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Round|Natural|IGI

1.50ct G IF Round Natural Diamond

EX • G/IF • IGI 800603522

Shape and cutting style on the report: Round brilliant

Certificate IGI 800603522

Diamond specifications and retailer prices

From £5,391 GBP
As of November 5, 2026
Save £3,970 GBP (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,264 GBP at NZ Jewellers · As of October 27, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 800603522. Listed at 14 retailers as of November 4, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 800603522
Dimensions7.24 × 7.30 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.24 mm7.30 mm1.50 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 800603522
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A+
Exceptional
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: £11,264 GBP|Low: £5,391 GBP|High: £11,264 GBP|Avg: £7,296 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£5,391 GBP
Retailer 10£5,500 GBP
Retailer 8£6,182 GBP
Retailer 9£6,216 GBP
Retailer 2£6,225 GBP
Retailer 7£6,838 GBP
Retailer 4£7,303 GBP
Retailer 3£8,217 GBP
Retailer 6£9,361 GBP
NZ Jewellers£11,264 GBP

36 data points across 10 retailers

14 retailers£5,391 GBP to £9,361 GBP

A+
Cheapest Retailer
-
£5,391 GBP
A
Retailer 2
-
£5,500 GBP
View
A
Retailer 3
-
£5,821 GBP
View
A
Retailer 4
-
£6,182 GBP
View
A
Retailer 5
-
£6,216 GBP
View
Final sale: no returns
Retailer 6
-
£6,217 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£6,225 GBP
View
Retailer 8
-
£6,735 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£6,838 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£7,303 GBP
View
Retailer 11
-
£7,771 GBP
View
Price last confirmed 10 days ago
A
Retailer 12
-
£8,217 GBP
View
A
Retailer 13
-
£9,361 GBP
View
Most Expensive
NZ Jewellers
67703c63-e12d-4f8f-8f4e-e5a0cd027211 · Oct 27
£11,264 GBP
$15,161 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from £5,391 GBPSave up to £3,970 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
£5,391 GBP