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Heart|Natural|IGI

0.91ct F SI2 Heart Natural Diamond

VG • F/SI2 • IGI 480143080

Shape and cutting style on the report: Heart brilliant

Certificate IGI 480143080

Diamond specifications and retailer prices

From £608 GBP
SGD 1,102 SGD
As of October 31, 2026
Save £1,633 GBP (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,241 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 480143080. Listed at 14 retailers as of October 30, 2026, with prices from £608 to £2,241, a £1,633 spread on the same certified stone. NZ Jewellers lists it at £2,241. 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

0.91
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.3°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 480143080
Dimensions5.81 × 6.70 × 4.02 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
5.81 mm6.70 mm0.91 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 480143080
Side View
Table 64.0%Crown 35.3°Girdle: MED-THKPavilion 42.7°Culet: NoneDepth 60.0%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £2,241 GBP|Low: £604 GBP|High: £2,241 GBP|Avg: £1,017 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£608 GBP
Retailer 12£659 GBP
Retailer 7£715 GBP
Retailer 9£715 GBP
Retailer 4£722 GBP
Retailer 8£742 GBP
Retailer 3£784 GBP
Retailer 6£824 GBP
Retailer 10£835 GBP
Retailer 5£1,309 GBP
Retailer 2£1,849 GBP
NZ Jewellers£2,241 GBP

45 data points across 12 retailers

14 retailers£608 GBP to £2,241 GBP

A
Cheapest Retailer
-
£608 GBP
SGD 1,102 SGD
B+
Retailer 2
-
£659 GBP
$884 USD
View
Final sale: no returns
B+
Retailer 3
-
£715 GBP
$959 USD
View
B+
Retailer 4
-
£715 GBP
$959 USD
View
B+
Retailer 5
-
£722 GBP
$969 USD
View
A
Retailer 6
-
£742 GBP
$996 USD
View
B+
Retailer 7
-
£784 GBP
$1,052 USD
View
B+
Retailer 8
-
£814 GBP
$1,092 USD
View
B+
Retailer 9
-
£824 GBP
$1,106 USD
View
B+
Retailer 10
-
£835 GBP
View
B
Retailer 11
-
£1,309 GBP
View
B
Retailer 12
-
£1,849 GBP
View
B
Retailer 13
-
£1,909 GBP
€2,440 EUR
View
Most Expensive
C
NZ Jewellers
839761ea-68dd-42a1-90e9-14c81ef60e77 · Oct 30
£2,241 GBP
$3,007 USD
View
13 more retailers have this diamond
Prices start from £608 GBPSave up to £1,633 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
0.91ct Heart
£608 GBP