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Round|Lab Grown|IGI

1.40ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG781619157

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781619157

Diamond specifications and retailer prices

From £772 GBP
$1,034 USD
As of October 29, 2026
Save £2,352 GBP (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,124 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.4ct lab-grown round diamond

This 1.4ct 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 LG781619157 or 781619157. Listed at 20 retailers as of October 29, 2026, with prices from £772 to £3,124, a £2,352 spread on the same certified stone. Taylor and Hart lists it at £3,124. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781619157
Dimensions7.17 × 7.21 × 4.40 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
7.17 mm7.21 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781619157
Side View
Table 55.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

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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: Oct 29
Current: £895 GBP|Low: £743 GBP|High: £3,131 GBP|Avg: £1,663 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 2£772 GBP
Retailer 15£840 GBP
Retailer 3£864 GBP
Retailer 1£895 GBP
Retailer 11£897 GBP
Retailer 9£1,026 GBP
Retailer 19£1,032 GBP
Retailer 14£1,042 GBP
Retailer 8£1,270 GBP
Retailer 16£1,280 GBP
Retailer 18£1,291 GBP
Retailer 7£1,581 GBP
Retailer 5£1,646 GBP
Retailer 12£1,678 GBP
Retailer 13£1,705 GBP
Retailer 10£2,493 GBP
Retailer 17£2,877 GBP
Retailer 6£2,999 GBP
Retailer 4£3,052 GBP
Taylor and Hart£3,124 GBP

35 data points across 20 retailers

20 retailers£772 GBP to £3,124 GBP

B+
Cheapest Retailer
-
£772 GBP
$1,034 USD
B+
Retailer 2
-
£840 GBP
$1,125 USD
View
B+
Retailer 3
-
£864 GBP
$1,158 USD
View
Final sale: no returns
B+
Retailer 4
-
£895 GBP
$1,199 USD
View
Retailer 5
-
£897 GBP
$1,202 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£1,026 GBP
$1,375 USD
View
B+
Retailer 7
-
£1,032 GBP
HK$10,800 HKD
View
B+
Retailer 8
-
£1,042 GBP
$1,396 USD
View
B
Retailer 9
-
£1,270 GBP
A$2,618 AUD
View
B+
Retailer 10
-
£1,280 GBP
$1,715 USD
View
B+
Retailer 11
-
£1,291 GBP
View
B
Retailer 12
-
£1,581 GBP
€2,017 EUR
View
B+
Retailer 13
-
£1,646 GBP
ZAR 35,620 ZAR
View
B
Retailer 14
-
£1,678 GBP
$2,248 USD
View
B
Retailer 15
-
£1,705 GBP
$2,285 USD
View
B
Retailer 16
-
£2,493 GBP
$3,340 USD
View
B
Retailer 17
-
£2,877 GBP
$3,855 USD
View
B
Retailer 18
-
£2,999 GBP
SGD 5,431 SGD
View
B
Retailer 19
-
£3,052 GBP
View
Most Expensive
B
Taylor and Hart
M0N37HE · Oct 30
£3,124 GBP
$4,186 USD
View
19 more retailers have this diamond
Prices start from £772 GBPSave up to £2,352 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+
1.40ct Round
£772 GBP