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Heart|Natural|IGI

3.10ct K SI2 Heart Natural Diamond

GD • K/SI2 • IGI 204668099

Shape and cutting style on the report: Heart brilliant

Certificate IGI 204668099

Diamond specifications and retailer prices

From £10,640 GBP
As of November 4, 2026
Save £4,421 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £15,061 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.1ct natural heart diamond

This 3.1ct natural heart sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 204668099. Listed at 6 retailers as of November 4, 2026, with prices from £10,640 to £15,061, a £4,421 spread on the same certified stone. NZ Jewellers lists it at £15,061. 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

3.10
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 204668099
Dimensions9.32 × 10.15 × 4.58 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.32 mm10.15 mm3.10 ctK / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 204668099
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 45.1%

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: Nov 4
Current: £15,061 GBP|Low: £6,929 GBP|High: £15,061 GBP|Avg: £10,959 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£6,929 GBP
Retailer 3£10,640 GBP
Retailer 4£10,806 GBP
Retailer 2£10,869 GBP
Retailer 6£11,073 GBP
Retailer 5£11,222 GBP
NZ Jewellers£15,061 GBP

21 data points across 7 retailers

6 retailers£10,640 GBP to £15,061 GBP

B+
Cheapest Retailer
-
£10,640 GBP
B+
Retailer 2
-
£10,806 GBP
View
B+
Retailer 3
-
£10,869 GBP
View
B+
Retailer 4
-
£11,073 GBP
View
B+
Retailer 5
-
£11,222 GBP
View
Most Expensive
C
NZ Jewellers
1d854666-5e16-4f9b-92ac-67b887afb727 · Nov 5
£15,061 GBP
$20,159 USD
View
5 more retailers have this diamond
Prices start from £10,640 GBPSave up to £4,421 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+
3.10ct Heart
£10,640 GBP