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Round|Lab Grown|IGI

1.50ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG756524947

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756524947

Diamond specifications and retailer prices

From £653 GBP
As of November 3, 2026
Save £2,302 GBP (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,956 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756524947 or 756524947. Listed at 21 retailers as of November 3, 2026, with prices from £653 to £2,956, a £2,302 spread on the same certified stone. Brilliant Earth lists it at £2,956. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756524947
Dimensions7.26 × 7.32 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.26 mm7.32 mm1.50 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756524947
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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 3
Current: £2,956 GBP|Low: £653 GBP|High: £2,956 GBP|Avg: £1,602 GBP|+0.3%
Brilliant Earth
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
November 4, 2026
Retailer 14£653 GBP
Retailer 4£758 GBP
Retailer 13£889 GBP
Retailer 6£915 GBP
Retailer 12£1,096 GBP
Retailer 7£1,150 GBP
Retailer 8£1,187 GBP
Retailer 10£1,393 GBP
Retailer 2£1,459 GBP
Retailer 11£1,552 GBP
Retailer 3£2,245 GBP
Retailer 5£2,563 GBP
Retailer 9£2,839 GBP
Brilliant Earth£2,956 GBP

44 data points across 14 retailers

21 retailers£653 GBP to £2,956 GBP

B+
Cheapest Retailer
-
£653 GBP
B+
Retailer 2
-
£710 GBP
View
B+
Retailer 3
-
£758 GBP
View
Retailer 4
-
£758 GBP
View
Price last confirmed 18 days ago
B+
Retailer 5
-
£772 GBP
View
B+
Retailer 6
-
£889 GBP
View
B+
Retailer 7
-
£915 GBP
View
B
Retailer 8
-
£1,093 GBP
View
B
Retailer 9
-
£1,096 GBP
View
B+
Retailer 10
-
£1,150 GBP
View
B+
Retailer 11
-
£1,187 GBP
View
B
Retailer 12
-
£1,393 GBP
View
B
Retailer 13
-
£1,459 GBP
View
B
Retailer 14
-
£1,552 GBP
View
B
Retailer 15
-
£2,130 GBP
View
B
Retailer 16
-
£2,245 GBP
View
B
Retailer 17
-
£2,370 GBP
View
B
Retailer 18
-
£2,563 GBP
View
B
Retailer 19
-
£2,629 GBP
View
B
Retailer 20
-
£2,839 GBP
View
Most Expensive
B
Brilliant Earth
17246867A · Nov 4
£2,956 GBP
$3,990 USD
View
20 more retailers have this diamond
Prices start from £653 GBPSave up to £2,302 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
£653 GBP