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Oval|Lab Grown|IGI

1.21ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG809603069

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809603069

Diamond specifications and retailer prices

From £178 GBP
$237 USD
As of October 28, 2026
Save £1,249 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,427 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct 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 LG809603069 or 809603069. Listed at 21 retailers as of October 28, 2026, with prices from £178 to £1,427, a £1,249 spread on the same certified stone. Brilliant Earth lists it at £1,427. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809603069
Dimensions8.54 × 6.05 × 3.76 mm
L/W Ratio1.41
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
8.54 mm6.05 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809603069
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 28
Current: £1,427 GBP|Low: £128 GBP|High: £1,464 GBP|Avg: £601 GBP|-2.6%
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 6£178 GBP
Retailer 15£278 GBP
Retailer 12£331 GBP
Retailer 9£340 GBP
Retailer 2£366 GBP
Retailer 4£424 GBP
Retailer 3£436 GBP
Retailer 10£483 GBP
Retailer 14£580 GBP
Retailer 13£638 GBP
Retailer 5£675 GBP
Retailer 8£796 GBP
Retailer 7£926 GBP
Retailer 11£1,096 GBP
Brilliant Earth£1,427 GBP

37 data points across 15 retailers

21 retailers£178 GBP to £1,427 GBP

Retailer 1
-
£159 GBP
$212 USD
Price last confirmed 19 days ago
Retailer 2
-
£161 GBP
$215 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
£178 GBP
$237 USD
View
Final sale: no returns
Retailer 4
-
£188 GBP
$250 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£197 GBP
$263 USD
View
Price last confirmed 34 days ago
Retailer 6
-
£197 GBP
$263 USD
View
Price last confirmed 17 days ago
Retailer 7
-
£197 GBP
$263 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
£278 GBP
$370 USD
View
A
Retailer 9
-
£340 GBP
ZAR 7,305 ZAR
View
A
Retailer 10
-
£366 GBP
View
A
Retailer 11
-
£424 GBP
$565 USD
View
A
Retailer 12
-
£436 GBP
$581 USD
View
B+
Retailer 13
-
£483 GBP
A$990 AUD
View
B+
Retailer 14
-
£580 GBP
$773 USD
View
Retailer 15
-
£635 GBP
$846 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
£638 GBP
$849 USD
View
B+
Retailer 17
-
£675 GBP
$899 USD
View
B+
Retailer 18
-
£796 GBP
View
B
Retailer 19
-
£926 GBP
$1,233 USD
View
Retailer 20
-
£1,096 GBP
$1,460 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20535723A · Oct 29
£1,427 GBP
$1,900 USD
View
20 more retailers have this diamond
Prices start from £178 GBPSave up to £1,249 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
1.21ct Oval
£178 GBP