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Heart|Natural|IGI

0.33ct F SI2 Heart Natural Diamond

F/SI2 • IGI S3H92423

Certificate IGI S3H92423

Diamond specifications and retailer prices

From £402 GBP
$539 USD
As of November 1, 2026
Save £148 GBP (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £550 GBP at Diamond Heaven · As of November 2, 2026
View at Diamond Heaven

About this 0.33ct natural heart diamond

This 0.33ct natural heart sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included) and certified by IGI S3H92423. Listed at 7 retailers as of November 1, 2026, with prices from £402 to £550, a £148 spread on the same certified stone. Diamond Heaven lists it at £550. 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

0.33
Carat
F
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI S3H92423
Dimensions4.27 × 4.69 × 2.76 mm
L/W Ratio1.10
Top View
4.27 mm4.69 mm0.33 ctF / SI2
OriginNatural
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI S3H92423
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £550 GBP|Low: £402 GBP|High: £1,259 GBP|Avg: £586 GBP|-3.1%
Diamond Heaven
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 6£402 GBP
Retailer 2£432 GBP
Retailer 3£432 GBP
Retailer 4£447 GBP
Retailer 5£463 GBP
Retailer 8£499 GBP
Diamond Heaven£550 GBP
Retailer 7£1,259 GBP

11 data points across 8 retailers

7 retailers£402 GBP to £550 GBP

B
Cheapest Retailer
-
£402 GBP
$539 USD
C
Retailer 2
-
£432 GBP
$580 USD
View
C
Retailer 3
-
£432 GBP
$580 USD
View
C
Retailer 4
-
£463 GBP
$621 USD
View
C
Retailer 5
-
£499 GBP
$670 USD
View
Most Expensive
C
Diamond Heaven
0.33SI2FS323DCE9N · Nov 2
£550 GBP
View
5 more retailers have this diamond
Prices start from £402 GBPSave up to £148 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
0.33ct Heart
£402 GBP