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Round|Lab Grown|IGI

1.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818659732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818659732

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of October 29, 2026
Save £1,278 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,504 GBP at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659732 or 818659732. Listed at 18 retailers as of October 25, 2026, with prices from £225 to £1,504, a £1,278 spread on the same certified stone. Rare Carat lists it at £1,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659732
Dimensions7.29 × 7.22 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.29 mm7.22 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659732
Side View
Table 56.0%Crown 35.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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: Oct 29
Current: £1,504 GBP|Low: £186 GBP|High: £1,717 GBP|Avg: £744 GBP|-1.7%
Rare Carat
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
October 30, 2026
Retailer 5£253 GBP
Retailer 11£396 GBP
Retailer 9£456 GBP
Retailer 3£458 GBP
Retailer 10£481 GBP
Retailer 7£496 GBP
Retailer 4£684 GBP
Retailer 12£749 GBP
Retailer 14£860 GBP
Retailer 13£894 GBP
Retailer 6£935 GBP
Retailer 8£1,128 GBP
Retailer 2£1,493 GBP
Rare Carat£1,504 GBP

40 data points across 14 retailers

18 retailers£225 GBP to £1,504 GBP

A
Cheapest Retailer
-
£225 GBP
$302 USD
A
Retailer 2
-
£253 GBP
$339 USD
View
Final sale: no returns
A
Retailer 3
-
£280 GBP
$375 USD
View
A
Retailer 4
-
£280 GBP
$375 USD
View
A
Retailer 5
-
£396 GBP
$530 USD
View
A
Retailer 6
-
£456 GBP
€582 EUR
View
A
Retailer 7
-
£458 GBP
$613 USD
View
A
Retailer 8
-
£481 GBP
ZAR 10,409 ZAR
View
A
Retailer 9
-
£496 GBP
View
A
Retailer 10
-
£684 GBP
$917 USD
View
B+
Retailer 11
-
£749 GBP
$1,004 USD
View
B+
Retailer 12
-
£860 GBP
$1,152 USD
View
B+
Retailer 13
-
£894 GBP
SGD 1,619 SGD
View
B+
Retailer 14
-
£899 GBP
$1,205 USD
View
B+
Retailer 15
-
£935 GBP
$1,253 USD
View
B+
Retailer 16
-
£1,128 GBP
View
B
Retailer 17
-
£1,493 GBP
$2,000 USD
View
Most Expensive
B
Rare Carat
PD-211736 · Oct 25
£1,504 GBP
$2,015 USD
View
17 more retailers have this diamond
Prices start from £225 GBPSave up to £1,278 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
1.45ct Round
£225 GBP