Marquise|Lab Grown|IGI

1.14ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG736505302

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG736505302

Diamond specifications and retailer prices

From £523 GBP
A$1,078 AUD
As of November 2, 2026
24 retailers carry this diamond
Most expensive: £1,578 GBP at Yadav Diamonds · As of October 19, 2026
View at Yadav Diamonds

About this 1.14ct lab-grown marquise diamond

This 1.14ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG736505302 or 736505302. Listed at 24 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.14
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736505302
Dimensions10.82 × 5.46 × 3.41 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm5.46 mm1.14 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736505302
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £523 GBP|Low: £199 GBP|High: £1,217 GBP|Avg: £571 GBP
Retailer 1
Retailer 2
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Retailer 21
October 29, 2026
Retailer 4£208 GBP
Retailer 3£232 GBP
Retailer 9£241 GBP
Retailer 7£257 GBP
Retailer 10£257 GBP
Retailer 13£324 GBP
Retailer 19£369 GBP
Retailer 2£382 GBP
Retailer 18£442 GBP
Retailer 17£484 GBP
Retailer 12£500 GBP
Retailer 1£523 GBP
Retailer 20£575 GBP
Retailer 14£606 GBP
Retailer 15£700 GBP
Retailer 16£716 GBP
Retailer 11£814 GBP
Retailer 5£907 GBP
Retailer 8£914 GBP
Retailer 21£1,153 GBP
Retailer 6£1,179 GBP

33 data points across 21 retailers

24 retailers

Retailer 1
-
£208 GBP
$279 USD
Price last confirmed 14 days ago
Retailer 2
-
£241 GBP
$323 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£254 GBP
$341 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£257 GBP
$345 USD
View
Price last confirmed 16 days ago
Retailer 5
-
£257 GBP
$345 USD
View
Price last confirmed 15 days ago
Retailer 6
-
£324 GBP
$434 USD
View
Price last confirmed 13 days ago
Retailer 7
-
£369 GBP
$495 USD
View
Price last confirmed 13 days ago
Retailer 8
-
£382 GBP
$512 USD
View
Price last confirmed 14 days ago
Retailer 9
-
£418 GBP
$560 USD
View
Price last confirmed 13 days ago
Retailer 10
-
£484 GBP
ZAR 10,485 ZAR
View
Price last confirmed 14 days ago
Retailer 11
-
£500 GBP
View
Price last confirmed 13 days ago
B+
Retailer 12
-
£523 GBP
A$1,078 AUD
View
Retailer 13
-
£575 GBP
$770 USD
View
Price last confirmed 13 days ago
Retailer 14
-
£606 GBP
$813 USD
View
Price last confirmed 16 days ago
Retailer 15
-
£700 GBP
A$1,443 AUD
View
Price last confirmed 14 days ago
Retailer 16
-
£716 GBP
View
Price last confirmed 14 days ago
Retailer 17
-
£907 GBP
A$1,870 AUD
View
Price last confirmed 25 days ago
Retailer 18
-
£914 GBP
$1,225 USD
View
Price last confirmed 16 days ago
Retailer 19
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£1,035 GBP
$1,386 USD
View
Price last confirmed 14 days ago
Retailer 20
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£1,037 GBP
$1,389 USD
View
Price last confirmed 14 days ago
Retailer 21
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£1,075 GBP
$1,441 USD
View
Price last confirmed 15 days ago
Retailer 22
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£1,153 GBP
View
Price last confirmed 18 days ago
Retailer 23
-
£1,179 GBP
$1,580 USD
View
Price last confirmed 14 days ago
Most Expensive
Yadav Diamonds
13135439 · Oct 19
£1,578 GBP
$2,115 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from £523 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+
1.14ct Marquise
£523 GBP