fa5c-4830-85dd-04db13828793 · Nov 4
£467 GBP
$628 USD
View
10 more retailers have this diamond
Prices start from £103 GBPSave up to £363 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
0.33ct Round
£103 GBP