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Oval|Lab Grown|IGI

1.14ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG771642419

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771642419

Diamond specifications and retailer prices

From £277 GBP
$371 USD
As of October 30, 2026
Save £590 GBP (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £867 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.14ct lab-grown oval diamond

This 1.14ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG771642419 or 771642419. Listed at 14 retailers as of October 25, 2026, with prices from £277 to £867, a £590 spread on the same certified stone. MOH London lists it at £867. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.14
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771642419
Dimensions9.49 × 5.64 × 3.41 mm
L/W Ratio1.68
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm5.64 mm1.14 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771642419
Side View
Table 59.0%Crown 33°Girdle: THN-MEDPavilion 39.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £867 GBP|Low: £185 GBP|High: £877 GBP|Avg: £402 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£185 GBP
Retailer 4£210 GBP
Retailer 12£277 GBP
Retailer 7£322 GBP
Retailer 6£324 GBP
Retailer 2£340 GBP
Retailer 10£366 GBP
Retailer 8£414 GBP
Retailer 9£463 GBP
Retailer 5£475 GBP
Retailer 3£603 GBP
MOH London£867 GBP

41 data points across 12 retailers

14 retailers£277 GBP to £867 GBP

Retailer 1
-
£149 GBP
$200 USD
Price last confirmed 38 days ago
Retailer 2
-
£173 GBP
$232 USD
View
Price last confirmed 36 days ago
Retailer 3
-
£183 GBP
$245 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£210 GBP
HK$2,200 HKD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£277 GBP
$371 USD
View
A
Retailer 6
-
£322 GBP
$431 USD
View
A
Retailer 7
-
£340 GBP
View
B+
Retailer 8
-
£366 GBP
$490 USD
View
Retailer 9
-
£414 GBP
$555 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
£463 GBP
$620 USD
View
B
Retailer 11
-
£475 GBP
$636 USD
View
B
Retailer 12
-
£597 GBP
$800 USD
View
Retailer 13
-
£603 GBP
SGD 1,092 SGD
View
Price last confirmed 23 days ago
Most Expensive
B
MOH London
LG771642419 · Oct 25
£867 GBP
View
13 more retailers have this diamond
Prices start from £277 GBPSave up to £590 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
1.14ct Oval
£277 GBP