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Oval|Lab Grown|IGI

1.18ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG750523533

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750523533

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 30, 2026
Save £1,159 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,381 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.18ct lab-grown oval diamond

This 1.18ct lab-grown oval 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 LG750523533 or 750523533. Listed at 21 retailers as of October 29, 2026, with prices from £222 to £1,381, a £1,159 spread on the same certified stone. Brilliant Earth lists it at £1,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750523533
Dimensions5.99 × 5.99 × 3.57 mm
L/W Ratio1.00
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
5.99 mm5.99 mm1.18 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750523533
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.6%

Caratlytics Score

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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: £1,381 GBP|Low: £144 GBP|High: £1,381 GBP|Avg: £527 GBP
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
Retailer 15
October 30, 2026
Retailer 2£222 GBP
Retailer 3£269 GBP
Retailer 13£321 GBP
Retailer 11£323 GBP
Retailer 8£351 GBP
Retailer 5£408 GBP
Retailer 4£428 GBP
Retailer 10£467 GBP
Retailer 15£550 GBP
Retailer 14£616 GBP
Retailer 6£653 GBP
Retailer 9£769 GBP
Retailer 7£906 GBP
Retailer 12£959 GBP
Brilliant Earth£1,381 GBP

40 data points across 15 retailers

21 retailers£222 GBP to £1,381 GBP

Retailer 1
-
£154 GBP
$206 USD
Price last confirmed 19 days ago
Retailer 2
-
£157 GBP
$211 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£182 GBP
$244 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£191 GBP
$256 USD
View
Price last confirmed 18 days ago
Retailer 5
-
£191 GBP
$256 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£193 GBP
$258 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£222 GBP
$297 USD
View
Final sale: no returns
A
Retailer 8
-
£269 GBP
$360 USD
View
Retailer 9
-
£323 GBP
ZAR 6,986 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£351 GBP
View
A
Retailer 11
-
£408 GBP
$547 USD
View
A
Retailer 12
-
£428 GBP
$573 USD
View
B+
Retailer 13
-
£467 GBP
A$962 AUD
View
B+
Retailer 14
-
£550 GBP
$737 USD
View
Retailer 15
-
£613 GBP
$822 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£616 GBP
$825 USD
View
B+
Retailer 17
-
£653 GBP
$875 USD
View
B+
Retailer 18
-
£769 GBP
View
B
Retailer 19
-
£906 GBP
$1,214 USD
View
Retailer 20
-
£959 GBP
$1,285 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16917290A · Oct 29
£1,381 GBP
$1,850 USD
View
20 more retailers have this diamond
Prices start from £222 GBPSave up to £1,159 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
1.18ct Oval
£222 GBP