Oval|Lab Grown|IGI

1.00ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG818613704

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818613704

Diamond specifications and retailer prices

From £1,111 GBP
$1,480 USD
As of October 29, 2026
16 retailers carry this diamond
Most expensive: £1,111 GBP at Brilliant Earth
View at Brilliant Earth

About this 1ct lab-grown oval diamond

This 1ct 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 LG818613704 or 818613704. Listed at 16 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818613704
Dimensions7.82 × 5.73 × 3.64 mm
L/W Ratio1.36
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
7.82 mm5.73 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818613704
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £1,111 GBP|Low: £152 GBP|High: £1,735 GBP|Avg: £439 GBP|-3.3%
Brilliant Earth
Retailer 2
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Retailer 9
Retailer 10
Retailer 11
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Retailer 13
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Retailer 17
October 12, 2026
Retailer 13£158 GBP
Retailer 17£176 GBP
Retailer 16£183 GBP
Retailer 11£195 GBP
Retailer 14£195 GBP
Retailer 12£209 GBP
Retailer 9£264 GBP
Retailer 4£317 GBP
Retailer 5£336 GBP
Retailer 10£353 GBP
Retailer 8£428 GBP
Retailer 2£431 GBP
Retailer 15£629 GBP
Retailer 6£751 GBP
Retailer 7£793 GBP
Retailer 3£920 GBP
Brilliant Earth£1,111 GBP

27 data points across 17 retailers

16 retailers

Retailer 1
-
£158 GBP
$210 USD
Price last confirmed 19 days ago
Retailer 2
-
£183 GBP
$244 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£195 GBP
$260 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£195 GBP
$260 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£209 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
£264 GBP
$352 USD
View
Price last confirmed 17 days ago
Retailer 7
-
£336 GBP
ZAR 7,230 ZAR
View
Price last confirmed 21 days ago
Retailer 8
-
£353 GBP
View
Price last confirmed 17 days ago
Retailer 9
-
£431 GBP
$574 USD
View
Price last confirmed 17 days ago
Retailer 10
-
£531 GBP
SGD 956 SGD
View
Price last confirmed 17 days ago
Retailer 11
-
£629 GBP
$837 USD
View
Price last confirmed 19 days ago
Retailer 12
-
£668 GBP
$890 USD
View
Price last confirmed 18 days ago
Retailer 13
-
£751 GBP
$1,000 USD
View
Price last confirmed 24 days ago
Retailer 14
-
£793 GBP
View
Price last confirmed 18 days ago
Retailer 15
-
£920 GBP
$1,226 USD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
20726854A · Oct 29
£1,111 GBP
$1,480 USD
View
15 more retailers have this diamond

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
1.00ct Oval
£1,111 GBP