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Round|Natural|IGI

1.50ct H IF Round Natural Diamond

EX • H/IF • IGI 833655220

Shape and cutting style on the report: Round brilliant

Certificate IGI 833655220

Diamond specifications and retailer prices

From £4,033 GBP
As of November 5, 2026
Save £4,388 GBP (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £8,421 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 833655220. Listed at 17 retailers as of November 5, 2026, with prices from £4,033 to £8,421, a £4,388 spread on the same certified stone. NZ Jewellers lists it at £8,421. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 833655220
Dimensions7.26 × 7.32 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.26 mm7.32 mm1.50 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 833655220
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: Nov 5
Current: £8,421 GBP|Low: £4,033 GBP|High: £8,421 GBP|Avg: £5,377 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
Retailer 13
November 6, 2026
Retailer 8£4,033 GBP
Retailer 10£4,328 GBP
Retailer 5£4,647 GBP
Retailer 3£4,647 GBP
Retailer 7£4,648 GBP
Retailer 2£4,845 GBP
Retailer 12£5,035 GBP
Retailer 13£5,113 GBP
Retailer 9£5,466 GBP
Retailer 4£5,809 GBP
Retailer 6£6,143 GBP
Retailer 11£7,417 GBP
NZ Jewellers£8,421 GBP

29 data points across 13 retailers

17 retailers£4,033 GBP to £8,421 GBP

A
Cheapest Retailer
-
£4,033 GBP
A
Retailer 2
-
£4,328 GBP
View
A
Retailer 3
-
£4,391 GBP
View
A
Retailer 4
-
£4,440 GBP
View
A
Retailer 5
-
£4,647 GBP
View
Final sale: no returns
Retailer 6
-
£4,647 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£4,648 GBP
View
A
Retailer 8
-
£4,670 GBP
View
A
Retailer 9
-
£4,845 GBP
View
A
Retailer 10
-
£5,035 GBP
View
A
Retailer 11
-
£5,113 GBP
View
A
Retailer 12
-
£5,153 GBP
View
A
Retailer 13
-
£5,466 GBP
View
A
Retailer 14
-
£5,809 GBP
View
A
Retailer 15
-
£6,143 GBP
View
B+
Retailer 16
-
£7,417 GBP
View
Most Expensive
B
NZ Jewellers
31b3c4f3-38e5-438a-834d-95f7fc24f923 · Nov 5
£8,421 GBP
$11,334 USD
View
16 more retailers have this diamond
Prices start from £4,033 GBPSave up to £4,388 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
1.50ct Round
£4,033 GBP