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Round|Natural|IGI

1.50ct L I1 Round Natural Diamond

EX • L/I1 • IGI 764661625

Shape and cutting style on the report: Round brilliant

Certificate IGI 764661625

Diamond specifications and retailer prices

From £1,346 GBP
As of November 4, 2026
Save £2,141 GBP (61%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,486 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 L colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 764661625. Listed at 9 retailers as of November 4, 2026, with prices from £1,346 to £3,486, a £2,141 spread on the same certified stone. NZ Jewellers lists it at £3,486. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
L
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 764661625
Dimensions7.44 × 7.48 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.44 mm7.48 mm1.50 ctL / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 764661625
Side View
Table 61.0%Crown 31.7°Girdle: MED-STKPavilion 40.3°CuletDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,486 GBP|Low: £1,344 GBP|High: £3,683 GBP|Avg: £1,958 GBP|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 2£1,346 GBP
Retailer 4£1,507 GBP
Retailer 5£1,667 GBP
Retailer 7£1,667 GBP
Retailer 6£1,745 GBP
Retailer 9£1,853 GBP
Retailer 8£1,924 GBP
Retailer 3£2,075 GBP
NZ Jewellers£3,486 GBP

43 data points across 9 retailers

9 retailers£1,346 GBP to £3,486 GBP

B+
Cheapest Retailer
-
£1,346 GBP
B+
Retailer 2
-
£1,507 GBP
View
Retailer 3
-
£1,667 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£1,667 GBP
View
B+
Retailer 5
-
£1,745 GBP
View
B+
Retailer 6
-
£1,853 GBP
View
B
Retailer 7
-
£1,924 GBP
View
B
Retailer 8
-
£2,075 GBP
View
Most Expensive
C
NZ Jewellers
d4044fd4-4bc8-4fb0-bd4c-1f68d3426b80 · Nov 5
£3,486 GBP
$4,692 USD
View
8 more retailers have this diamond
Prices start from £1,346 GBPSave up to £2,141 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+
1.50ct Round
£1,346 GBP