CaratHunter
Plans
Round|Natural|IGI

1.50ct I IF Round Natural Diamond

EX • I/IF • IGI 816642568

Shape and cutting style on the report: Round brilliant

Certificate IGI 816642568

Diamond specifications and retailer prices

From £2,758 GBP
As of November 5, 2026
Save £3,612 GBP (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,500 GBP at NZ Jewellers · As of September 1, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 816642568. Listed at 21 retailers as of November 5, 2026, with a 131% 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
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 816642568
Dimensions7.19 × 7.24 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.19 mm7.24 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 816642568
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

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: £6,370 GBP|Low: £2,758 GBP|High: £6,492 GBP|Avg: £4,026 GBP|+0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 14£2,758 GBP
Retailer 17£3,189 GBP
Retailer 16£3,251 GBP
Retailer 3£3,375 GBP
Retailer 2£3,646 GBP
Retailer 5£3,656 GBP
Retailer 15£3,656 GBP
Retailer 9£3,699 GBP
Retailer 10£3,726 GBP
Retailer 8£3,797 GBP
Retailer 7£3,803 GBP
Retailer 12£3,882 GBP
Retailer 4£3,901 GBP
Retailer 13£4,038 GBP
Retailer 6£4,219 GBP
Retailer 11£4,461 GBP
Retailer 18£5,807 GBP
NZ Jewellers£6,370 GBP

16 data points across 18 retailers

21 retailers£2,758 GBP to £6,370 GBP

A
Cheapest Retailer
-
£2,758 GBP
A
Retailer 2
-
£3,189 GBP
View
A
Retailer 3
-
£3,251 GBP
View
A
Retailer 4
-
£3,375 GBP
View
Final sale: no returns
A
Retailer 5
-
£3,646 GBP
View
A
Retailer 6
-
£3,656 GBP
View
A
Retailer 7
-
£3,656 GBP
View
A
Retailer 8
-
£3,699 GBP
View
Retailer 9
-
£3,726 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£3,797 GBP
View
A
Retailer 11
-
£3,803 GBP
View
Retailer 12
-
£3,817 GBP
View
Price last confirmed 60 days ago
A
Retailer 13
-
£3,882 GBP
View
A
Retailer 14
-
£3,901 GBP
View
A
Retailer 15
-
£4,038 GBP
View
A
Retailer 16
-
£4,219 GBP
View
Retailer 17
-
£4,404 GBP
View
Price last confirmed 59 days ago
A
Retailer 18
-
£4,461 GBP
View
A
Retailer 19
-
£5,807 GBP
View
B+
Retailer 20
-
£6,370 GBP
View
Most Expensive
NZ Jewellers
bec98ea7-d26e-46fd-af54-05aae79d1fc8 · Sep 1
£6,500 GBP
$8,749 USD
View
Price last confirmed 65 days ago
20 more retailers have this diamond
Prices start from £2,758 GBPSave up to £3,612 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
£2,758 GBP